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<blockquote data-quote="FreakyJ" data-source="post: 681466" data-attributes="member: 106003">AW: Skinning contest: One month to goFirst of all thanks for your detailed help <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite2" alt=";)" title="Wink&nbsp; &nbsp; ;)" loading="lazy" data-shortname=";)" />At first I tried to understand the ResourceWrapper, but I still don't get the point oOIn the file ShowPlaylist.xaml you are using the following line (for example):[code]&lt;ResourceWrapper x:Key=&quot;Contents_Element&quot;&gt;[/code]I I don't find any reference in a .cs file to this &quot;resource&quot;... Also there is no reference in any .xaml file to &quot;Contents_Element&quot;.I think your example above make sense... If I'm right the example above should work like this (the &lt;SomeUIElement&gt; is maybe a bit confusing.., but I know that it is a placeholder for an element^^ But it can destroy my theory xD):[code]&lt;SomeUIElement&gt;&nbsp; &lt;Resources&gt;&nbsp; &nbsp; &lt;ResourceWrapper x:Key=&quot;BlackColor&quot; Resource=&quot;#FF000000&quot;/&gt;&nbsp; &lt;/Resources&gt;&lt;/SomeUIElement&gt;&lt;label color=&quot;BlackColor&quot; content=&quot;string&quot; /&gt;[/code]I didn't tried it yet, just tried to understand it in theory, because I'm still struggling at a more basic point and think I should understand this first before I will come to this back, but later on more on my little second problem^^But what is the exact function of the ResourceWrapper in the ShowPlaylist.xaml file? Maybe I get the point if you could explain it <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite2" alt=";)" title="Wink&nbsp; &nbsp; ;)" loading="lazy" data-shortname=";)" />Sure, you told me that I can use it if there is nor xml element like &lt;string&gt;, but why do you need it in the ShowPlaylist.xaml?! You have a &lt;grid&gt; element, which is &quot;wrapping&quot; all the stuff...//------------------Now to my little second problem, which is a bit more basic^^First of all my xaml file:[code]&lt;DockPanel Name=&quot;FastParticleBackground.Window1&quot;xmlns=&quot;www.team-mediaportal.com/2008/mpf/directx&quot;xmlns:x=&quot;http://schemas.microsoft.com/winfx/2006/xaml&quot;Context=&quot;{Model Id=5726DA5A-70D5-458f-AF67-611293D97912}&quot; LastChildFill=&quot;False&quot;&gt;&nbsp; &nbsp; &lt;Grid&gt;&nbsp; &nbsp; &nbsp; &nbsp; &lt;Grid.Background&gt;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &lt;RadialGradientBrush Center=&quot;0.54326,0.45465&quot; RadiusX=&quot;0.602049&quot; RadiusY=&quot;1.02049&quot; GradientOrigin=&quot;0.4326,0.45465&quot;&gt;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &lt;GradientStop Color=&quot;#57ffe6&quot; Offset=&quot;0&quot;/&gt;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &lt;GradientStop Color=&quot;#008ee7&quot; Offset=&quot;0.718518495559692&quot;/&gt;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &lt;GradientStop Color=&quot;#2c0072&quot; Offset=&quot;1&quot;/&gt;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &lt;/RadialGradientBrush&gt;&nbsp; &nbsp; &nbsp; &nbsp; &lt;/Grid.Background&gt;&nbsp; &nbsp; &nbsp; &nbsp; &lt;Canvas x:Name=&quot;ParticleHost&quot;&gt;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &lt;Ellipse RenderTransformOrigin=&quot;0.5,0.5&quot; Width=&quot;5&quot; Height=&quot;5&quot; Fill=&quot;White&quot;&gt;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &lt;Ellipse.RenderTransform&gt;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &lt;TransformGroup&gt;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &lt;TranslateTransform X=&quot;{Binding TranslateTransform0_X}&quot; Y=&quot;{Binding TranslateTransform0_Y}&quot;/&gt;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &lt;/TransformGroup&gt;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &lt;/Ellipse.RenderTransform&gt;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &lt;/Ellipse&gt;&nbsp; &nbsp; &nbsp; &nbsp; &lt;/Canvas&gt;&nbsp; &nbsp; &nbsp; &nbsp; &lt;Label Content=&quot;{Binding HelloString}&quot; Margin=&quot;10&quot;&nbsp; &nbsp; &nbsp; &nbsp; HorizontalAlignment=&quot;Left&quot; VerticalAlignment=&quot;Center&quot;/&gt;&nbsp; &nbsp; &lt;/Grid&gt;&lt;/DockPanel&gt;[/code]the model.cs (still ugly stuff, I know, but I'm still in the try and error state^^ so there is no chance of a clean code xD)[code]#region Copyright (C) 2007-2010 Team MediaPortal/*&nbsp; &nbsp; Copyright (C) 2007-2010 Team MediaPortal&nbsp; &nbsp; https://www.team-mediaportal.com&nbsp; &nbsp; This file is part of MediaPortal 2&nbsp; &nbsp; MediaPortal 2 is free software: you can redistribute it and/or modify&nbsp; &nbsp; it under the terms of the GNU General Public License as published by&nbsp; &nbsp; the Free Software Foundation, either version 3 of the License, or&nbsp; &nbsp; (at your option) any later version.&nbsp; &nbsp; MediaPortal 2 is distributed in the hope that it will be useful,&nbsp; &nbsp; but WITHOUT ANY WARRANTY; without even the implied warranty of&nbsp; &nbsp; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.&nbsp; See the&nbsp; &nbsp; GNU General Public License for more details.&nbsp; &nbsp; You should have received a copy of the GNU General Public License&nbsp; &nbsp; along with MediaPortal 2.&nbsp; If not, see &lt;http://www.gnu.org/licenses/&gt;.*/#endregionusing MediaPortal.Core.General;using MediaPortal.UI.Presentation.Models;using MediaPortal.UI.SkinEngine.MpfElements;using MediaPortal.UI.SkinEngine.SkinManagement;using MediaPortal.UI.SkinEngine.Xaml;using MediaPortal.UI.SkinEngine.Xaml.Interfaces;using MediaPortal.UI.SkinEngine.Controls.Visuals;using MediaPortal.UI.SkinEngine.MpfElements.Resources;using System;using System.Collections.Generic;using System.Linq;using System.Text;using System.Windows;using System.Windows.Data;using System.Windows.Documents;using System.Windows.Input;using System.Windows.Media;using System.Windows.Media.Imaging;using System.Windows.Navigation;using System.Windows.Threading;//using System.Windows.Media;using System.Windows.Media.Media3D;using System.Windows.Media.Effects;using System.Windows.Shapes;using System.Collections;using System;using System.Windows;namespace Models.HelloWorld{&nbsp; /// &lt;summary&gt;&nbsp; /// Example for a simple model.&nbsp; /// The screenfile to this model is located at:&nbsp; /// /Skins/default/screens/hello_world.xaml&nbsp; /// &lt;/summary&gt;&nbsp; /// &lt;remarks&gt;&nbsp; /// &lt;para&gt;&nbsp; /// Models are used for providing data from the system to the skin and for executing actions (commands)&nbsp; /// which are triggered by the Skin, for example by clicking a button.&nbsp; /// &lt;/para&gt;&nbsp; /// &lt;para&gt;&nbsp; /// All public properties can be data-bound by the skin, for example the &lt;see cref=&quot;HelloString&quot;/&gt; property.&nbsp; /// Note that properties, which are updated by the model and whose new value should be propagated to the&nbsp; /// skin, must be backed by an instance of &lt;see cref=&quot;AbstractProperty&quot;/&gt;. That instance must be made available&nbsp; /// to the skin engine by publishing it under the same name as the actual property plus &quot;Property&quot;, see for example&nbsp; /// &lt;see cref=&quot;HelloStringProperty&quot;/&gt;.&nbsp; /// &lt;/para&gt;&nbsp; /// &lt;para&gt;&nbsp; /// You can also consider to implement the interface &lt;see cref=&quot;IWorkflowModel&quot;/&gt;, which makes it&nbsp; /// possible to attend the screenflow = workflow of the user session. When that interface is implemented and this&nbsp; /// model is registered in a workflow state as backing workflow model, the model will get notifications when the&nbsp; /// GUI navigation switches to or away from its workflow state.&nbsp; /// &lt;/para&gt;&nbsp; /// &lt;para&gt;&nbsp; /// To make an UI model known by the system (and thus loadable by the skin), it is necessary to register it&nbsp; /// in the &lt;c&gt;plugin.xml&lt;/c&gt; file.&nbsp; /// &lt;/para&gt;&nbsp; /// &lt;/remarks&gt;&nbsp; public class Model&nbsp; {&nbsp; &nbsp; // ListItem&nbsp; &nbsp; public List&lt;Particle&gt; particleList = new List&lt;Particle&gt;();&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; /// &lt;summary&gt;&nbsp; &nbsp; /// This is a localized string resource. Localized string resources always look like this:&nbsp; &nbsp; /// &lt;example&gt;&nbsp; &nbsp; /// [Section.Name]&nbsp; &nbsp; /// &lt;/example&gt;&nbsp; &nbsp; /// Localized resources must be present at least in the english language, as this is the default.&nbsp; &nbsp; /// In the english language file of this hello world plugin, you'll find the translation of this string.&nbsp; &nbsp; /// The language file is located at: /Language/strings_en.xml&nbsp; &nbsp; /// &lt;/summary&gt;&nbsp; &nbsp; protected const string HELLOWORLD_RESOURCE = &quot;[HelloWorld.HelloWorldText]&quot;;&nbsp; &nbsp; protected const string TranslateTransform0_X_RESOURCE = &quot;20&quot;;&nbsp; &nbsp; protected const string TranslateTransform0_Y_RESOURCE = &quot;20&quot;;&nbsp; &nbsp; /// &lt;summary&gt;&nbsp; &nbsp; /// Another localized string resource.&nbsp; &nbsp; /// &lt;/summary&gt;&nbsp; &nbsp; protected const string COMMAND_TRIGGERED_RESOURCE = &quot;[HelloWorld.ButtonTextCommandExecuted]&quot;;&nbsp; &nbsp; /// &lt;summary&gt;&nbsp; &nbsp; /// This property holds a string that we will modify in this tutorial.&nbsp; &nbsp; /// &lt;/summary&gt;&nbsp; &nbsp; private readonly AbstractProperty _helloStringProperty;&nbsp; &nbsp; private readonly AbstractProperty _TranslateTransform0_XProperty;&nbsp; &nbsp; private readonly AbstractProperty _TranslateTransform0_YProperty;&nbsp; &nbsp; /// &lt;summary&gt;&nbsp; &nbsp; /// Constructor... this one is called by the WorkflowManager when this model is loaded due to a screen reference.&nbsp; &nbsp; /// &lt;/summary&gt;&nbsp; &nbsp; public Model()&nbsp; &nbsp; {&nbsp; &nbsp; &nbsp; // In models, properties will always be WProperty instances. When using SProperties for screen databinding,&nbsp; &nbsp; &nbsp; // the system might run into memory leaks.&nbsp; &nbsp; &nbsp; _helloStringProperty = new WProperty(typeof(string), HELLOWORLD_RESOURCE);&nbsp; &nbsp; &nbsp; _TranslateTransform0_XProperty = new WProperty(typeof(string), TranslateTransform0_X_RESOURCE);&nbsp; &nbsp; &nbsp; _TranslateTransform0_YProperty = new WProperty(typeof(string), TranslateTransform0_Y_RESOURCE);&nbsp; &nbsp; &nbsp; //_ParticleHost = new WProperty(typeof(string), ParticleHost);&nbsp; &nbsp; &nbsp; Window_Loaded();&nbsp; &nbsp; }&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; /// &lt;summary&gt;&nbsp; &nbsp; /// This sample property will be accessed by the hello_world screen. Note that the data type must be the same&nbsp; &nbsp; /// as in the instantiation of our backing property &lt;see cref=&quot;_helloStringProperty&quot;/&gt;.&nbsp; &nbsp; /// &lt;/summary&gt;&nbsp; &nbsp; public string HelloString&nbsp; &nbsp; {&nbsp; &nbsp; &nbsp; get { return (string) _helloStringProperty.GetValue(); }&nbsp; &nbsp; &nbsp; set { _helloStringProperty.SetValue(value); }&nbsp; &nbsp; }&nbsp; &nbsp; public string TranslateTransform0_X&nbsp; &nbsp; {&nbsp; &nbsp; &nbsp; &nbsp; get { return (string)_TranslateTransform0_XProperty.GetValue(); }&nbsp; &nbsp; &nbsp; &nbsp; set { _TranslateTransform0_XProperty.SetValue(value); }&nbsp; &nbsp; }&nbsp; &nbsp; public string TranslateTransform0_Y&nbsp; &nbsp; {&nbsp; &nbsp; &nbsp; &nbsp; get { return (string)_TranslateTransform0_YProperty.GetValue(); }&nbsp; &nbsp; &nbsp; &nbsp; set { _TranslateTransform0_YProperty.SetValue(value); }&nbsp; &nbsp; }&nbsp; &nbsp; /// &lt;summary&gt;&nbsp; &nbsp; /// This is the dependency property for our sample string. It is needed to propagate changes to the skin.&nbsp; &nbsp; /// &lt;/summary&gt;&nbsp; &nbsp; /// &lt;remarks&gt;&nbsp; &nbsp; /// &lt;para&gt;&nbsp; &nbsp; /// If the screen databinds to the &lt;see cref=&quot;HelloString&quot;/&gt; property in a binding mode which will propagate data&nbsp; &nbsp; /// changes from the model to the skin, the SkinEngine will attach a change handler to this property.&nbsp; &nbsp; /// &lt;/para&gt;&nbsp; &nbsp; /// &lt;para&gt;&nbsp; &nbsp; /// In other words: Every property &lt;c&gt;Xyz&lt;/c&gt;, which should be able to be attached to, must be present also as&nbsp; &nbsp; /// &lt;c&gt;XyzProperty&lt;/c&gt;.&nbsp; &nbsp; /// Only if &lt;c&gt;XyzProperty&lt;/c&gt; is present in the model, value changes can be propagated to the skin.&nbsp; &nbsp; /// &lt;/remarks&gt;&nbsp; &nbsp; public AbstractProperty HelloStringProperty&nbsp; &nbsp; {&nbsp; &nbsp; &nbsp; get { return _helloStringProperty; }&nbsp; &nbsp; }&nbsp; &nbsp; public AbstractProperty TranslateTransform0_XProperty&nbsp; &nbsp; {&nbsp; &nbsp; &nbsp; &nbsp; get { return _TranslateTransform0_XProperty; }&nbsp; &nbsp; }&nbsp; &nbsp; public AbstractProperty TranslateTransform0_YProperty&nbsp; &nbsp; {&nbsp; &nbsp; &nbsp; &nbsp; get { return _TranslateTransform0_YProperty; }&nbsp; &nbsp; }&nbsp; &nbsp; /// &lt;summary&gt;&nbsp; &nbsp; /// Method which will be called from our screen. We will change the value of our HelloWorld string here.&nbsp; &nbsp; /// &lt;/summary&gt;&nbsp; &nbsp; public void ChangeHelloWorldString()&nbsp; &nbsp; {&nbsp; &nbsp; &nbsp; HelloString = COMMAND_TRIGGERED_RESOURCE;&nbsp; &nbsp; }&nbsp; &nbsp; DispatcherTimer timer = new DispatcherTimer();&nbsp; &nbsp; Random random = new Random(DateTime.Now.Millisecond);&nbsp; &nbsp; // Some general values &nbsp; &nbsp; double MaxSize = 30;&nbsp; &nbsp; double NumberOfParticles = 25;&nbsp; &nbsp; int Width = 800;&nbsp; &nbsp; int Height = 600;&nbsp; &nbsp; /*double VerticalVelocity = 0.4;&nbsp; &nbsp; double HorizontalVelocity = -2.2;&nbsp; &nbsp; double elapsed = 0.1;*/&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; public void Window_Loaded()&nbsp; &nbsp; {&nbsp; &nbsp; &nbsp; &nbsp; for (int i = 0; i &lt; NumberOfParticles; i++)&nbsp; &nbsp; &nbsp; &nbsp; {&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; CreateParticle();&nbsp; &nbsp; &nbsp; &nbsp; }&nbsp; &nbsp; &nbsp; &nbsp; timer.Interval = TimeSpan.FromMilliseconds(33.33);&nbsp; &nbsp; &nbsp; &nbsp; timer.Tick += new EventHandler(timer_Tick);&nbsp; &nbsp; &nbsp; &nbsp; timer.Start();&nbsp; &nbsp; &nbsp; &nbsp; HelloString = &quot;EXECUTED&quot;;&nbsp; &nbsp; }&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; void timer_Tick(object sender, EventArgs e)&nbsp; &nbsp; {&nbsp; &nbsp; &nbsp; &nbsp; // I control &quot;particle&quot; from their ellipse representation &nbsp; &nbsp; &nbsp; &nbsp; //foreach (Ellipse ellipse in ParticleHost.Children)&nbsp; &nbsp; &nbsp; &nbsp; //{&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; /*var p = ellipse.Tag as Particle;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; var t = ellipse.RenderTransform as TranslateTransform;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; // Update location &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; t.X += p.Velocity.X;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; t.Y += p.Velocity.Y;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; // Check if the particle is too high &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; if (t.Y &lt; -MaxSize)&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; {&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; t.Y = Height + MaxSize;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; }&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; // Check if the particle has gone outside &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; if (t.X &lt; -MaxSize || t.X &gt; Width + MaxSize)&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; {&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; t.X = random.NextDouble() * Width;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; t.Y = Height + MaxSize;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; }&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; // Brush &amp; Effect &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; //ellipse.Fill = p.Brush;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; ellipse.Fill = (Brush)Brushes.White.Clone();&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; // Comment this line to deactivate the Blur Effect &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; ellipse.Effect = p.Blur;*/&nbsp; &nbsp; &nbsp; &nbsp; //}&nbsp; &nbsp; &nbsp; &nbsp; //----------------------------&nbsp; &nbsp; &nbsp; &nbsp; foreach (Particle particle in particleList)&nbsp; &nbsp; &nbsp; &nbsp; {&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; TranslateTransform0_X = (ToDouble(TranslateTransform0_X) + particle.Velocity.X).ToString();&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; TranslateTransform0_Y = (ToDouble(TranslateTransform0_Y) + particle.Velocity.Y).ToString();&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; HelloString = &quot;Transform X to &quot; + TranslateTransform0_X;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; // Check if the particle is too high &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; if (ToDouble(TranslateTransform0_Y) &lt; -MaxSize)&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; {&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; TranslateTransform0_Y = (Height + MaxSize).ToString();&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; }&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; // Check if the particle has gone outside &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; if (ToDouble(TranslateTransform0_X) &lt; -MaxSize || ToDouble(TranslateTransform0_X) &gt; Width + MaxSize)&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; {&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; TranslateTransform0_X = (random.NextDouble() * Width).ToString();&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; TranslateTransform0_Y = (Height + MaxSize).ToString();&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; }&nbsp; &nbsp; &nbsp; &nbsp; }&nbsp; &nbsp; }&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; private void CreateParticle()&nbsp; &nbsp; {&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; // Brush (White) &nbsp; &nbsp; &nbsp; &nbsp; var brush = System.Windows.Media.Brushes.White.Clone();&nbsp; &nbsp; &nbsp; &nbsp; // Opacity (0.2 &lt;= 1) &nbsp; &nbsp; &nbsp; &nbsp; brush.Opacity = 0.2 + random.NextDouble() * 0.8;&nbsp; &nbsp; &nbsp; &nbsp; // Blur effect &nbsp; &nbsp; &nbsp; &nbsp; var blur = new BlurEffect();&nbsp; &nbsp; &nbsp; &nbsp; blur.RenderingBias = RenderingBias.Performance;&nbsp; &nbsp; &nbsp; &nbsp; // Radius (1 &lt;= 40) &nbsp; &nbsp; &nbsp; &nbsp; blur.Radius = 1 + random.NextDouble() * 39;&nbsp; &nbsp; &nbsp; &nbsp; // Ellipse &nbsp; &nbsp; &nbsp; &nbsp; var ellipse = new Ellipse();&nbsp; &nbsp; &nbsp; &nbsp; // Size (from 15% to 95% of MaxSize) &nbsp; &nbsp; &nbsp; &nbsp; ellipse.Width = ellipse.Height = MaxSize * 0.15 + random.NextDouble() * MaxSize * 0.8;&nbsp; &nbsp; &nbsp; &nbsp; // Starting location of the ellipse (anywhere in the scree&nbsp; &nbsp; &nbsp; &nbsp; // extraTags adden&nbsp; &nbsp; &nbsp; &nbsp; var p = new Particle();&nbsp; &nbsp; &nbsp; &nbsp; // Speed&nbsp; &nbsp; &nbsp; &nbsp; double speed = RandomWithVariance(20, 15);&nbsp; &nbsp; &nbsp; &nbsp; double velocityMultiplier = (random.NextDouble() + 0.25) * speed;&nbsp; &nbsp; &nbsp; &nbsp; double vX = (1.0 - (random.NextDouble() * 2.0)) * velocityMultiplier;&nbsp; &nbsp; &nbsp; &nbsp; // Only going from the bottom of the screen to the top (for now)&nbsp; &nbsp; &nbsp; &nbsp; double vY = -Math.Abs((1.0 - (random.NextDouble() * 2.0)) * velocityMultiplier);&nbsp; &nbsp; &nbsp; &nbsp; p.Velocity = p.Velocity = new Point(vX, vY);&nbsp; &nbsp; &nbsp; &nbsp; p.Blur = blur;&nbsp; &nbsp; &nbsp; &nbsp; ellipse.Tag = p;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; //this.ParticleHost.Children.Add(ellipse);&nbsp; &nbsp; &nbsp; &nbsp; TranslateTransform t;&nbsp; &nbsp; &nbsp; &nbsp; t = new TranslateTransform();&nbsp; &nbsp; &nbsp; &nbsp; ellipse.RenderTransform = t;&nbsp; &nbsp; &nbsp; &nbsp; ellipse.RenderTransformOrigin = new Point(0.5, 0.5);&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; //t.X = RandomWithVariance(Width / 2, Width / 2);&nbsp; &nbsp; &nbsp; &nbsp; //t.Y = Height;&nbsp; &nbsp; &nbsp; &nbsp; //----------------------------------------&nbsp; &nbsp; &nbsp; &nbsp; // add particle to list&nbsp; &nbsp; &nbsp; &nbsp; particleList.Add(p);&nbsp; &nbsp; &nbsp; &nbsp; // set position&nbsp; &nbsp; &nbsp; &nbsp; TranslateTransform0_X = RandomWithVariance(Width / 2, Width / 2).ToString();&nbsp; &nbsp; &nbsp; &nbsp; TranslateTransform0_Y = Height.ToString();&nbsp; &nbsp; }&nbsp; &nbsp; private double RandomWithVariance(double midvalue, double variance)&nbsp; &nbsp; {&nbsp; &nbsp; &nbsp; &nbsp; double min = Math.Max(midvalue - (variance / 2), 0);&nbsp; &nbsp; &nbsp; &nbsp; double max = midvalue + (variance / 2);&nbsp; &nbsp; &nbsp; &nbsp; double value = min + ((max - min) * random.NextDouble());&nbsp; &nbsp; &nbsp; &nbsp; return value;&nbsp; &nbsp; }&nbsp; &nbsp; &nbsp; #region helper functions&nbsp; &nbsp; /// &lt;summary&gt;&nbsp; &nbsp; /// Wandelt in String in Double um&nbsp; &nbsp; /// &lt;/summary&gt;&nbsp; &nbsp; /// &lt;param name=&quot;In&quot;&gt;&lt;/param&gt;&nbsp; &nbsp; /// &lt;returns&gt;&lt;/returns&gt;&nbsp; &nbsp; public static double ToDouble(string In)&nbsp; &nbsp; {&nbsp; &nbsp; &nbsp; &nbsp; In = In.Replace(&quot;,&quot;, &quot;.&quot;);&nbsp; &nbsp; &nbsp; &nbsp; return double.Parse(In, System.Globalization.CultureInfo.InvariantCulture);&nbsp; &nbsp; }&nbsp; &nbsp; /// &lt;summary&gt;&nbsp; &nbsp; /// Wandelt String in Double um mit Default falls es nicht möglich ist&nbsp; &nbsp; /// &lt;/summary&gt;&nbsp; &nbsp; /// &lt;param name=&quot;In&quot;&gt;&lt;/param&gt;&nbsp; &nbsp; /// &lt;param name=&quot;Default&quot;&gt;&lt;/param&gt;&nbsp; &nbsp; /// &lt;returns&gt;&lt;/returns&gt;&nbsp; &nbsp; public static double ToDouble(string In, double Default)&nbsp; &nbsp; {&nbsp; &nbsp; &nbsp; &nbsp; double dblOut;&nbsp; &nbsp; &nbsp; &nbsp; In = In.Replace(&quot;,&quot;, &quot;.&quot;);&nbsp; &nbsp; &nbsp; &nbsp; try&nbsp; &nbsp; &nbsp; &nbsp; {&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; dblOut = double.Parse(In, System.Globalization.CultureInfo.InvariantCulture);&nbsp; &nbsp; &nbsp; &nbsp; }&nbsp; &nbsp; &nbsp; &nbsp; catch&nbsp; &nbsp; &nbsp; &nbsp; {&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; dblOut = Default;&nbsp; &nbsp; &nbsp; &nbsp; }&nbsp; &nbsp; &nbsp; &nbsp; return dblOut;&nbsp; &nbsp; }&nbsp; &nbsp; /// &lt;summary&gt;&nbsp; &nbsp; /// Wandelt einen String in Double um (Default = 0 oder es wird eine Exception ausgelöst)&nbsp; &nbsp; /// &lt;/summary&gt;&nbsp; &nbsp; /// &lt;param name=&quot;In&quot;&gt;String&lt;/param&gt;&nbsp; &nbsp; /// &lt;param name=&quot;UseExceptions&quot;&gt;True (Exception wird ausgelöst) oder False (Default 0 wird verwendet)&lt;/param&gt;&nbsp; &nbsp; /// &lt;returns&gt;&lt;/returns&gt;&nbsp; &nbsp; public static double ToDouble(string In, bool UseExceptions)&nbsp; &nbsp; {&nbsp; &nbsp; &nbsp; &nbsp; double dblOut;&nbsp; &nbsp; &nbsp; &nbsp; In = In.Replace(&quot;,&quot;, &quot;.&quot;);&nbsp; &nbsp; &nbsp; &nbsp; try&nbsp; &nbsp; &nbsp; &nbsp; {&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; dblOut = double.Parse(In, System.Globalization.CultureInfo.InvariantCulture);&nbsp; &nbsp; &nbsp; &nbsp; }&nbsp; &nbsp; &nbsp; &nbsp; catch (Exception ex)&nbsp; &nbsp; &nbsp; &nbsp; {&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; if (UseExceptions)&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; throw ex;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; else&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; dblOut = 0;&nbsp; &nbsp; &nbsp; &nbsp; }&nbsp; &nbsp; &nbsp; &nbsp; return dblOut;&nbsp; &nbsp; }&nbsp; &nbsp; &nbsp; #endregion&nbsp; }}[/code]hello-world-actions-xml[code]&lt;?xml version=&quot;1.0&quot; encoding=&quot;utf-8&quot;?&gt;&lt;!-- Hello world workflow state actions --&gt;&lt;Workflow DescriptorVersion=&quot;1.0&quot;&gt;&nbsp; &lt;MenuActions&gt;&nbsp; &nbsp; &lt;!-- This is the workflow action which will be shown in the main menu in the home screen.&nbsp; &nbsp; &nbsp; &nbsp;&nbsp; A PushNavigationTransition is a static action which is always visible in one or more defined&nbsp; &nbsp; &nbsp; &nbsp;&nbsp; workflow states. When executed, the given target state will be pushed onto the workflow navigation stack.&nbsp; &nbsp; &nbsp; &nbsp;&nbsp; There are also other action types which can be used at this place, for example it is possible to&nbsp; &nbsp; &nbsp; &nbsp;&nbsp; make the action visible and invisible programmatically when using a workflow contributor action.&nbsp; &nbsp; &nbsp; &nbsp;&nbsp; The action's name is only needed for debugging purposes and won't be shown to the user.&nbsp; &nbsp; &nbsp; &nbsp;&nbsp; The DisplayCategory is used to group actions together. There is no detailed definition which groups&nbsp; &nbsp; &nbsp; &nbsp;&nbsp; are present but the idea is that each plugin developer uses its own display categories to group its actions&nbsp; &nbsp; &nbsp; &nbsp;&nbsp; together. There are also some common display categories which can be reused here. Use the first letter&nbsp; &nbsp; &nbsp; &nbsp;&nbsp; as an indicator for the sort ordering, for example &quot;z&quot; for actions which should be posed at the end,&nbsp; &nbsp; &nbsp; &nbsp;&nbsp; &quot;a&quot; for the beginning, etc.&nbsp; &nbsp; &nbsp; &nbsp;&nbsp; The SortOrder is used for finer grained sorting inside a display category. We suggest to use a single, lower-case&nbsp; &nbsp; &nbsp; &nbsp;&nbsp; letter here.&nbsp; &nbsp; &nbsp; &nbsp;&nbsp; The SourceState attribute is needed to tell the system in which states the action should be visible.&nbsp; &nbsp; &nbsp; &nbsp;&nbsp; Use the state's id here. You can also use a star (&quot;*&quot;). In that case, the action will be shown in each&nbsp; &nbsp; &nbsp; &nbsp;&nbsp; state.&nbsp; &nbsp; &nbsp; &nbsp;&nbsp; The TargetState attribute must always contain an id of a valid target state where the sytem will navigate to&nbsp; &nbsp; &nbsp; &nbsp;&nbsp; when this action is executed.&nbsp; &nbsp; &nbsp; &nbsp;&nbsp; The DisplayTitle will be shown in the main menu for this action. --&gt;&nbsp; &nbsp; &lt;PushNavigationTransition Id=&quot;EA48BD6E-60D3-45b2-9C35-1AB437CC72FB&quot;&nbsp; &nbsp; &nbsp; &nbsp; Name=&quot;Home-&gt;HelloWorld&quot;&nbsp; &nbsp; &nbsp; &nbsp; DisplayCategory=&quot;z-HelloWorld&quot;&nbsp; &nbsp; &nbsp; &nbsp; SortOrder=&quot;a&quot;&nbsp; &nbsp; &nbsp; &nbsp; SourceState=&quot;7F702D9C-F2DD-42da-9ED8-0BA92F07787F&quot;&nbsp; &nbsp; &nbsp; &nbsp; TargetState=&quot;D5CD9D35-1B36-4ede-8BED-A4FB658F27BD&quot;&nbsp; &nbsp; &nbsp; &nbsp; DisplayTitle=&quot;[HelloWorld.MenuEntry]&quot;/&gt;&nbsp; &lt;/MenuActions&gt;&lt;/Workflow&gt;[/code]hallo-world-states.xml[code]&lt;?xml version=&quot;1.0&quot; encoding=&quot;utf-8&quot;?&gt;&lt;!-- Hello world workflow states --&gt;&lt;Workflow DescriptorVersion=&quot;1.0&quot;&gt;&nbsp; &lt;States&gt;&nbsp; &nbsp; &lt;!-- This is the workflow state which corresponds to the hello world screen. Each workflow state corresponds to&nbsp; &nbsp; &nbsp; &nbsp;&nbsp; a certain UI state. The id is needed to be able to reference the state, for example in the action which&nbsp; &nbsp; &nbsp; &nbsp;&nbsp; navigates to this state, see in file hello-world-actions.xml.&nbsp; &nbsp; &nbsp; &nbsp;&nbsp; The name of the state is only needed for debug reasons and will not be shown to the user.&nbsp; &nbsp; &nbsp; &nbsp;&nbsp; The MainScreen will automatically be shown by the workflow manager when switching to the state.&nbsp; &nbsp; &nbsp; &nbsp;&nbsp; It is also possible to set the screen programmatically when using a workflow model.&nbsp; &nbsp; &nbsp; &nbsp;&nbsp; The DisplayLabel is the string which is shown in the Navigation bar for this state. --&gt;&nbsp; &nbsp; &lt;WorkflowState Id=&quot;D5CD9D35-1B36-4ede-8BED-A4FB658F27BD&quot;&nbsp; &nbsp; &nbsp; &nbsp; Name=&quot;HelloWorldMain&quot; MainScreen=&quot;hello_world&quot;&nbsp; &nbsp; &nbsp; &nbsp; DisplayLabel=&quot;[HelloWorld.StateDisplayLabel]&quot;/&gt; &lt;!-- No workflow model --&gt;&nbsp; &lt;/States&gt;&lt;/Workflow&gt;[/code]puuuhhh, a lot of stuff^^If I'm executing the source above I will get the error &quot;Error loading skin resource..&quot; (log attached)And in the log I find this line:the id is the same as from the standard hallo world plugin... but the strange thing is if I change the first lines in the helloworld.xaml to this (removing the context=&quot;ID&quot;):[CODE]&lt;DockPanel Name=&quot;FastParticleBackground.Window1&quot;xmlns=&quot;www.team-mediaportal.com/2008/mpf/directx&quot;xmlns:x=&quot;http://schemas.microsoft.com/winfx/2006/xaml&quot;&gt;[/CODE]I can &quot;open&quot; my plugin, but I don't see the label and the ellipse doesn't move... but I think it should work...The question is now: What is the context=&quot;ID&quot; for in the first lines?! Do I need it?I will try still more debugging an maybe I will get further information <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite2" alt=";)" title="Wink&nbsp; &nbsp; ;)" loading="lazy" data-shortname=";)" /></blockquote>

[QUOTE="FreakyJ, post: 681466, member: 106003"] [b]AW: Skinning contest: One month to go[/b] First of all thanks for your detailed help ;) At first I tried to understand the ResourceWrapper, but I still don't get the point oO In the file ShowPlaylist.xaml you are using the following line (for example): [code] <ResourceWrapper x:Key="Contents_Element"> [/code] I I don't find any reference in a .cs file to this "resource"... Also there is no reference in any .xaml file to "Contents_Element". I think your example above make sense... If I'm right the example above should work like this (the <SomeUIElement> is maybe a bit confusing.., but I know that it is a placeholder for an element^^ But it can destroy my theory xD): [code] <SomeUIElement> <Resources> <ResourceWrapper x:Key="BlackColor" Resource="#FF000000"/> </Resources> </SomeUIElement> <label color="BlackColor" content="string" /> [/code] I didn't tried it yet, just tried to understand it in theory, because I'm still struggling at a more basic point and think I should understand this first before I will come to this back, but later on more on my little second problem^^ But what is the exact function of the ResourceWrapper in the ShowPlaylist.xaml file? Maybe I get the point if you could explain it ;) Sure, you told me that I can use it if there is nor xml element like <string>, but why do you need it in the ShowPlaylist.xaml?! You have a <grid> element, which is "wrapping" all the stuff... //------------------ Now to my little second problem, which is a bit more basic^^ First of all my xaml file: [code]<DockPanel Name="FastParticleBackground.Window1" xmlns="www.team-mediaportal.com/2008/mpf/directx" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" Context="{Model Id=5726DA5A-70D5-458f-AF67-611293D97912}" LastChildFill="False"> <Grid> <Grid.Background> <RadialGradientBrush Center="0.54326,0.45465" RadiusX="0.602049" RadiusY="1.02049" GradientOrigin="0.4326,0.45465"> <GradientStop Color="#57ffe6" Offset="0"/> <GradientStop Color="#008ee7" Offset="0.718518495559692"/> <GradientStop Color="#2c0072" Offset="1"/> </RadialGradientBrush> </Grid.Background> <Canvas x:Name="ParticleHost"> <Ellipse RenderTransformOrigin="0.5,0.5" Width="5" Height="5" Fill="White"> <Ellipse.RenderTransform> <TransformGroup> <TranslateTransform X="{Binding TranslateTransform0_X}" Y="{Binding TranslateTransform0_Y}"/> </TransformGroup> </Ellipse.RenderTransform> </Ellipse> </Canvas> <Label Content="{Binding HelloString}" Margin="10" HorizontalAlignment="Left" VerticalAlignment="Center"/> </Grid> </DockPanel>[/code] the model.cs (still ugly stuff, I know, but I'm still in the try and error state^^ so there is no chance of a clean code xD) [code]#region Copyright (C) 2007-2010 Team MediaPortal /* Copyright (C) 2007-2010 Team MediaPortal https://www.team-mediaportal.com This file is part of MediaPortal 2 MediaPortal 2 is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. MediaPortal 2 is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with MediaPortal 2. If not, see <http://www.gnu.org/licenses/>. */ #endregion using MediaPortal.Core.General; using MediaPortal.UI.Presentation.Models; using MediaPortal.UI.SkinEngine.MpfElements; using MediaPortal.UI.SkinEngine.SkinManagement; using MediaPortal.UI.SkinEngine.Xaml; using MediaPortal.UI.SkinEngine.Xaml.Interfaces; using MediaPortal.UI.SkinEngine.Controls.Visuals; using MediaPortal.UI.SkinEngine.MpfElements.Resources; using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Windows; using System.Windows.Data; using System.Windows.Documents; using System.Windows.Input; using System.Windows.Media; using System.Windows.Media.Imaging; using System.Windows.Navigation; using System.Windows.Threading; //using System.Windows.Media; using System.Windows.Media.Media3D; using System.Windows.Media.Effects; using System.Windows.Shapes; using System.Collections; using System; using System.Windows; namespace Models.HelloWorld { /// <summary> /// Example for a simple model. /// The screenfile to this model is located at: /// /Skins/default/screens/hello_world.xaml /// </summary> /// <remarks> /// <para> /// Models are used for providing data from the system to the skin and for executing actions (commands) /// which are triggered by the Skin, for example by clicking a button. /// </para> /// <para> /// All public properties can be data-bound by the skin, for example the <see cref="HelloString"/> property. /// Note that properties, which are updated by the model and whose new value should be propagated to the /// skin, must be backed by an instance of <see cref="AbstractProperty"/>. That instance must be made available /// to the skin engine by publishing it under the same name as the actual property plus "Property", see for example /// <see cref="HelloStringProperty"/>. /// </para> /// <para> /// You can also consider to implement the interface <see cref="IWorkflowModel"/>, which makes it /// possible to attend the screenflow = workflow of the user session. When that interface is implemented and this /// model is registered in a workflow state as backing workflow model, the model will get notifications when the /// GUI navigation switches to or away from its workflow state. /// </para> /// <para> /// To make an UI model known by the system (and thus loadable by the skin), it is necessary to register it /// in the <c>plugin.xml</c> file. /// </para> /// </remarks> public class Model { // ListItem public List<Particle> particleList = new List<Particle>(); /// <summary> /// This is a localized string resource. Localized string resources always look like this: /// <example> /// [Section.Name] /// </example> /// Localized resources must be present at least in the english language, as this is the default. /// In the english language file of this hello world plugin, you'll find the translation of this string. /// The language file is located at: /Language/strings_en.xml /// </summary> protected const string HELLOWORLD_RESOURCE = "[HelloWorld.HelloWorldText]"; protected const string TranslateTransform0_X_RESOURCE = "20"; protected const string TranslateTransform0_Y_RESOURCE = "20"; /// <summary> /// Another localized string resource. /// </summary> protected const string COMMAND_TRIGGERED_RESOURCE = "[HelloWorld.ButtonTextCommandExecuted]"; /// <summary> /// This property holds a string that we will modify in this tutorial. /// </summary> private readonly AbstractProperty _helloStringProperty; private readonly AbstractProperty _TranslateTransform0_XProperty; private readonly AbstractProperty _TranslateTransform0_YProperty; /// <summary> /// Constructor... this one is called by the WorkflowManager when this model is loaded due to a screen reference. /// </summary> public Model() { // In models, properties will always be WProperty instances. When using SProperties for screen databinding, // the system might run into memory leaks. _helloStringProperty = new WProperty(typeof(string), HELLOWORLD_RESOURCE); _TranslateTransform0_XProperty = new WProperty(typeof(string), TranslateTransform0_X_RESOURCE); _TranslateTransform0_YProperty = new WProperty(typeof(string), TranslateTransform0_Y_RESOURCE); //_ParticleHost = new WProperty(typeof(string), ParticleHost); Window_Loaded(); } /// <summary> /// This sample property will be accessed by the hello_world screen. Note that the data type must be the same /// as in the instantiation of our backing property <see cref="_helloStringProperty"/>. /// </summary> public string HelloString { get { return (string) _helloStringProperty.GetValue(); } set { _helloStringProperty.SetValue(value); } } public string TranslateTransform0_X { get { return (string)_TranslateTransform0_XProperty.GetValue(); } set { _TranslateTransform0_XProperty.SetValue(value); } } public string TranslateTransform0_Y { get { return (string)_TranslateTransform0_YProperty.GetValue(); } set { _TranslateTransform0_YProperty.SetValue(value); } } /// <summary> /// This is the dependency property for our sample string. It is needed to propagate changes to the skin. /// </summary> /// <remarks> /// <para> /// If the screen databinds to the <see cref="HelloString"/> property in a binding mode which will propagate data /// changes from the model to the skin, the SkinEngine will attach a change handler to this property. /// </para> /// <para> /// In other words: Every property <c>Xyz</c>, which should be able to be attached to, must be present also as /// <c>XyzProperty</c>. /// Only if <c>XyzProperty</c> is present in the model, value changes can be propagated to the skin. /// </remarks> public AbstractProperty HelloStringProperty { get { return _helloStringProperty; } } public AbstractProperty TranslateTransform0_XProperty { get { return _TranslateTransform0_XProperty; } } public AbstractProperty TranslateTransform0_YProperty { get { return _TranslateTransform0_YProperty; } } /// <summary> /// Method which will be called from our screen. We will change the value of our HelloWorld string here. /// </summary> public void ChangeHelloWorldString() { HelloString = COMMAND_TRIGGERED_RESOURCE; } DispatcherTimer timer = new DispatcherTimer(); Random random = new Random(DateTime.Now.Millisecond); // Some general values double MaxSize = 30; double NumberOfParticles = 25; int Width = 800; int Height = 600; /*double VerticalVelocity = 0.4; double HorizontalVelocity = -2.2; double elapsed = 0.1;*/ public void Window_Loaded() { for (int i = 0; i < NumberOfParticles; i++) { CreateParticle(); } timer.Interval = TimeSpan.FromMilliseconds(33.33); timer.Tick += new EventHandler(timer_Tick); timer.Start(); HelloString = "EXECUTED"; } void timer_Tick(object sender, EventArgs e) { // I control "particle" from their ellipse representation //foreach (Ellipse ellipse in ParticleHost.Children) //{ /*var p = ellipse.Tag as Particle; var t = ellipse.RenderTransform as TranslateTransform; // Update location t.X += p.Velocity.X; t.Y += p.Velocity.Y; // Check if the particle is too high if (t.Y < -MaxSize) { t.Y = Height + MaxSize; } // Check if the particle has gone outside if (t.X < -MaxSize || t.X > Width + MaxSize) { t.X = random.NextDouble() * Width; t.Y = Height + MaxSize; } // Brush & Effect //ellipse.Fill = p.Brush; ellipse.Fill = (Brush)Brushes.White.Clone(); // Comment this line to deactivate the Blur Effect ellipse.Effect = p.Blur;*/ //} //---------------------------- foreach (Particle particle in particleList) { TranslateTransform0_X = (ToDouble(TranslateTransform0_X) + particle.Velocity.X).ToString(); TranslateTransform0_Y = (ToDouble(TranslateTransform0_Y) + particle.Velocity.Y).ToString(); HelloString = "Transform X to " + TranslateTransform0_X; // Check if the particle is too high if (ToDouble(TranslateTransform0_Y) < -MaxSize) { TranslateTransform0_Y = (Height + MaxSize).ToString(); } // Check if the particle has gone outside if (ToDouble(TranslateTransform0_X) < -MaxSize || ToDouble(TranslateTransform0_X) > Width + MaxSize) { TranslateTransform0_X = (random.NextDouble() * Width).ToString(); TranslateTransform0_Y = (Height + MaxSize).ToString(); } } } private void CreateParticle() { // Brush (White) var brush = System.Windows.Media.Brushes.White.Clone(); // Opacity (0.2 <= 1) brush.Opacity = 0.2 + random.NextDouble() * 0.8; // Blur effect var blur = new BlurEffect(); blur.RenderingBias = RenderingBias.Performance; // Radius (1 <= 40) blur.Radius = 1 + random.NextDouble() * 39; // Ellipse var ellipse = new Ellipse(); // Size (from 15% to 95% of MaxSize) ellipse.Width = ellipse.Height = MaxSize * 0.15 + random.NextDouble() * MaxSize * 0.8; // Starting location of the ellipse (anywhere in the scree // extraTags adden var p = new Particle(); // Speed double speed = RandomWithVariance(20, 15); double velocityMultiplier = (random.NextDouble() + 0.25) * speed; double vX = (1.0 - (random.NextDouble() * 2.0)) * velocityMultiplier; // Only going from the bottom of the screen to the top (for now) double vY = -Math.Abs((1.0 - (random.NextDouble() * 2.0)) * velocityMultiplier); p.Velocity = p.Velocity = new Point(vX, vY); p.Blur = blur; ellipse.Tag = p; //this.ParticleHost.Children.Add(ellipse); TranslateTransform t; t = new TranslateTransform(); ellipse.RenderTransform = t; ellipse.RenderTransformOrigin = new Point(0.5, 0.5); //t.X = RandomWithVariance(Width / 2, Width / 2); //t.Y = Height; //---------------------------------------- // add particle to list particleList.Add(p); // set position TranslateTransform0_X = RandomWithVariance(Width / 2, Width / 2).ToString(); TranslateTransform0_Y = Height.ToString(); } private double RandomWithVariance(double midvalue, double variance) { double min = Math.Max(midvalue - (variance / 2), 0); double max = midvalue + (variance / 2); double value = min + ((max - min) * random.NextDouble()); return value; } #region helper functions /// <summary> /// Wandelt in String in Double um /// </summary> /// <param name="In"></param> /// <returns></returns> public static double ToDouble(string In) { In = In.Replace(",", "."); return double.Parse(In, System.Globalization.CultureInfo.InvariantCulture); } /// <summary> /// Wandelt String in Double um mit Default falls es nicht möglich ist /// </summary> /// <param name="In"></param> /// <param name="Default"></param> /// <returns></returns> public static double ToDouble(string In, double Default) { double dblOut; In = In.Replace(",", "."); try { dblOut = double.Parse(In, System.Globalization.CultureInfo.InvariantCulture); } catch { dblOut = Default; } return dblOut; } /// <summary> /// Wandelt einen String in Double um (Default = 0 oder es wird eine Exception ausgelöst) /// </summary> /// <param name="In">String</param> /// <param name="UseExceptions">True (Exception wird ausgelöst) oder False (Default 0 wird verwendet)</param> /// <returns></returns> public static double ToDouble(string In, bool UseExceptions) { double dblOut; In = In.Replace(",", "."); try { dblOut = double.Parse(In, System.Globalization.CultureInfo.InvariantCulture); } catch (Exception ex) { if (UseExceptions) throw ex; else dblOut = 0; } return dblOut; } #endregion } } [/code] hello-world-actions-xml [code]<?xml version="1.0" encoding="utf-8"?>  <Workflow DescriptorVersion="1.0"> <MenuActions>  <PushNavigationTransition Id="EA48BD6E-60D3-45b2-9C35-1AB437CC72FB" Name="Home->HelloWorld" DisplayCategory="z-HelloWorld" SortOrder="a" SourceState="7F702D9C-F2DD-42da-9ED8-0BA92F07787F" TargetState="D5CD9D35-1B36-4ede-8BED-A4FB658F27BD" DisplayTitle="[HelloWorld.MenuEntry]"/> </MenuActions> </Workflow>[/code] hallo-world-states.xml [code]<?xml version="1.0" encoding="utf-8"?>  <Workflow DescriptorVersion="1.0"> <States>  <WorkflowState Id="D5CD9D35-1B36-4ede-8BED-A4FB658F27BD" Name="HelloWorldMain" MainScreen="hello_world" DisplayLabel="[HelloWorld.StateDisplayLabel]"/>  </States> </Workflow>[/code] puuuhhh, a lot of stuff^^ If I'm executing the source above I will get the error "Error loading skin resource.." (log attached) And in the log I find this line: the id is the same as from the standard hallo world plugin... but the strange thing is if I change the first lines in the helloworld.xaml to this (removing the context="ID"): [CODE]<DockPanel Name="FastParticleBackground.Window1" xmlns="www.team-mediaportal.com/2008/mpf/directx" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">[/CODE] I can "open" my plugin, but I don't see the label and the ellipse doesn't move... but I think it should work... The question is now: What is the context="ID" for in the first lines?! Do I need it? I will try still more debugging an maybe I will get further information ;) [/QUOTE]

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