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<blockquote data-quote="gibman" data-source="post: 563109" data-attributes="member: 25430">Interesting, looking at the code, it seems that only the dwm hack is carried out when using internal refreshrate changer and not when using the external one.look for : RunExternalJob, it returns true if it succeeded in running the external job, and false otherwise.This should also be included.[code]&nbsp; if (newExtCmd.Length == 0)&nbsp; &nbsp; &nbsp; &nbsp; {&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; Log.Info(&quot;RefreshRateChanger.SetRefreshRateBasedOnFPS: using internal win32 method for changing refreshrate. current is {0}hz, desired is {1}&quot;, currentRR, newRR);&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; Win32.CycleRefreshRate((uint)currentScreenNr, newRR);&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; NotifyRefreshRateChanged(newRRDescription, (strFile.Length &gt; 0));&nbsp; &nbsp; &nbsp; &nbsp; }&nbsp; &nbsp; &nbsp; &nbsp; else if (RunExternalJob(newExtCmd, strFile, type, deviceReset) &amp;&amp; newRR != currentRR)&nbsp; &nbsp; &nbsp; &nbsp; {&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; NotifyRefreshRateChanged(newRRDescription, (strFile.Length &gt; 0));&nbsp; &nbsp; &nbsp; &nbsp; }[/code]/gibman</blockquote>

[QUOTE="gibman, post: 563109, member: 25430"] Interesting, looking at the code, it seems that only the dwm hack is carried out when using internal refreshrate changer and not when using the external one. look for : RunExternalJob, it returns true if it succeeded in running the external job, and false otherwise. This should also be included. [code] if (newExtCmd.Length == 0) { Log.Info("RefreshRateChanger.SetRefreshRateBasedOnFPS: using internal win32 method for changing refreshrate. current is {0}hz, desired is {1}", currentRR, newRR); Win32.CycleRefreshRate((uint)currentScreenNr, newRR); NotifyRefreshRateChanged(newRRDescription, (strFile.Length > 0)); } else if (RunExternalJob(newExtCmd, strFile, type, deviceReset) && newRR != currentRR) { NotifyRefreshRateChanged(newRRDescription, (strFile.Length > 0)); } [/code] /gibman [/QUOTE]

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