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I see that you have posted at least 2 other questions for exactly the same issue on which experts have commented/asked to specify some aspects and you very often just ignore them. Since we don't have access to your project, you need to help us help you!<br />
<br />
What kind of application is that? WPF? Windows Forms? Other?
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I see that you have posted at least 2 other questions for exactly the same issue on which experts have commented/asked to specify some aspects and you very often just ignore them. Since we don't have access to your project, you need to help us help you!

What kind of application is that? WPF? Windows Forms? Other?

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Yeah and no!<br />
<br />
el.source is a Uri so this doesn't work<br />
<br />
we want URL!
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Yeah and no!

el.source is a Uri so this doesn't work

we want URL!

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this is easy:<br />

<pre><code id="code-20-41962596-1">el.Source = new Uri(URL);</code></pre>
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this is easy:


el.Source = new Uri(URL);

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<div class="content wysiwyg-content">
string URL=&quot;<a href="https://www.youtube.com/watch?v=foE1mO2yM04" rel="ugc">https://www.youtube.com/watch?v=foE1mO2yM04</a>&quot;;<br />
<br />
MediaElement el = new MediaElement();<br />
<br />
el.source = URL;<br />
<br />
el.LoadedBehaviour = MediaState.Manual;<br />
<br />
MediaPlayer play = new MediaPlayer();<br />
<br />
el.source = play.source;<br />
<br />
play.Play();<br />
<br />
<br />
where I am wrong?(Visual Studio-Experimental Instane of 2017)<br />
<br />
trying to debug this for 3 h
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string URL="https://www.youtube.com/watch?v=foE1mO2yM04";

MediaElement el = new MediaElement();

el.source = URL;

el.LoadedBehaviour = MediaState.Manual;

MediaPlayer play = new MediaPlayer();

el.source = play.source;

play.Play();


where I am wrong?(Visual Studio-Experimental Instane of 2017)

trying to debug this for 3 h

Video Player 2017

C# is an object-oriented programming language created in conjunction with Microsoft’s .NET framework. Compilation is usually done into the Microsoft Intermediate Language (MSIL), which is then JIT-compiled to native code (and cached) during execution in the Common Language Runtime (CLR).