It means: No, I'm not the signature, I'm just cleaning here! :-D www.troschuetz.de

Since the dialog is showing the friendly names, the logical conclusion would be to find something that resembles "Win32_DesktopMonitor", like "Monitors". Add that and generate a class for your project. Microsoft MVP, Visual C# My Articles

An alternative method is to use the DirectShow runtime DLL: Quartz.dll. It's been a long time since I used it, but basically you add a reference to it in your project (it's in the System32 directory) and .NET will create the neccessary interop assemblies (I believe the reference will display as QuartzTypeLib in the Project Explorer). Following that you will have access to the necessary methods of DirectShow to playback audio and video files. Note that this method is a lot more complex than just using the Media Player control, but it will also be a lot more configurable for you. There is too much code to post as an example to make this work for you, but I'm sure there are a lot of samples online that you can use. HTH -Sheppe Pharis, MCSD

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Yes, thank you very much :-)

Thanks, I will try that solution. I have just testet the method with memoryStream - it works, but it used 600 MB of memory!!! I only have 256 MB RAM, so my harddisk went totaly crazy, and even after I had shut down the program, Windows has totaly wierd.