C# How to programatically change the playback device

StackOverflow https://stackoverflow.com/questions/1555156

  •  20-09-2019
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Question

How can I programatically change the default audio device on a vista / win 7 system? Using C# or a Win API call?

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Solution

The WinMM API should provide the functionality that you request.

You would use the DRVM_MAPPER_PREFERRED_SET message, which is sent with waveOutMessage() function.

Documentation: http://msdn.microsoft.com/en-us/library/aa909789.aspx

However, if you are trying to send the waveform sound out yourself, you should look at the WinMM.Net library.

http://winmm.codeplex.com

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