waveOutGetNumDevs()的返回值表示当前机器上波形输出设备个数 midiOutGetNumDevs()的返回值表示当前机器上MIDI输出设备个数 Using System.Runtime.InteropServices; [ DllImport( "Winmm.dll", CharSet=CharSet.Auto )] public static extern int waveOutGetNumDevs(); [ DllImport( "Winmm.dll", CharSet=CharSet.Auto )] public static extern int midiOutGetNumDevs(); http://www.codeproject.com/KB/audio-video/cswavrec.aspx?df=100&forumid=16677&exp=0&select=1107344
midiOutGetNumDevs()的返回值表示当前机器上MIDI输出设备个数
Using System.Runtime.InteropServices;
[ DllImport( "Winmm.dll", CharSet=CharSet.Auto )]
public static extern int waveOutGetNumDevs();
[ DllImport( "Winmm.dll", CharSet=CharSet.Auto )]
public static extern int midiOutGetNumDevs();
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