static extern MMSYSERROR waveOutOpen(ref IntPtr handle, int uDeviceID, ref WAVEFORMATEX pwfx, WaveOutProc dwCallback, IntPtr dwCallbackInstance, WaveOpenFlags dwFlags);
public static extern int waveInOpen(out IntPtr phwi, int uDeviceID, [In, MarshalAs(UnmanagedType.LPStruct)] WaveFormat lpFormat, WaveInDelegate dwCallback, IntPtr dwInstance, WaveOpenFlags dwFlags);
public static extern int Open(
out IntPtr hWaveOut,
int uDeviceID,
[In, MarshalAs(UnmanagedType.LPStruct)] WaveFormatEx b,
IntPtr dwCallback, // If using Event
IntPtr dwCallbackInstance,
WaveOpenFlags dwFlags);
static extern uint Open( out IntPtr handle, UIntPtr deviceID, ref WaveFormatEx format,
WaveOutCallback callback, UIntPtr callbackInstance, WaveOpenFlags flags);
public static extern int Open(
out IntPtr hwi,
int uDeviceID,
[In, MarshalAs(UnmanagedType.LPStruct)] WaveFormatEx b,
WaveInDelegate dwCallback,
IntPtr dwCallbackInstance,
WaveOpenFlags dwFlags);
