public static extern int mixerGetLineControls(IntPtr hmxobj, ref MIXERLINECONTROLS pmxlc, MIXER_GETLINECONTROLSFLAG fdwControls);
private void ReloadLines()
{
MMErrors errorCode = 0;
mLines.Clear();
mUserLines.Clear();
MIXERLINE mxl = new MIXERLINE();
MIXERLINECONTROLS mlc = new MIXERLINECONTROLS();
MIXERCONTROL mc = new MIXERCONTROL();
uint dwDestination;
unchecked
{
dwDestination = (uint)-1;
}
mxl.cbStruct = (uint)Marshal.SizeOf(mxl);
if (mMixerType == MixerType.Recording)
{
mxl.dwComponentType = MIXERLINE_COMPONENTTYPE.DST_WAVEIN;
errorCode = (MMErrors)MixerNative.mixerGetLineInfo(mHMixer, ref mxl, MIXER_GETLINEINFOF.COMPONENTTYPE);
if (errorCode != MMErrors.MMSYSERR_NOERROR)
{
throw new MixerException(errorCode, Mixers.GetErrorDescription(FuncName.fnMixerGetLineInfo, errorCode));
}
}
else if (mMixerType == MixerType.Playback)
{
mxl.dwComponentType = MIXERLINE_COMPONENTTYPE.DST_SPEAKERS;
errorCode = (MMErrors)MixerNative.mixerGetLineInfo(mHMixer, ref mxl, MIXER_GETLINEINFOF.COMPONENTTYPE);
if (errorCode != MMErrors.MMSYSERR_NOERROR)
{
mxl.dwComponentType = MIXERLINE_COMPONENTTYPE.DST_UNDEFINED;
errorCode = (MMErrors)MixerNative.mixerGetLineInfo(mHMixer, ref mxl, MIXER_GETLINEINFOF.COMPONENTTYPE);
if (errorCode != MMErrors.MMSYSERR_NOERROR)
{
throw new MixerException(errorCode, Mixers.GetErrorDescription(FuncName.fnMixerGetLineInfo, errorCode));
}
}
}
dwDestination = mxl.dwDestination;
MixerLine mixLine = new MixerLine();
if (mMixerType == MixerType.Recording)
{
mixLine.Direction = MixerType.Recording;
}
else if (mMixerType == MixerType.Playback)
{
mixLine.Direction = MixerType.Playback;
}
mixLine.Mixer = this;
mixLine.Channels = mxl.cChannels;
mixLine.CControls = mxl.cControls;
mixLine.Connections = mxl.cConnections;
mixLine.Flag = mxl.fdwLine;
mixLine.Destination = dwDestination;
mixLine.Name = mxl.szName;
mixLine.Id = mxl.dwLineID;
mixLine.ComponentType = mxl.dwComponentType;
mixLine.Source = mxl.dwSource;
mixLine.HMixer = mHMixer;
if (mixLine.CControls != 0 && !(mixLine.CControls == 1 && mixLine.Controls[0].Type == MIXERCONTROL_CONTROLTYPE.MUX))
{
mUserLines.Add(mixLine);
}
mLines.Add(mixLine);
int cConnections = (int)mxl.cConnections;
for (int i = 0; i < cConnections; i++)
{
mxl.cbStruct = (uint)Marshal.SizeOf(mxl);
mxl.dwDestination = dwDestination;
mxl.dwSource = (uint)i;
errorCode = (MMErrors)MixerNative.mixerGetLineInfo(mHMixer, ref mxl, MIXER_GETLINEINFOF.SOURCE);
if (errorCode != MMErrors.MMSYSERR_NOERROR)
{
throw new MixerException(errorCode, Mixers.GetErrorDescription(FuncName.fnMixerGetLineInfo, errorCode));
}
MixerLine mixLineNew = new MixerLine();
if (mMixerType == MixerType.Recording)
{
mixLineNew.Direction = MixerType.Recording;
}
else if (mMixerType == MixerType.Playback)
{
mixLineNew.Direction = MixerType.Playback;
}
mixLineNew.Mixer = this;
mixLineNew.Channels = mxl.cChannels;
mixLineNew.CControls = mxl.cControls;
mixLineNew.Connections = mxl.cConnections;
mixLineNew.Flag = mxl.fdwLine;
mixLineNew.Destination = dwDestination;
mixLineNew.Name = mxl.szName;
mixLineNew.Id = mxl.dwLineID;
mixLineNew.ComponentType = mxl.dwComponentType;
mixLineNew.Source = mxl.dwSource;
mixLineNew.HMixer = mHMixer;
if (mixLineNew.CControls != 0)
{
mUserLines.Add(mixLineNew);
}
mLines.Add(mixLineNew);
}
}