/// <summary>
/// Gets all the mixer controls
/// </summary>
/// <param name="mixerHandle"></param>
/// <param name="mixerLine"></param>
/// <param name="mixerHandleType"></param>
/// <returns></returns>
public static IList <MixerControl> GetMixerControls(IntPtr mixerHandle, MixerLine mixerLine, MixerFlags mixerHandleType)
{
List <MixerControl> controls = new List <MixerControl>();
if (mixerLine.ControlsCount > 0)
{
int mixerControlSize = Marshal.SizeOf(typeof(MixerInterop.MIXERCONTROL));
MixerInterop.MIXERLINECONTROLS mlc = new MixerInterop.MIXERLINECONTROLS();
IntPtr pmc = Marshal.AllocHGlobal(mixerControlSize * mixerLine.ControlsCount);
mlc.cbStruct = Marshal.SizeOf(mlc);
mlc.dwLineID = mixerLine.LineId;
mlc.cControls = mixerLine.ControlsCount;
mlc.pamxctrl = pmc;
mlc.cbmxctrl = Marshal.SizeOf(typeof(MixerInterop.MIXERCONTROL));
MmResult err = MixerInterop.mixerGetLineControls(mixerHandle, ref mlc, MixerFlags.All | mixerHandleType);
if (err != MmResult.NoError)
{
Marshal.FreeHGlobal(pmc);
throw new MmException(err, "mixerGetLineControls");
}
for (int i = 0; i < mlc.cControls; i++)
{
Int64 address = pmc.ToInt64() + mixerControlSize * i;
MixerInterop.MIXERCONTROL mc = (MixerInterop.MIXERCONTROL)Marshal.PtrToStructure((IntPtr)address, typeof(MixerInterop.MIXERCONTROL));
MixerControl mixerControl = MixerControl.GetMixerControl(mixerHandle, mixerLine.LineId, mc.dwControlID, mixerLine.Channels, mixerHandleType);
controls.Add(mixerControl);
}
}
return(controls);
}
/// <summary>
/// Retrieves the specified control
/// </summary>
/// <param name="nControl"></param>
/// <returns></returns>
public MixerControl GetControl(int nControl)
{
if (nControl < 0 || nControl >= ControlsCount)
{
throw new ArgumentOutOfRangeException("nControl");
}
return(MixerControl.GetMixerControl(mixerHandle, (int)mixerLine.dwLineID, nControl, Channels));
}
/// <summary>
/// Gets all the mixer controls
/// </summary>
/// <param name="mixerHandle">Mixer Handle</param>
/// <param name="mixerLine">Mixer Line</param>
/// <param name="mixerHandleType">Mixer Handle Type</param>
/// <returns></returns>
// Token: 0x060005CB RID: 1483 RVA: 0x00012C9C File Offset: 0x00010E9C
public static IList <MixerControl> GetMixerControls(IntPtr mixerHandle, MixerLine mixerLine, MixerFlags mixerHandleType)
{
List <MixerControl> list = new List <MixerControl>();
if (mixerLine.ControlsCount > 0)
{
int num = Marshal.SizeOf(typeof(MixerInterop.MIXERCONTROL));
MixerInterop.MIXERLINECONTROLS mixerlinecontrols = default(MixerInterop.MIXERLINECONTROLS);
IntPtr intPtr = Marshal.AllocHGlobal(num * mixerLine.ControlsCount);
mixerlinecontrols.cbStruct = Marshal.SizeOf(mixerlinecontrols);
mixerlinecontrols.dwLineID = mixerLine.LineId;
mixerlinecontrols.cControls = mixerLine.ControlsCount;
mixerlinecontrols.pamxctrl = intPtr;
mixerlinecontrols.cbmxctrl = Marshal.SizeOf(typeof(MixerInterop.MIXERCONTROL));
try
{
MmResult mmResult = MixerInterop.mixerGetLineControls(mixerHandle, ref mixerlinecontrols, mixerHandleType);
if (mmResult != MmResult.NoError)
{
throw new MmException(mmResult, "mixerGetLineControls");
}
for (int i = 0; i < mixerlinecontrols.cControls; i++)
{
long value = intPtr.ToInt64() + (long)(num * i);
MixerInterop.MIXERCONTROL mixercontrol = (MixerInterop.MIXERCONTROL)Marshal.PtrToStructure((IntPtr)value, typeof(MixerInterop.MIXERCONTROL));
MixerControl item = MixerControl.GetMixerControl(mixerHandle, mixerLine.LineId, mixercontrol.dwControlID, mixerLine.Channels, mixerHandleType);
list.Add(item);
}
}
finally
{
Marshal.FreeHGlobal(intPtr);
}
}
return(list);
}