private void SetValue(MixerComponentType componentType, MixerControlType controlType, int controlValue)
{
MixerNativeMethods.MixerLine mixerLine = new MixerNativeMethods.MixerLine(componentType);
if (MixerNativeMethods.mixerGetLineInfoA(_handle, ref mixerLine, MixerLineFlags.ComponentType) != MixerError.None)
{
throw new InvalidOperationException("Mixer.SetValue.1");
}
using (
MixerNativeMethods.MixerLineControls mixerLineControls =
new MixerNativeMethods.MixerLineControls(mixerLine.LineId, controlType))
{
if (MixerNativeMethods.mixerGetLineControlsA(_handle, mixerLineControls, MixerLineControlFlags.OneByType) !=
MixerError.None)
{
throw new InvalidOperationException("Mixer.SetValue.2");
}
MixerNativeMethods.MixerControl mixerControl =
(MixerNativeMethods.MixerControl)
Marshal.PtrToStructure(mixerLineControls.Data, typeof(MixerNativeMethods.MixerControl));
using (
MixerNativeMethods.MixerControlDetails mixerControlDetails =
new MixerNativeMethods.MixerControlDetails(mixerControl.ControlId))
{
Marshal.WriteInt32(mixerControlDetails.Data, controlValue);
MixerNativeMethods.mixerSetControlDetails(_handle, mixerControlDetails, 0);
}
}
}
private void SetValue(MixerNativeMethods.MixerControlDetails control, int value)
{
if (control == null)
{
return;
}
Marshal.WriteInt32(control.Data, value);
MixerNativeMethods.mixerSetControlDetails(_handle, control, 0);
}