MixerSetControlDetails
C# Signature:
[DllImport("winmm.dll")]
static extern Int32 mixerSetControlDetails(IntPtr hmxobj,
ref MixerControlDetails pmxcd, UInt32 fdwDetails);VB Signature:
Declare Function mixerSetControlDetails Lib "winmm.dll" (ByVal hmxobj As IntPtr, ByVal pmxcd As MIXERCONTROLDETAILS, ByVal fdwDetails As Integer) As IntegerUser-Defined Types:
[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Ansi, Pack = 4)]
public struct MIXERCONTROL
{
private UInt32 cbStruct;
private UInt32 dwControlID;
private UInt32 dwControlType;
private UInt32 fdwControl;
private UInt32 cMultipleItems;
[MarshalAs(UnmanagedType.ByValTStr, SizeConst = MixerXPNative.MIXER_SHORT_NAME_CHARS)]
private string szShortName;
[MarshalAs(UnmanagedType.ByValTStr, SizeConst = MixerXPNative.MIXER_LONG_NAME_CHARS)]
private string szName;
public MIXERCONTROL_BOUNDS Bounds;
public MIXERCONTROL_METRICS Metrics;
#region Properties
/// <summary>size in bytes of <see cref="MIXERCONTROL">MIXERCONTROL</see></summary>
public UInt32 StructSize
{
get { return this.cbStruct; }
set { this.cbStruct = value; }
}
/// <summary></summary>
public UInt32 ControlID
{
get { return this.dwControlID; }
set { this.dwControlID = value; }
}
/// <summary>MIXERCONTROL_CONTROLTYPE_xxx</summary>
public MIXERCONTROL_CONTROLTYPE ControlType
{
get { return (MIXERCONTROL_CONTROLTYPE)this.dwControlType; }
set { this.dwControlType = (UInt32)value; }
}
/// <summary>MIXERCONTROL_CONTROLF_xxx</summary>
public MIXERCONTROL_CONTROLF Control
{
get { return (MIXERCONTROL_CONTROLF)this.fdwControl; }
set { this.fdwControl = (uint)value; }
}
/// <summary>if MIXERCONTROL_CONTROLF_MULTIPLE set</summary>
public UInt32 MultipleItems
{
get { return this.cMultipleItems; }
set { this.cMultipleItems = value; }
}
/// <summary></summary>
public String ShortName
{
get { return this.szShortName; }
set { this.szShortName = value; }
}
/// <summary></summary>
public String Name
{
get { return this.szName; }
set { this.szName = value; }
}
#endregion
}
[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Ansi, Pack = 4)]
public struct MIXERCONTROL_BOUNDS
{
private Int32 lMinimum;
private Int32 lMaximum;
//public uint dwMinimum; // Unioned with lMinimum
//public uint dwMaximum; // Unioned with lMaximum
//public uint dwReserved1; // Unioned with lMinimum
//public uint dwReserved2; // Unioned with lMaximum
private UInt32 dwReserved3;
private UInt32 dwReserved4;
private UInt32 dwReserved5;
private UInt32 dwReserved6;
#region Properties
/// <summary>signed minimum for this control</summary>
public Int32 Minimum
{
get { return this.lMinimum; }
set { this.lMinimum = value; }
}
/// <summary>signed maximum for this control</summary>
public Int32 Maximum
{
get { return this.lMaximum; }
set { this.lMaximum = value; }
}
/// <summary>unsigned minimum for this control</summary>
public UInt32 UnsignedMinimum
{
get { return (uint)this.lMinimum; }//TODO: something different
set { this.lMinimum = (int)value; }
}
/// <summary>unsigned maximum for this control</summary>
public UInt32 UnsignedMaximum
{
get { return (uint)this.lMaximum; }//TODO: something different
set { this.lMaximum = (int)value; }
}
/// <summary></summary>
public UInt32 Reserved1
{
get { return (uint)this.lMinimum; }//TODO: something different
set { this.lMinimum = (int)value; }
}
/// <summary></summary>
public UInt32 Reserved2
{
get { return (uint)this.lMaximum; }//TODO: something different
set { this.lMaximum = (int)value; }
}
/// <summary></summary>
public UInt32 Reserved3
{
get { return this.dwReserved3; }
set { this.dwReserved3 = value; }
}
/// <summary></summary>
public UInt32 Reserved4
{
get { return this.dwReserved4; }
set { this.dwReserved4 = value; }
}
/// <summary></summary>
public UInt32 Reserved5
{
get { return this.dwReserved5; }
set { this.dwReserved5 = value; }
}
/// <summary></summary>
public UInt32 Reserved6
{
get { return this.dwReserved6; }
set { this.dwReserved6 = value; }
}
#endregion
}
[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Ansi, Pack = 4)]
public struct MIXERCONTROL_METRICS
{
private UInt32 cSteps;
//private UInt32 cbCustomData; //Unioned with cSteps
//private UInt32 dwReserved1; //Unioned with cSteps
private UInt32 dwReserved2;
private UInt32 dwReserved3;
private UInt32 dwReserved4;
private UInt32 dwReserved5;
private UInt32 dwReserved6;
#region Properties
/// <summary># of steps between min & max</summary>
public UInt32 Steps
{
get { return this.cSteps; }
set { this.cSteps = value; }
}
/// <summary>size in bytes of custom data</summary>
public UInt32 CustomData
{
get { return this.cSteps; }
set { this.cSteps = value; }
}
/// <summary>!!! needed? we have cbStruct....</summary>
public UInt32 Reserved1
{
get { return this.cSteps; }//TODO: something different
set { this.cSteps = value; }
}
/// <summary>!!! needed? we have cbStruct....</summary>
public UInt32 Reserved2
{
get { return this.dwReserved2; }
set { this.dwReserved2 = value; }
}
/// <summary>!!! needed? we have cbStruct....</summary>
public UInt32 Reserved3
{
get { return this.dwReserved3; }
set { this.dwReserved3 = value; }
}
/// <summary>!!! needed? we have cbStruct....</summary>
public UInt32 Reserved4
{
get { return this.dwReserved4; }
set { this.dwReserved4 = value; }
}
/// <summary>!!! needed? we have cbStruct....</summary>
public UInt32 Reserved5
{
get { return this.dwReserved5; }
set { this.dwReserved5 = value; }
}
/// <summary>!!! needed? we have cbStruct....</summary>
public UInt32 Reserved6
{
get { return this.dwReserved6; }
set { this.dwReserved6 = value; }
}
#endregion
}User-Defined Types:
Structure MIXERCONTROLDETAILS
Dim cbStruct As Integer
Dim dwControlID As Integer
Dim cChannels As Integer
Structure u ' A union
Dim hWndOwner As IntPtr
Dim cMultipleItems As Integer
End Structure
Dim cbDetails As Integer
Dim paDeatails As IntPtr
End StructureTips & Tricks:
[DllImport("winmm.dll", CharSet = CharSet.Unicode)]
private static extern Int32 mixerSetControlDetails(IntPtr hmxobj, ref MIXERCONTROLDETAILS pmxcd, uint fdwDetails);
public static Int32 mixerSetControlDetails(IntPtr hmxobj, ref MIXERCONTROLDETAILS pmxcd, MIXER_OBJECTF fdwDetails, MIXER_SETCONTROLDETAILSF setControlDetails)
{
uint flags = ((uint)fdwDetails | (uint)setControlDetails);
return mixerSetControlDetails(hmxobj, ref pmxcd, flags);
}
public enum MIXER_OBJECTF : uint
{
HANDLE = 0x80000000u,
MIXER = 0x00000000u,
HMIXER = (HANDLE | MIXER),
WAVEOUT = 0x10000000u,
HWAVEOUT = (HANDLE | WAVEOUT),
WAVEIN = 0x20000000u,
HWAVEIN = (HANDLE | WAVEIN),
MIDIOUT = 0x30000000u,
HMIDIOUT = (HANDLE | MIDIOUT),
MIDIIN = 0x40000000u,
HMIDIIN = (HANDLE | MIDIIN),
AUX = 0x50000000u,
}
public enum MIXER_SETCONTROLDETAILSF : uint
{
VALUE = 0x00000000u,
CUSTOM = 0x00000001u,
QUERYMASK = 0x0000000Fu,
}Última actualización