C# Definition:

[StructLayout(LayoutKind.Explicit, CharSet = CharSet.Auto)]
struct MIXERCONTROLDETAILS
{
   [FieldOffset(0)] public UInt32        cbStruct;      
   [FieldOffset(4)] public UInt32        dwControlID;  
   [FieldOffset(8)] public UInt32        cChannels;
   // Union start
   [FieldOffset(12)] public IntPtr        hwndOwner;
   [FieldOffset(12)] public UInt32        cMultipleItems;
   // Union end
   [FieldOffset(16)] public UInt32        cbDetails;
   [FieldOffset(20)] public IntPtr        paDetails;
}

VB Definition:

Structure MIXERCONTROLDETAILS
   Public TODO
End Structure

User-Defined Field Types:

None.

Notes:

None.