C# Definition:

  public const int MIXER_LONG_NAME_CHARS = 64;

  [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode, Pack = 2)]
  public struct MIXERCONTROLDETAILS_LISTTEXT
  {
    public long dwParam1;
    public long dwParam2;
    [MarshalAs(UnmanagedType.ByValTStr, SizeConst = MIXER_LONG_NAME_CHARS)]
    public string szName;
  }

VB Definition:

  Public Const MIXER_LONG_NAME_CHARS As Integer = 64

  <StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)> _
  Public Structure MIXERCONTROLDETAILS_LISTTEXT
    Public dwParam1 As Integer
    Public dwParam2 As Integer
    Public szName As String
  End Structure

User-Defined Field Types:

None.

Notes:

None.