C# Definition:

[StructLayout(LayoutKind.Sequential, CharSet=CharSet.Ansi)]
public struct DISPLAY_DEVICE
{
      [MarshalAs(UnmanagedType.U4)]
      public int cb;
      [MarshalAs(UnmanagedType.ByValTStr, SizeConst=32)]
      public string DeviceName;
      [MarshalAs(UnmanagedType.ByValTStr, SizeConst=128)]
      public string DeviceString;
      [MarshalAs(UnmanagedType.U4)]
      public uint StateFlags;
      [MarshalAs(UnmanagedType.ByValTStr, SizeConst=128)]
      public string DeviceID;
    [MarshalAs(UnmanagedType.ByValTStr, SizeConst=128)]
      public string DeviceKey;
}

VB.NET Definition:

<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Ansi)> _
Public Structure DISPLAY_DEVICE
    <MarshalAs(UnmanagedType.U4)> _
    Public cb As Integer
    <MarshalAs(UnmanagedType.ByValTStr, SizeConst:=32)> _
    Public DeviceName As String
    <MarshalAs(UnmanagedType.ByValTStr, SizeConst:=128)> _
    Public DeviceString As String
    <MarshalAs(UnmanagedType.U4)> _
    Public StateFlags As UInteger
    <MarshalAs(UnmanagedType.ByValTStr, SizeConst:=128)> _
    Public DeviceID As String
    <MarshalAs(UnmanagedType.ByValTStr, SizeConst:=128)> _
    Public DeviceKey As String
End Structure

None.

Notes:

Used with EnumDisplayDevices

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