C# Signature:

[StructLayout(LayoutKind.Sequential)]
public struct DTBGOPTS
{
    public static readonly int SizeOf = Marshal.SizeOf(typeof(DTBGOPTS));

    public int dwSize;
    public DrawThemeBackgroundFlags dwFlags;
    public RECT rcClip;
}

VB .NET Signature:

<StructLayout(LayoutKind.Sequential)> _
Public Structure DTBGOPTS
    Public Shared ReadOnly SizeOf As Integer = Marshal.SizeOf(GetType(DTBGOPTS))

    Public dwSize As Integer
    Public dwFlags As DrawThemeBackgroundFlags
    Public rcClip As RECT
End Structure

User-Defined Types:

RECT, DrawThemeBackgroundFlags

Notes:

None.

Tips & Tricks:

Please add some!

Sample Code:

Please add some!

Alternative Managed API:

TODO