C# Signature:

[DllImport("uxtheme", ExactSpelling=true)]
public extern static Int32 HitTestThemeBackground(IntPtr hTheme, IntPtr hdc, int iPartId, int iStateId, UInt32 dwOptions, ref RECT pRect, IntPtr hrgn, POINT ptTest, out HitTestThemeBackgroundCode code);

VB .NET Signature:

Declare Function HitTestThemeBackground Lib "uxtheme.dll" (TODO) As TODO

<DllImport("uxtheme", ExactSpelling := True)> _
Public Shared Function HitTestThemeBackground(hTheme As IntPtr, hdc As IntPtr, iPartId As Integer, iStateId As Integer, dwOptions As UInt32, ByRef pRect As RECT, _
    hrgn As IntPtr, ptTest As POINT, ByRef code As HitTestThemeBackgroundCode) As Int32
End Function

User-Defined Types:

POINT

Notes:

None.

Tips & Tricks:

Please add some!

Sample Code:

Please add some!

Alternative Managed API:

TODO