public extern static Int32 GetThemePosition(IntPtr hTheme, int iPartId, int iStateId, int iPropId, out POINT pPoint);

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

Public Shared Function GetThemePosition(hTheme As IntPtr, iPartId As Integer, iStateId As Integer, iPropId As Integer, ByRef pPoint As POINT) As Int32