public static extern void GetThemePropertyOrigin(IntPtr hTheme, int iPartId, int iStateId, int iPropId, out ThemePropertyOrigin pOrigin);
public static extern int GetThemePropertyOrigin(SafeThemeHandle hTheme, int iPartId, int iStateId, int iPropId, out ThemePropertyOrigin pOrigin);
public static extern void GetThemePropertyOrigin(IntPtr hTheme, int iPartId, int iStateId, int iPropId, out ThemePropertyOrigin pOrigin);