private static extern int SetWindowThemeAttribute(IntPtr hWnd, WindowThemeAttributeType wtype, ref WTA_OPTIONS attributes, int size);
public static extern void SetWindowThemeAttribute(IntPtr hWnd, WindowThemeAttributeType wtype, ref WTA_OPTIONS attributes, int size);
public static extern HResult SetWindowThemeAttribute( IntPtr hwnd, WindowThemeAttributeType eAttributeType, IntPtr pvAttribute, uint size);
public static extern int SetWindowThemeAttribute(HandleRef hWnd, WindowThemeAttributeType wtype, ref WTA_OPTIONS attributes, int size);