internal static extern int SetBkMode(IntPtr hdc, BkMode iBkMode);
private static extern int SetBkMode(IntPtr hdc, BkMode mode);
public static extern int SetBkMode(IntPtr hdc, BkMode iBkMode);
public static extern int SetBkMode(IntPtr hDC, BkMode bkMode);
public static extern int SetBkMode(IntPtr hdc, BkMode iBkMode);
public static extern int SetBkMode(HandleRef hDC, [MarshalAs(UnmanagedType.I4)] BkMode nBkMode);
private static extern bool SetBkMode(HDC hdc, BkMode iBkMode);