Example #1
0
        private void PerformWmPaint_WmPrintClient(ref Message m, bool isPaintMessage)
        {
            PAINTSTRUCT paintstruct1;
            RECT        rect1;
            Rectangle   rectangle1;

            paintstruct1 = new PAINTSTRUCT();
            IntPtr ptr1 = (isPaintMessage ? User32.BeginPaint(m.HWnd, ref paintstruct1) : m.WParam);

            rect1 = new RECT();
            User32.GetWindowRect(Handle, ref rect1);
            rectangle1 = new Rectangle(0, 0, rect1.right - rect1.left, rect1.bottom - rect1.top);
            using (Graphics graphics1 = Graphics.FromHdc(ptr1))
            {
                Bitmap bitmap1 = new Bitmap(rectangle1.Width, rectangle1.Height);
                using (Graphics graphics2 = Graphics.FromImage(bitmap1))
                    PerformPaint(new PaintEventArgs(graphics2, rectangle1));
                graphics1.DrawImageUnscaled(bitmap1, 0, 0);
            }
            if (isPaintMessage)
            {
                User32.EndPaint(m.HWnd, ref paintstruct1);
            }
        }
Example #2
0
 internal static extern bool EndPaint(IntPtr hWnd, ref PAINTSTRUCT ps);
Example #3
0
 internal static extern IntPtr BeginPaint(IntPtr hWnd, ref PAINTSTRUCT ps);