private void PerformWmPaint(ref Message m)
{
PAINTSTRUCT ps = new PAINTSTRUCT();
Rectangle rectClient = ClientRectangle;
IntPtr hDC = User32.BeginPaint(m.HWnd, ref ps);
using (Graphics g = Graphics.FromHdc(hDC))
{
using (Bitmap bitmap1 = new Bitmap(rectClient.Width, rectClient.Height))
{
using (Graphics graphics2 = Graphics.FromImage(bitmap1))
{
OnPaint(new PaintEventArgs(graphics2, rectClient));
}
g.DrawImageUnscaled(bitmap1, 0, 0);
}
}
User32.EndPaint(m.HWnd, ref ps);
}
internal static extern bool EndPaint(IntPtr hWnd, ref PAINTSTRUCT ps);
internal static extern IntPtr BeginPaint(IntPtr hWnd, ref PAINTSTRUCT ps);
internal static extern bool EndPaint(IntPtr hWnd, ref PAINTSTRUCT ps);
internal static extern IntPtr BeginPaint(IntPtr hWnd, ref PAINTSTRUCT ps);
private void PerformWmPaint(ref Message m)
{
PAINTSTRUCT ps = new PAINTSTRUCT();
Rectangle rectClient = ClientRectangle;
IntPtr hDC = User32.BeginPaint(m.HWnd, ref ps);
using (Graphics g = Graphics.FromHdc(hDC))
{
using (Bitmap bitmap1 = new Bitmap(rectClient.Width, rectClient.Height))
{
using (Graphics graphics2 = Graphics.FromImage(bitmap1))
{
OnPaint(new PaintEventArgs(graphics2, rectClient));
}
g.DrawImageUnscaled(bitmap1, 0, 0);
}
}
User32.EndPaint(m.HWnd, ref ps);
}