private int scUpDown_SubClassedWndProc(ref Message m)
{
switch (m.Msg)
{
case CustomWin32.WM_PAINT:
{
//------------------------
// redraw
IntPtr hDC = CustomWin32.GetWindowDC(scUpDown.Handle);
Graphics g = Graphics.FromHdc(hDC);
DrawIcons(g);
g.Dispose();
CustomWin32.ReleaseDC(scUpDown.Handle, hDC);
//------------------------
// return 0 (processed)
m.Result = IntPtr.Zero;
//------------------------
// validate current rect
Rectangle rect = new Rectangle();
CustomWin32.GetClientRect(scUpDown.Handle, ref rect);
CustomWin32.ValidateRect(scUpDown.Handle, ref rect);
//------------------------
}
return(1);
}
return(0);
}
private void UpdateUpDown()
{
if (bUpDown)
{
if (CustomWin32.IsWindowVisible(scUpDown.Handle))
{
Rectangle rect = new Rectangle();
CustomWin32.GetClientRect(scUpDown.Handle, ref rect);
CustomWin32.InvalidateRect(scUpDown.Handle, ref rect, true);
}
}
}
