System.Windows.Forms.Form.WmWindowPosChanged C# (CSharp) Method

		private void WmWindowPosChanged (ref Message m)
		{
			// When a form is minimized/restored:
			// * Win32: X and Y are set to negative values/restored, 
			//   size remains the same.
			// * X11: Location and Size remain the same.
			// 
			// In both cases we have to fire Resize explicitly here, 
			// because of the unmodified Size due to which Control
			// doesn't fire it.
			// 
			if (window_state != FormWindowState.Minimized && WindowState != FormWindowState.Minimized)
				base.WndProc (ref m);
			else { // minimized or restored
				if (!is_minimizing) {
					// Avoid recursive calls here as code in OnSizeChanged might 
					// cause a WM_WINDOWPOSCHANGED to be sent.
					is_minimizing = true;
					OnSizeChanged (EventArgs.Empty);
					is_minimizing = false;
				}
			}

			if (WindowState == FormWindowState.Normal)
				restore_bounds = Bounds;
		}