System.Windows.Forms.ButtonBase.OnMouseMove C# (CSharp) Method

		protected override void OnMouseMove (MouseEventArgs mevent) {
			bool inside = false;
			bool redraw = false;

			if (ClientRectangle.Contains (mevent.Location))
				inside = true;

			// If the button was pressed and we leave, release the button press and vice versa
			if ((mevent.Button & MouseButtons.Left) != 0) {
				if (this.Capture && (inside != is_pressed)) {
					is_pressed = inside;
					redraw = true;
				}
			}

			if (is_entered != inside) {
				is_entered = inside;
				redraw = true;
			}

			if (redraw)
				Invalidate ();

			base.OnMouseMove (mevent);
		}