学步园

注意：需要在MOUSEMOVE事件中执行！

int titleHeight = System.Windows.Forms.SystemInformation.CaptionHeight;</p> <p> Point myFormPoint = this.PointToScreen(new Point(0, 0 - titleHeight));</p> <p> Rectangle rect = new Rectangle(myFormPoint, new Size(this.ClientRectangle.Width, this.ClientRectangle.Height + titleHeight));</p> <p> System.Windows.Forms.Cursor.Clip = rect; </p> <p>