C # moves the window to the specified location

  private void Button1_Click (object sender, EventArgs e)        {            Frm f = new Frm ();            F.startposition = formstartposition.manual;//The position of the form is determined by the System.Windows.Forms.Control.Location property            f.location = new Point (200,200); The upper-left corner coordinates            F.showdialog () when turned on;        }        private void Button2_Click (object sender, EventArgs e)        {this            . Location = new Point (300, 410); Move the current window to the specified position        }