this.Width = Screen.PrimaryScreen.WorkingArea.Width/2;
this.Height = Screen.PrimaryScreen.WorkingArea.Height/2;
this.Top = (Screen.PrimaryScreen.WorkingArea.Top + Screen.PrimaryScreen.WorkingArea.Height)/4;
this.Left = (Screen.PrimaryScreen.WorkingArea.Left + Screen.PrimaryScreen.WorkingArea.Width)/4;