.net Winform 控制子窗体在父窗体出现的位置

form1 fm = new form1();fm.StartPosition = FormStartPosition.Manual;fm.Location = new Point(100, 0);

==========实例=================

SystemSet SS = new SystemSet();SS.StartPosition = FormStartPosition.Manual;SS.Location = new Point(400,100);SS.MdiParent = this;SS.Show();