摘要： 设置了子父窗体.父窗体Form1, 上有菜单,打开Form2 Form2 myForm = new Form2(); myForm.MdiParent =this; myForm.Show();子窗体Form2,上有菜单,打开Form3 Form3 myForm = new Form3(); myForm.MdiParent =this.MdiParent;... 阅读全文