Form Form3=new Form3();
Form Form1=new Form1();
Form3.MdiParent =this;
Form3.Show();修改:
Form Form3=new Form3();
Form3.MdiParent =this.MdiParent;
Form3.Show();
Form Form1=new Form1();
Form3.MdiParent =this;
Form3.Show();修改:
Form Form3=new Form3();
Form3.MdiParent =this.MdiParent;
Form3.Show();
解决方案 »
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