再写【File】菜单的【Close】命令的处理函数void __fastcall TChildFrm::Close1Click(TObject *Sender){MDIFrm->ActiveMDIChild->Close();//关闭当前子窗口}最后编译运行程序，一个功能简单的文字处理的MDI应用程序就搞定拉。www.goodsgy.com
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