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cellspacing="1" cellpadding="1" bgcolor="#000000"><tr bgcolor="#FFFFFF"><td width="100%" colspan="4" align="left"><table width="95%" align="center"><tr><td class="font1"><p align="center"><br><font size="3">控制Delphi的窗口显示位置</font><br><span class="nava"><font color="#CC9933">2000-07-04· -·-</font></span></p><center><fontcolor="#0000c0"><h2>控制Delphi的窗口显示位置</h2></font><h3>wobenkuangren@...</h3></center><p><fontcolor="#ffffff"></font>在使用Delphi进行工作时，也许需要将多个独立的窗口放在一个主窗口中，但有不打算使用多文档界面（MDI），那么下面介绍的方法可能对你会有所启发。直接控制窗口的产生过程，并指定它的容器对象即Parent属性或ParentWindow属性。<p><fontcolor="#ffffff"></font>使用容器。这个容器是指可以容纳目标窗口的控制元件（WindowsControl)，它可以是窗口、面板、页面控制等VCL对象。一个窗口在类别注册后将调用API函数CreateWindow，函数调用时需要传递一个WndParent即父窗口的句柄。Delphi已将该函数封装在TcustomForm对象的CreateParams过程里面了。原函数的参数也封装在一个TCreateparams的记录类型里面。在IDE里，我们重载它，然后在容器控制的单元中调用即可。假设要将Form2和Form3放在Form1的Panel1中，可以这样做：<pre>Form2单元接口部分typeTForm2=Class(TForm)pubicprocedureLoaded;override;procedureCreateParams(varParams:TParams);override;end;实现部分procedureTForm2.Loaded;begininheritedLoaded;Visible:=Flase;Position:=poDefault;BorderIcons:=[];BorderStyle:=bsNone;//注意此时的窗口边界样式和图标，改变这两个值，看看有无其它变化。HandNeeded;//如果窗口不存在，就生成它。SetBouds(0,0,Width,Height);//不改变窗口原来的大小。end;procedureTForm2.CreateParams(varParams:TCreateParams);begininheritedCreateParams(Params);Params.WndParent:=(OwnerasTForm).Handle;//指定父窗口的句柄。Params.Style:=WS_CHILDorWS_CLIPSIBLINGS;//注意窗口的样式。params.X:=0;params.Y:=0;end;</pre><p><fontcolor="#ffffff"></font>Form3单元类似于Form2单元。注意理解Loaded方法的重载，以及和Create方法的区别，先后顺序的不同。<p><fontcolor="#ffffff"></font>假设Form1单元的客户区上面是控制面板Panel1，下方有两个按扭分别控制Form2和Form3的显示。单元如下：<pre>Form1接口部分typeTForm1=Class(TForm)Panel1:TPanel;Form2Button:TButton;Form3Button:TButton;procedureFormCreate(Sender:TObject);procedureFormShow(Sender:TObject);procedureFormResize(Sender:TObject);procedureForm2ButtonOnClick(Sender:TObject);procedureForm3ButtonOnClick(Sender:TObject);end;Form1实现部分//需要引用Form2和Form3单元。procedureTForm1.FormCreate(Sender:TObject);⌨️ 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