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<title>带图标的提示栏                                    </title>
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      <td width="621"><a href="http://www.CoDelphi.com"><img src="images/logo.gif" border="0" width="153" height="60"><img src="images/bigbanner.gif" border="0" width="468" height="60"></a></td>
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      <div align="center" class="btitle">带图标的提示栏                                    <br>
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      <div align="center"><strong>CoDelphi.com                                      </strong></div>
       
      <b><br>
      　摘　要</b>：可以画带图标的提示栏吗?                           <br>
      <b>　关键字</b>：提示&nbspGUI&nbsp图标&nbsp图形                     <br>
      <b>　类　别</b>：用户界面                                           
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      <span class="content">&nbsp&nbsp&nbsp&nbsp下面是一个Delphi单元的代码，它把程序图标放在提示栏窗口中:&nbsp<br><br>{--代码开始--}&nbsp<br><br>unit&nbspHintX;&nbsp<br><br>interface&nbsp<br><br>uses&nbsp<br>&nbsp&nbspWindows,&nbspMessages,&nbspControls;&nbsp<br><br>type&nbsp<br>&nbsp&nbspTIconHintX&nbsp=&nbspclass(THintWindow)&nbsp<br>&nbsp&nbspprotected&nbsp<br>&nbsp&nbsp&nbsp&nbspprocedure&nbspPaint;&nbspoverride;&nbsp<br>&nbsp&nbsppublic&nbsp<br>&nbsp&nbsp&nbsp&nbspfunction&nbspCalcHintRect(MaxWidth:&nbspInteger;&nbspconst&nbspAHint:&nbspstring;&nbspAData:&nbspPointer):&nbspTRect;&nbspoverride;&nbsp<br>&nbsp&nbspend;&nbsp<br><br>implementation&nbsp<br><br>uses&nbspForms;&nbsp<br><br>{&nbspTIconHintX&nbsp}&nbsp<br><br>{-为了放置一个图标，重新计算提示栏窗体的大小:-}&nbsp<br>function&nbspTIconHintX.CalcHintRect(MaxWidth:&nbspInteger;&nbspconst&nbspAHint:&nbspstring;&nbsp<br>&nbsp&nbspAData:&nbspPointer):&nbspTRect;&nbsp<br>begin&nbsp<br>&nbsp&nbspResult&nbsp:=&nbspinherited&nbspCalcHintRect(MaxWidth,&nbspAHint,&nbspAData);&nbsp&nbsp&nbsp&nbsp&nbspResult.Right&nbsp:=&nbsp(Length(AHint)&nbsp*&nbsp5)&nbsp+&nbspApplication.Icon.Width;&nbsp<br>&nbsp&nbspResult.Bottom&nbsp:=&nbsp(Application.Icon.Height)&nbsp*&nbsp2;&nbsp<br>end;&nbsp<br><br>procedure&nbspTIconHintX.Paint;&nbsp<br>const&nbsp<br>&nbsp&nbspMARGIN&nbsp=&nbsp5;&nbsp<br>begin&nbsp<br>&nbsp&nbspinherited;&nbsp<br>&nbsp&nbspCanvas.Draw(MARGIN,&nbspMARGIN&nbsp*&nbsp5,&nbspApplication.Icon);&nbsp<br>&nbsp&nbspSendMessage(Handle,&nbspWM_NCPAINT,&nbsp0,&nbsp0);&nbsp//画提示栏边框&nbsp<br>end;&nbsp<br><br>initialization&nbsp<br>&nbsp&nbsp//把我们的新类设置为默认的提示栏类:&nbsp<br>&nbsp&nbspHintWindowClass&nbsp:=&nbspTIconHintX;&nbsp<br><br>end.&nbsp<br>{--代码结束--}&nbsp<br><br>&nbsp&nbsp&nbsp&nbsp为了看到效果,&nbsp把这个单元放置在你的应用程序的引用单元列表中。<br><br><br></span> 
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  中文开发在线<a href="http://www.codelphi.com" target="_blank">www.codelphi.com</a>授权使用。
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