subject_38238.htm

vc

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序号：38238 发表者：YLZ 发表日期：2003-05-01 19:41:49
<br>主题：如何给文档类发消息？
<br>内容：::SendMessage(hwnd,message,WPARAM,LPARAM)<BR><BR>文档的hwnd是什么？
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回复者：烦恼多多 回复日期：2003-05-02 08:26:42
<br>内容：hWnd Property<BR>Indicates the window handle to the control. <BR><BR>Available With<BR>&amp;Ouml; Imaging for Windows Professional Edition V1.0, V1.1, and V2.0 <BR>&amp;Ouml; Imaging for Windows 95 and 98 <BR>&amp;Ouml; Imaging for Windows NT 4.0 <BR><BR><BR>Applies To<BR>Image Annotation Tool Button control, Image Edit control, Image Thumbnail control<BR><BR>Syntax<BR>object.hWnd<BR><BR>Data Type<BR>Long<BR><BR>Remarks<BR>Available at run-time as read-only<BR>
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<font color=red>答案被接受</font><br>回复者：晚风也渡 回复日期：2003-05-02 12:03:19
<br>内容：可以先取得指向文档类的指针pDoc，然后调用<BR>pDoc-&gt;SendMessage(message,WPARAM,LPARAM);<BR><BR>通过这种方法取得指向文档类的指针pDoc：<BR>CxxDoc *pDoc = (CxxDoc*)(((CFrameWnd*)AfxGetMainWnd())-&gt;GetActiveFrame())-&gt;GetActiveDocument();
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