subject_15631.htm

一些关于vc的问答

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序号：15631 发表者：lhbnj 发表日期：2002-09-19 23:44:01
<br>主题：能否定义一个对话框类可以调用多个对话框窗口？
<br>内容：能否定义一个对话框类，只要指定不同的对话框ID，可以调用不同的对话框窗口？<BR>当然，这些对话框中的控件ID是重复的！
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回复者：小戟 回复日期：2002-09-20 08:23:42
<br>内容：可以的
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回复者：lhbnj 回复日期：2002-09-20 09:20:54
<br>内容：如何做？能否给个例子？
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<font color=red>答案被接受</font><br>回复者：Aikoc 回复日期：2002-09-20 17:06:45
<br>内容：BOOL CMEDesktopApp::InitInstance()<BR>{<BR>&nbsp;&nbsp;&nbsp;&nbsp;AfxEnableControlContainer();<BR><BR>&nbsp;&nbsp;&nbsp;&nbsp;// Standard initialization<BR>&nbsp;&nbsp;&nbsp;&nbsp;// If you are not using these features and wish to reduce the size<BR>&nbsp;&nbsp;&nbsp;&nbsp;//&nbsp;&nbsp;of your final executable, you should remove from the following<BR>&nbsp;&nbsp;&nbsp;&nbsp;//&nbsp;&nbsp;the specific initialization routines you do not need.<BR><BR>#ifdef _AFXDLL<BR>&nbsp;&nbsp;&nbsp;&nbsp;Enable3dControls();&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;// Call this when using MFC in a shared DLL<BR>#else<BR>&nbsp;&nbsp;&nbsp;&nbsp;Enable3dControlsStatic();&nbsp;&nbsp;&nbsp;&nbsp;// Call this when linking to MFC statically<BR>#endif<BR><BR>&nbsp;&nbsp;&nbsp;&nbsp;UINT nIDD = IDD_MEDESKTOP_DIALOG;<BR>&nbsp;&nbsp;&nbsp;&nbsp;int nHeight = GetSystemMetrics(SM_CXMAXIMIZED);<BR>&nbsp;&nbsp;&nbsp;&nbsp;// 1024*768<BR>&nbsp;&nbsp;&nbsp;&nbsp;if(nHeight &gt; 900)<BR>&nbsp;&nbsp;&nbsp;&nbsp;{<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;nIDD = IDD_MEDESKTOP_DIALOG;<BR>&nbsp;&nbsp;&nbsp;&nbsp;}<BR>&nbsp;&nbsp;&nbsp;&nbsp;// 800*600<BR>&nbsp;&nbsp;&nbsp;&nbsp;else if(nHeight &gt; 700)<BR>&nbsp;&nbsp;&nbsp;&nbsp;{<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;nIDD = IDD_MEDESKTOP_DIALOG_800;<BR>&nbsp;&nbsp;&nbsp;&nbsp;}<BR>&nbsp;&nbsp;&nbsp;&nbsp;// 640*480<BR>&nbsp;&nbsp;&nbsp;&nbsp;else<BR>&nbsp;&nbsp;&nbsp;&nbsp;{<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;nIDD = IDD_MEDESKTOP_DIALOG_600;<BR>&nbsp;&nbsp;&nbsp;&nbsp;}<BR>&nbsp;&nbsp;&nbsp;&nbsp;CMEDesktopDlg dlg(NULL,nIDD);<BR>&nbsp;&nbsp;&nbsp;&nbsp;m_pMainWnd = &dlg;<BR>&nbsp;&nbsp;&nbsp;&nbsp;int nResponse = dlg.DoModal();<BR>&nbsp;&nbsp;&nbsp;&nbsp;if (nResponse == IDOK)<BR>&nbsp;&nbsp;&nbsp;&nbsp;{<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;// TODO: Place code here to handle when the dialog is<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;//&nbsp;&nbsp;dismissed with OK<BR>&nbsp;&nbsp;&nbsp;&nbsp;}<BR>&nbsp;&nbsp;&nbsp;&nbsp;else if (nResponse == IDCANCEL)<BR>&nbsp;&nbsp;&nbsp;&nbsp;{<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;// TODO: Place code here to handle when the dialog is<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;//&nbsp;&nbsp;dismissed with Cancel<BR>&nbsp;&nbsp;&nbsp;&nbsp;}<BR><BR>&nbsp;&nbsp;&nbsp;&nbsp;// Since the dialog has been closed, return FALSE so that we exit the<BR>&nbsp;&nbsp;&nbsp;&nbsp;//&nbsp;&nbsp;application, rather than start the application's message pump.<BR>&nbsp;&nbsp;&nbsp;&nbsp;return FALSE;<BR>}<BR>
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