subject_23670.htm

一些关于vc的问答

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序号：23670 发表者：brown 发表日期：2002-12-05 18:41:52
<br>主题：請問如何讓 vc 產生的 MDI 骨幹不主動 new 一份 doc?
<br>内容：我用 vc wizard 產生一份 MDI 骨幹，執行時他都會出現 一個 child window.<BR>請問我應該在何處修改，讓他不會自動產生哪？我想作自己的view 與 doc。我想做一個經<BR>RS232 控制 51ICE 的程式。 看來還有一大段路要走。<BR>謝謝。<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：2002-12-05 18:54:28
<br>内容：在CXXApp::InitInstance()中的<BR>CCommandLineInfo cmdInfo;<BR> ParseCommandLine(cmdInfo);中间加入<BR>cmdInfo.m_nShellCommand=CCommandLineInfo::FileNothing;
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回复者：tjhe 回复日期：2002-12-05 18:58:52
<br>内容：在应用程序类***App的InitInstance()函数中的如下语句：<BR>// Dispatch commands specified on the command line<BR>if (!ProcessShellCommand(cmdInfo))<BR>&nbsp;&nbsp; return FALSE;<BR>前加一句&nbsp;&nbsp;&nbsp;&nbsp;cmdInfo.m_nShellCommand = CCommandLineInfo::FileNothing;<BR><BR>即：<BR>&nbsp;&nbsp;&nbsp;&nbsp;cmdInfo.m_nShellCommand = CCommandLineInfo::FileNothing;<BR><BR>&nbsp;&nbsp;&nbsp;&nbsp;// Dispatch commands specified on the command line<BR>&nbsp;&nbsp;&nbsp;&nbsp;if (!ProcessShellCommand(cmdInfo))<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;return FALSE;<BR>
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回复者：brown 回复日期：2002-12-06 08:00:36
<br>内容：Hi,<BR>&nbsp;&nbsp;晚风也渡 與 tjhe. 謝謝兩位的回答，<BR>兩位的方法都可行，我要查看看他們的差異在哪裡。<BR>謝謝。<BR><BR>Brown.
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回复者：brown 回复日期：2002-12-06 08:23:45
<br>内容：Hi,<BR>&nbsp;&nbsp;晚风也渡 與 tjhe.<BR>我在 MSDN 裡找到如下敘述，所以是 tjhe 的方式為 MSDN 裡的建議.<BR>我想晚风也渡 是提前設定，但仍然是到了ProcessShellCommand(cmdInfo)<BR>才發生作用.<BR>謝謝兩位。<BR><BR>CCommandLineInfo::FileNothing&nbsp;&nbsp; Turns off the display of a new MDI child window on startup. By design, AppWizard generated MDI applications display a new child window on startup. To turn off this feature, an application can use CCommandLineInfo::FileNothing as the shell command when calling ProcessShellCommand. ProcessShellCommand is called by the InitInstance( ) of all CWinApp derived classes. <BR>Example<BR><BR>BOOL CMyWinApp::InitInstance()<BR>{<BR>...<BR>// Parse command line for standard shell commands, DDE, file open<BR>&nbsp;&nbsp; CCommandLineInfo cmdInfo;<BR>&nbsp;&nbsp; ParseCommandLine(cmdInfo);<BR>// DON'T display a new MDI child window during startup!!!<BR>&nbsp;&nbsp; cmdInfo.m_nShellCommand = CCommandLineInfo::FileNothing;<BR>// Dispatch commands specified on the command line<BR>&nbsp;&nbsp; if (!ProcessShellCommand(cmdInfo))<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;return FALSE;<BR>...<BR>};<BR><BR>
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