subject_19101.htm

一些关于vc的问答

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序号：19101 发表者：Cliff Ashley 发表日期：2002-10-25 13:56:52
<br>主题：怎样写窗口右上角几个按钮的响应函数？
<br>内容：就是最小化、最大化和关闭按钮，想自己处理，怎么办？谢谢
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<font color=red>答案被接受</font><br>回复者：徐景周 回复日期：2002-10-25 14:19:01
<br>内容：参看源码：<BR>http://www.copathway.com/itbookreview/view_paper.asp?paper_id=317<BR><BR>如下：<BR>// ---------------------------------------------------------<BR>//&nbsp;&nbsp;&nbsp;&nbsp;名称: OnExit<BR>//&nbsp;&nbsp;&nbsp;&nbsp;功能: 自定义系统菜单<BR>//&nbsp;&nbsp;&nbsp;&nbsp;变量: 无<BR>//&nbsp;&nbsp;&nbsp;&nbsp;返回: 无<BR>//&nbsp;&nbsp;&nbsp;&nbsp;编写: 徐景周，2002.4.8<BR>// ---------------------------------------------------------<BR>void CMainFrame::OnExit() <BR>{<BR>&nbsp;&nbsp;&nbsp;&nbsp;SendMessage(WM_CLOSE);<BR>&nbsp;&nbsp;&nbsp;&nbsp;<BR>}<BR><BR>// ---------------------------------------------------------<BR>//&nbsp;&nbsp;&nbsp;&nbsp;名称: OnMaximum<BR>//&nbsp;&nbsp;&nbsp;&nbsp;功能: 自定义系统菜单<BR>//&nbsp;&nbsp;&nbsp;&nbsp;变量: 无<BR>//&nbsp;&nbsp;&nbsp;&nbsp;返回: 无<BR>//&nbsp;&nbsp;&nbsp;&nbsp;编写: 徐景周，2002.4.8<BR>// ---------------------------------------------------------<BR>void CMainFrame::OnMaximum() <BR>{<BR>&nbsp;&nbsp;&nbsp;&nbsp;CPoint pt;<BR>&nbsp;&nbsp;&nbsp;&nbsp;GetCursorPos(&pt);<BR><BR>&nbsp;&nbsp;&nbsp;&nbsp;if (IsZoomed())<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;SendMessage(WM_SYSCOMMAND, SC_RESTORE, MAKELPARAM(pt.x, pt.y));<BR>&nbsp;&nbsp;&nbsp;&nbsp;else<BR>&nbsp;&nbsp;&nbsp;&nbsp;{<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;SendMessage(WM_SYSCOMMAND, SC_MAXIMIZE, MAKELPARAM(pt.x, pt.y));<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Invalidate();<BR>&nbsp;&nbsp;&nbsp;&nbsp;}<BR>}<BR><BR>// ---------------------------------------------------------<BR>//&nbsp;&nbsp;&nbsp;&nbsp;名称: OnMinimize<BR>//&nbsp;&nbsp;&nbsp;&nbsp;功能: 自定义系统菜单<BR>//&nbsp;&nbsp;&nbsp;&nbsp;变量: 无<BR>//&nbsp;&nbsp;&nbsp;&nbsp;返回: 无<BR>//&nbsp;&nbsp;&nbsp;&nbsp;编写: 徐景周，2002.4.8<BR>// ---------------------------------------------------------<BR>void CMainFrame::OnMinimize() <BR>{<BR>&nbsp;&nbsp;&nbsp;&nbsp;CPoint pt;<BR>&nbsp;&nbsp;&nbsp;&nbsp;GetCursorPos(&pt);<BR><BR>&nbsp;&nbsp;&nbsp;&nbsp;SendMessage(WM_SYSCOMMAND, SC_MINIMIZE, MAKELPARAM(pt.x, pt.y));<BR>&nbsp;&nbsp;&nbsp;&nbsp;<BR>}<BR>
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回复者：Cliff Ashley 回复日期：2002-10-25 14:53:21
<br>内容：这是SDI程序的响应事件吧。<BR>我是一个Dialog，没有OnMinimize之类的响应啊：（
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回复者：Cliff Ashley 回复日期：2002-10-25 15:08:26
<br>内容：谢谢，得到你的启发，我改写了OnSysCommand函数，搞定了
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