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📄 subject_18439.htm

📁 一些关于vc的问答
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序号:18439 发表者:Grant 发表日期:2002-10-21 01:38:45
<br>主题:怎样枚举在Taskbar上的窗口?
<br>内容:我试过EnumWindows,通过Get它的WindowStyle,但是不行。也想过用EnumThreadWindows,可是枚举不出系统的Process,更不用说ThreadWindow了。还有其他办法吗?
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回复者:iwill 回复日期:2002-10-21 07:54:33
<br>内容://列出所有进程<BR>HANDLE snapshothandle=CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS,0);<BR>PROCESSENTRY32 processentry;<BR>processentry.dwSize=sizeof(PROCESSENTRY32);<BR>BOOL finded=Process32First(snapshothandle,&processentry);<BR>while(finded!=NULL)<BR>{<BR>&nbsp;&nbsp;&nbsp;&nbsp;//processentry中返回进程信息<BR>&nbsp;&nbsp;&nbsp;&nbsp;finded=Process32Next(snapshothandle,&processentry);<BR>}<BR>CloseHandle(snapshothandle);
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<font color=red>答案被接受</font><br>回复者:徐景周 回复日期:2002-10-21 10:41:06
<br>内容:<BR>void CRegOCXDlg::OnShowdesktop() <BR>{<BR>// 寻找桌面上正运行的所有窗本,并将正显示的存储到数组pWnd[]中<BR>CWnd *pWnd[MAXNUM_RUNWINDOW], *pWndCur;<BR>int nWndNum = 0;<BR><BR>&nbsp;&nbsp;pWnd[nWndNum]= GetWindow(GW_HWNDFIRST);<BR>&nbsp;&nbsp;while (pWnd[nWndNum] != NULL)<BR>&nbsp;&nbsp;{<BR>&nbsp;&nbsp; pWndCur = pWnd[nWndNum];<BR>&nbsp;&nbsp; CString str;<BR>&nbsp;&nbsp; pWndCur-&gt;GetWindowText(str);<BR>&nbsp;&nbsp; if (pWndCur-&gt;IsWindowVisible() && ! pWndCur-&gt;IsIconic() &&! pWndCur-&gt;GetParent() &&pWndCur != this &&pWndCur != GetDesktopWindow() &&! str.IsEmpty() &&str != "Program Manager")<BR>&nbsp;&nbsp; {<BR>&nbsp;&nbsp;&nbsp;&nbsp;// 列表数中窗体数加一<BR>&nbsp;&nbsp;&nbsp;&nbsp;nWndNum++;<BR>&nbsp;&nbsp;&nbsp;&nbsp;// 为了安全起见,窗体数不应超过总窗体数!!<BR>&nbsp;&nbsp;&nbsp;&nbsp;nWndNum = min(nWndNum, MAXNUM_RUNWINDOW-1);<BR>&nbsp;&nbsp; }<BR>&nbsp;&nbsp; pWnd[nWndNum] = pWndCur-&gt;GetWindow(GW_HWNDNEXT);<BR>&nbsp;&nbsp;}<BR><BR>&nbsp;&nbsp;if (nWndNum)<BR>&nbsp;&nbsp;{<BR>&nbsp;&nbsp;// 将正在运行的所有桌面窗体最小化<BR>&nbsp;&nbsp;for (int i=0; i&lt;nWndNum;++i)<BR>&nbsp;&nbsp;{<BR>&nbsp;&nbsp; pWnd[i]-&gt;ShowWindow(SW_SHOWMINNOACTIVE);<BR>&nbsp;&nbsp; m_pWnd[i] = pWnd[i];<BR>&nbsp;&nbsp;}<BR>&nbsp;&nbsp;m_nWndNum = nWndNum;<BR>&nbsp;&nbsp;}<BR>&nbsp;&nbsp;else<BR>&nbsp;&nbsp;{<BR>&nbsp;&nbsp;// 将已运行并被最小化的桌面窗体还原显示<BR>&nbsp;&nbsp;for (int i=m_nWndNum-1; i&gt;=0; --i)<BR>&nbsp;&nbsp;{<BR>&nbsp;&nbsp; if (::IsWindow(m_pWnd[i]-&gt;m_hWnd) &&<BR>&nbsp;&nbsp; m_pWnd[i]-&gt;IsIconic())<BR>&nbsp;&nbsp; {<BR>&nbsp;&nbsp;&nbsp;&nbsp;m_pWnd[i]-&gt;ShowWindow(SW_RESTORE);<BR>&nbsp;&nbsp;&nbsp;&nbsp;m_pWnd[i]-&gt;UpdateWindow();<BR>&nbsp;&nbsp; }<BR>&nbsp;&nbsp;}<BR>&nbsp;&nbsp;}<BR>&nbsp;&nbsp;//将控件注册器的窗体提到最前<BR>&nbsp;&nbsp;SetForegroundWindow();<BR>}
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回复者:徐景周 回复日期:2002-10-21 11:16:15
<br>内容:可参看下面:<BR><BR>http://www.copathway.com/cndevforum/subject_view.asp?subject_id=16544&forum_id=
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回复者:Grant 回复日期:2002-10-21 17:35:46
<br>内容:谢谢两位,iwill,我不知道怎么才能把分数分给你, soryy!
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