treemenu.shtml
来自「mfc资源大全包含MFC编程各个方面的源码」· SHTML 代码 · 共 146 行
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<HTML><HEAD> <META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=iso-8859-1"> <META NAME="Author" CONTENT="B. Gage Renzi"> <TITLE>TreeView - TreeMenuFrame 1.0</TITLE></HEAD><body background="/fancyhome/back.gif" bgcolor="#FFFFFF"><!-- A word from our sponsors... --><table WIDTH="100%"><tr WIDTH="100%"><td align=center><!--#exec cgi="/cgi/ads.cgi"--><td></tr></table><CENTER><H3><FONT COLOR="#AOAO99">A Control like IE 4's Favorites/History/Channels View</FONT></H3></CENTER><HR>This article was contributed by <A HREF="mailto:raip@csi.com">Rainer Pfitzner</A>.<p>Everyone knows the new menu-like left pane view's in IE4.But did you know that this is only a extended TreeView?You can do this by using CUSTONDRAW notification in the new from <strong>CTreeCtrl</strong> derived class.I called it <strong>CTreeMenu</strong>. To do this is quite easy. See an code extract below.<br>But note: This works only with the extended TreeCtrl that comes with IE4.You can use my wrapper class or the one from <A HREF="mailto:lbarreira@ip.pt">Luis Barreira</A> IE4 Classes. This should also work, but I didn't test it.Also on <A HREF="http://www.codeguru.com">Codeguru's Webpage</A>.<br><br>I wrote a class, that makes the handling pretty easy. Included are a Button to close the view and some Bevel stuff to be uptodate with the Windows style.There is also a self RegisterClass() function to use as a CustomControl on Dialog Templates.<br><br>The Frame use the <strong>SizingControlBar</strong> from <A HREF="mailto:cristi@gds.ro">Cristi Posea</A>also found here on <A HREF="http://www.codeguru.com">Codeguru's Webpage</A>.<br><br>See more details in code comments.</p><P><IMG SRC="treemenu.gif" ></P><PRE><TT><FONT COLOR="#990000">void CTreeMenu::OnCustomDraw(NMHDR* pNMHDR, LRESULT* pResult) { NMTVCUSTOMDRAW *pTVCD = (NMTVCUSTOMDRAW*)pNMHDR; CDC* pDC = CDC::FromHandle(pTVCD->nmcd.hdc); // The rect for the cell gives correct left and right values. CRect rect = pTVCD->nmcd.rc; // By default set the return value to do the default behavior. *pResult = 0; switch( pTVCD->nmcd.dwDrawStage ) { // First stage (for the whole control) case CDDS_PREPAINT: { *pResult = CDRF_NOTIFYITEMDRAW; } break; // Stage three (called for each subitem of the focused item) case CDDS_ITEMPREPAINT | CDDS_SUBITEM: { *pResult = CDRF_NOTIFYSUBITEMDRAW | CDRF_NOTIFYPOSTPAINT; } break; // Stage four (called for each subitem of the focused item) case CDDS_ITEMPOSTPAINT | CDDS_SUBITEM: { *pResult = CDRF_SKIPDEFAULT; } break; default: // Stage two handled here. (called for each item) if (pTVCD->nmcd.uItemState & CDIS_HOT) { pDC->Draw3dRect( &rect, m_clr3DHilight, m_clr3DShadow ); pDC->SetBkColor(GetBkColor()); pDC->SetTextColor(RGB(0,0,255)); // Tell the control that to draw it again. *pResult = CDRF_NOTIFYPOSTPAINT; } if (pTVCD->nmcd.uItemState & CDIS_SELECTED) { *pResult = CDRF_SKIPDEFAULT; } if( (pTVCD->nmcd.uItemState & CDIS_FOCUS) ) { pDC->Draw3dRect( &rect, m_clr3DShadow, m_clr3DHilight ); pDC->SetBkColor(m_clrSelBkColor); pDC->SetTextColor(m_clrSelTextColor); *pResult = CDRF_NOTIFYPOSTPAINT; } if( (pTVCD->nmcd.uItemState & CDIS_CHECKED) ) { *pResult = CDRF_DODEFAULT; } break; }}</FONT></TT></PRE><p><A HREF="TreeMenuDemo.zip">Download demo - 70KB</A><p>P.S: Did everyone has successfull experienced with the new pager control (see latest "commctrl.h"), please send a notice to <A HREF="mailto:raip@csi.com">Rainer Pfitzner</A></p><p>Date Posted: 05/13/98<P><HR><TABLE BORDER=0 WIDTH="100%"><TR><TD WIDTH="33%"><FONT SIZE=-1><A HREF="http://www.codeguru.com">Goto HomePage</A></FONT></TD><TD WIDTH="33%"><CENTER><FONT SIZE=-2>© 1998 Zafir Anjum</FONT> </CENTER></TD><TD WIDTH="34%"><DIV ALIGN=right><FONT SIZE=-1>Contact me: <A HREF="mailto:zafir@home.com">zafir@home.com</A> </FONT></DIV></TD></TR></TABLE><CENTER><FONT SIZE=-2>261</FONT></CENTER></BODY></HTML>⌨️ 快捷键说明
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