MFC中利用树形控件在主对话框当中嵌入子对话框

这里首先声明，在此使用的是VC6.0编译器。下面直接讲述步骤，关于原理性的东西请大家看书。(1)新建一个基于对话框的MFC应用程序，程序名取为test(2)拖入一个树形控件(TreeControl)和一个picture控件,tear并把两者的ID名称更改为ID_Tree_Sel和ID_STATIC_BTNAREA，并在属性中把前者的Styles更改如下

TreeCotLirolFroperties®TGeneralStylesjMoreStyles|ExtendedStylesHasbuttonsr~EdiilabetsShowselectionaiu/aysaHaslin令sDisabledra^drop▽Linesatroot。Border把后者的Notify属性打上勾(3)按ctrl+W打开ClassWizard,在MemberVariables中为ID_Tree_Sel添加变量m_tree,为ID_STATIC_BTNAREA添加变量m_area(这个变量这里没有用到，可以不添加)略ClL!3lil=lEd[T]贸MessageMup?WemtitrFVarisb[esI|ActiveXEvents|ClassInfo|Erojccr;Qgsname：AddlC]aaB..^〜test*■CTeelDIq=§CoiklrulFvpeMemberAddfirlctt:VariatilrIDCSTArtC0T+UREACSIb^emaiibaUpdslBCuluiinicE?hidAlliDC_TREE_SEL1DCANCELIDOKCTra-fiCWlm_lrecDcsoripiriofi：m»pIoCStalkmemlb^rOKCancc-I⑷新建两个对话框,ID分别为ID_DIALOG1和ID_DIALOG2,并均按下图更改属性Style为child和Border为None。然后在这两个子对话框上分别添加一行文字^ThisisDialog1”和”ThisisDialog2”ThisisDialog1(5)在子对话框1上单击右键，进入classwizard，会弹出一个如下图的AddingaClass对话框问你是否建立一个类，选择Createanewclass，然后点击OK，在随后出现的对话框中Name:中输入CDlg1，点击OKIEIErojed：Wffbit™Variableill：(dinnil!CdaItdEIDs'IDC^STATC旧tDCANCELIDOh；Cancel同样，为第二个子对话框建立一个CDlg2的类(6)进入testDlg.h文件中，在文件开头加入以下代码#include"Dlg1.h"#include"Dlg2.h"然后新增两个protected类型的变量m_Dlg1和m_Dlg2CDlg1m_Dlg1;CDlg2m_Dlg2;转入testDlg.cpp文件中，在OnInitDialog()中加入以下代码BOOLCTestDlg::OnInitDialog(){CDialog::OnInitDialog();//Add"About..."menuitemtosystemmenu.//IDM_ABOUTBOXmustbeinthesystemcommandrange.ASSERT((IDM_ABOUTBOX&0xFFF0)==IDM_ABOUTBOX);ASSERT(IDM_ABOUTBOX<0xF000);CMenu*pSysMenu=GetSystemMenu(FALSE);if(pSysMenu!=NULL){CStringstrAboutMenu;strAboutMenu.LoadString(IDS_ABOUTBOX);if(!strAboutMenu.IsEmpty()){pSysMenu->AppendMenu(MF_SEPARATOR);IDM_ABOUTBOX,pSysMenu->AppendMenu(MF_STRING,IDM_ABOUTBOX,strAboutMenu);}}//Settheiconforthisdialog.Theframeworkdoesthisautomatically//whentheapplication'smainwindowisnotadialogSetIcon(m_hIcon,TRUE);//SetbigiconSetIcon(m_hIcon,FALSE);//Setsmallicon//TODO:Addextrainitializationherem_tree.DeleteAllItems();m_tree.InsertItem("对话框1");m_tree.InsertItem("对话框2");m_Dlg1.Create(IDD_DIALOG1,this);m_Dlg2.Create(IDD_DIALOG2,this);//根据获得主对话框上图片控件的尺寸，将子对话框嵌入到主对话框中CRectr;GetDlgItem(IDC_STATIC_BTNAREA)->GetWindowRect(r);ScreenToClient(r);GetDlgItem(IDC_STATIC_BTNAREA)->DestroyWindow();/这里可以把图形控件销毁了，否则子对话框将不会响应你的鼠标消息*///定位属性页m_Dlg1.MoveWindow(r);m_Dlg2.MoveWindow(r);//根据所要显示的控件进行对话框的消隐工作m_Dlg1.ShowWindow(SW_HIDE);//显示第一个子对话框m_Dlg2.ShowWindow(SW_HIDE);returnTRUE;//returnTRUEunlessyousetthefocustoacontrol}(7)进入ClassWizard，接下来我们需要为m_tree添加事件响应代码■it.ClaMessageMaps函肥ct：ahfecEID«i：^TeitDiyl&C_STATC_BTMARFAIDCrRLLSELHOCANCELIDOKprTir^Mi-■：L^iiori'tbvimJVM[rTgf；SPAJWED■it.ClaMessageMaps函肥ct：ahfecEID«i：^TeitDiyl&C_STATC_BTMARFAIDCrRLLSELHOCANCELIDOKprTir^Mi-■：L^iiori'tbvimJVM[rTgf；SPAJWEDTVMrTEhfEXPAhTDINGIVN.KEYOOWHWMSELCHANCEDtvm"sei.changing1VMSErDlSPlNFOMembertunEUonv；VDaDntsLxchongcW加1响。间凹WOmPaintWOnOueiy{)ragIconWOFiSjf^iCnmiiiendOMWMJNITDIALfliGONWMPRINTon^wmIquervdragicon」ONWMSVSCGMMAMDDtiSErjpliaii：InrlieMe^thnllheQ^leelionchangcdImmone-ItE-nnIdanalherAddFiindion...EdElCodeNM_TREEVIEW*pNMTreeView=(NM_TREEVIEW*)pNMHDR;TVITEMitem0=pNMTreeView->itemNew;CStringstr=m_tree.GetItemText(item0.hItem);if(str.Compare(_T('对话框1"))==0){m_Dlg1.ShowWindow(SW_SHOW);//显示第一个子对话框m_Dlg2.ShowWindow(SW_HIDE);//l藏第二个子对话框}else{m_Dlg1.ShowWindow(SW_HIDE);//l藏第一个子对话框m_Dlg2.ShowWindow(