本文共 2635 字,大约阅读时间需要 8 分钟。
1、获取应用程序指针
CMyApp* pApp=(CMyApp*)AfxGetApp();2、获取主框架指针
CWinApp 中的公有成员变量 m_pMainWnd 就是主框架的指针 CMainFrame* pMainFrame = (CMainFrame*)(AfxGetApp()->m_pMainWnd); 或者 CMainFrame* pMainFrame = (CMainFrame*)AfxGetMainWnd();3、获取菜单指针
CMenu* pMenu = AfxGetMainWnd()->GetMenu();4、获取工具栏、状态栏指针
主框架中可以直接使用m_wndToolBar、m_wndStatusBar 其他:CToolBar* pToolBar = (CToolBar*)AfxGetMainWnd()->GetDescendantWindow(AFX_IDW_TOOLBAR);
CStatusBar* pStatusBar = (CStatusBar*)AfxGetMainWnd()->GetDescendantWindow(AFX_IDW_STATUS_BAR);5、获取控件指针
先用 GetDlgItem() 再转换,如:CButton* pButton = (CButton*)GetDlgItem(IDC_MYBUTTON);
6、通过框架获取文档、视图指针
SDI:
CMainFrame* pMainFrame = (CMainFrame*)AfxGetMainWnd(); CYourDoc* pDoc = (CYourDoc*)pMainFrame->GetActiveDocument(); CYourView* pView = (CYourView*)pMainFrame->GetActiveView();MDI:
CMainFrame* pMainFrame = (CMainFrame*)AfxGetMainWnd(); CChildFrame* pChildFrame = (CChildFrame*)pMainFrame->GetActiveFrame(); CYourDoc* pDoc = (CYourDoc*)pChildFrame->GetActiveDocument(); CYourView* pView = (CYourView*)pChildFrame->GetActiveView();7、文档、视图
从视图获取文档指针:
CYourDoc* pDoc = GetDocument();从文档获取视图指针:
利用成员函数 GetFirstViewPosition() 和 GetNextView() 遍历 virtual POSITION GetFirstViewPosition() const; virtual CView* GetNextView(POSITION& rPosition) const;SDI:
CYourView* pView; POSITION pos = GetFirstViewPosition(); pView = GetNextView(pos);MDI:
定义函数
CView* CYourDoc::GetView(CRuntimeClass* pClass){
CView* pView;
POSITION pos=GetFirstViewPosition(); while(pos!=NULL) { pView=GetNextView(pos); if(!pView->IsKindOf(pClass)) break; } if(!pView->IsKindOf(pClass)) { AfxMessageBox("Connt Locate the View."); return NULL; } return pView; }使用如下:
CYourView* pView=(CYourView*)GetView(RUNTIME_CLASS(CYourView));8、文档模版、文档
从文档获取文档模版指针:
CDocTemplate* GetDocTemplate() const;从文档模版获取文档指针:
viaual POSITION GetFirstDocPosition( ) const = 0; visual CDocument* GetNextDoc(POSITION & rPos) const = 0;9、获取分割视图中各个视图的指针
主框架中定义:CSplitterWnd m_wndSplitter;
定义两个View类():CView1、CView2
框架类中重载:
BOOL CMainFrame::OnCreateClient(LPCREATESTRUCT, CCreateContext* pContext) { VERIFY(m_splitter.CreateStatic(this,2,1)); //分割成两行一列 VERIFY(m_splitter.CreateView(0,0,RUNTIME_CLASS(CView1),CSize(100,100),pContext)); //窗口1 由CView1负责VERIFY(m_splitter.CreateView(1,0,RUNTIME_CLASS(CView2),CSize(100,100),pContext)); //窗口2 由CView2负责
return TRUE; }获取分割视图指针
CView1* pView1 = (CView1*)m_wndSplitter.GetPane(0,0); CView2* pView2 = (CView2*)m_wndSplitter.GetPane(1,0);附:
MFC中获取窗口句柄方法:
http://blog.csdn.net/xiaoyun8822/article/details/7939605
--------------------- 作者:_北方的雪_ 来源:CSDN 原文:https://blog.csdn.net/wingofeagle/article/details/8970663 版权声明:本文为博主原创文章,转载请附上博文链接!