获得view指针
单文档
CFrameWnd* pMainWnd = (CFrameWnd*)AfxGetApp()->m_pMainWnd;
CXXXView* pViewWnd = pMainWnd->GetActiveView();
多文档
((CFrameWnd*)(AfxGetApp()->m_pMainWnd))->GetActiveFrame()->GetActiveView();
CFrameWnd* pMainWnd = (CFrameWnd*)AfxGetApp()->m_pMainWnd;
CXXXView* pViewWnd = pMainWnd->GetActiveView();
多文档
((CFrameWnd*)(AfxGetApp()->m_pMainWnd))->GetActiveFrame()->GetActiveView();