dlg 上建立View的方法

61. dlg 上建立View的方法：

OnInitDialog()
{
　CDialog:;OnInitDialog();

CRect rectWindows;
GetWinodwRect(&rectWindows);
CRuntimeClass *pViewClass=RUNTIME_CLASS(CXXXView);
CCreateContext *pContext=new CCreateContext;
pContext->m_pCurrentDoc=NULL;
pContext->m_pCurrentFrame=NULL;
pContext->m_pLastView=NULL;
pContext->m_pNewDocTemplate=NULL;
pContext->m_pNewViewClass=pViewClass;

CWnd *pWnd=DYNAMIC_DOWNCAST(CWnd,pviewClass->CreateObject());
pWnd->Create(NULL,NULL,AFX_WS_DEFAULT_VIEW,CRect(0,0,0,0),this,pContext);
delete pContext;
CXXXView *pView=DYUNAMIC_DOWNCAST(CXXXView,pWnd);
...............
}