(CChildView *)pFrame->GetActiveView()返回0怎么回事

Question

CMainFrame *pFrame=(CMainFrame *)AfxGetMainWnd();
CChildView *pView=(CChildView *)pFrame->GetActiveView();pFrame正确，可是pView为0怎么回事

Answer 1

CChildView * pView =STATIC_DOWNCAST(CChildView ,this->GetActiveFrame()->GetActiveView());

Answer 2

http://support.microsoft.com/kb/129649
http://msdn2.microsoft.com/en-us/library/zs0t7t34(VS.80).aspx

Answer 3

看着代码没有问题啊。是否是没有active View啊？

Answer 4

http://topic.csdn.net/t/20031108/11/2440102.html

Answer 5

是否使用别的DLL了？可以用如下方法解决， CMainFrame   *pFrm   = (CMainFrame   *)  theApp.m_pMainWnd;
CView   *pView   =   pFrm->GetActiveView();