MFC如何在主线程中向view类发消息或是其他类向主框架类发消息

向主框架类发送消息

                 CMainFrame *pFrame;

pFrame = (CMainFrame*)AfxGetMainWnd();
flag3D = !flag3D;
GetDlgItem(IDC_BUTTON_3DSHOWPure)->SetWindowTextW(_T("CLOSE"));
PostMessageA(pFrame->m_hWnd, MY_MSG3D, 1, 0);

                 

                 在其他的类中向主线程的view类发送消息

CMainFrame *pMain = (CMainFrame*)AfxGetApp()->m_pMainWnd;
CvtkmfcView *pView = (CvtkmfcView *)pMain->GetActiveView(); 
PostMessageA(pView->m_hWnd, WM_MSGView3DShow, 1, 0);