C / C++ / MFC

AndrewG1231 wrote:

//This part doesn't work

AndrewG1231 wrote:

It compiles fine, but in runtime the program crashes.

CWinSTMView *pView; // this does not point to any object so
pView->OnImageAutoPlane();  // this will fail

CWinSTMView *pView;
pView->OnImageAutoPlane();

// casting not provided
AfxGetApp()->GetMainWnd()->GetActiveView()->OnImageAutoPlane();
// or
AfxGetMainWnd()->GetActiveView()->OnImageAutoPlane();

// TODO: Add your control notification handler code here
    OnPlaceData();
    //Get the main window which doesn't have a view
    CMDIFrameWnd *pFrame =
             (CMDIFrameWnd*)AfxGetApp()->m_pMainWnd;

    // Get the active MDI child window.
    CMDIChildWnd *pChild =
             (CMDIChildWnd *) pFrame->GetActiveFrame();

    // Get the active view attached to the active MDI child
    // window.
    CWinSTMView *pView = (CWinSTMView *) pChild->GetActiveView();
    pView->OnImageAutoPlane();

void CWinSTMView::OnImageAutoPlane()
{

    CWinSTMDoc *pDoc = CreateNewDoc(GetDocument());

#define STRICT 1 
#include <windows.h>
#include <iostream.h>
 
VOID CALLBACK TimerProc(HWND hWnd, UINT nMsg, UINT nIDEvent, DWORD dwTime) 
{
   //put the stuff you want done in here

  cout << "Doing stuff Time: " << dwTime << '\n';
  cout << "--------------------------------------------------\n" ;
  cout.flush();
}
 
int main(int argc, char *argv[], char *envp[]) 
{
    int Counter=0;
    int usage_Time_millisec=500;
    MSG Msg;
 
    UINT TimerId = SetTimer(NULL, 0, usage_Time_millisec, &TimerProc); //bind TimerProc() to SetTimer() 
 
    cout << "TimerId: " << TimerId << '\n';

   if (!TimerId) return 16;
    
   while (GetMessage(&Msg, NULL, 0, 0)) 
   {
    	++Counter;
    	if (Msg.message == WM_TIMER)
		cout << "Doing stuff Counter: " << Counter << "; timer message\n";
    	else
		cout << "Doing stuff Counter: " << Counter << "; message: " << Msg.message << '\n';
    	DispatchMessage(&Msg);
   }
    
   KillTimer(NULL, TimerId);

return 0;

}