I use AfxBeginThread to start a thread. The view class pointer is required in the thread function, but there will be mem

lplp80131

He runs in debug mode
You try it in release mode

caesar517

Upstairs, it doesn't work, there is no assertion error, but a dialog box pops up, and the program needs to end if there is a problem: (

caesar517

I want to send a message to the view class in the thread function of the dialog box class so that the view class can receive the message and draw pictures. How do I pass the handle?
Are there any related code posts?
Many thanks!

lplp80131

Oh
When you create a new thread, pass the view pointer to be drawn into the thread
Then you can operate in the thread

caesar517

CMDIFrameWnd *pMain=(CMDIFrameWnd *)AfxGetApp()->m_pMainWnd
CMDIChildWnd *pChild=(CMDIChildWnd *)pMain->GetActiveFrame
CMyView *pView=(CMyView *)pChild->GetActiveView();

m_draw=AfxBeginThread(DrawGraph,(void *)pView,THREAD_PRIORITY_BELOW_NORMAL,\
0,CREATE_SUSPENDED);
UINT DrawGraph(LPVOID lpV)
{
CMyView *pDraw=(CMyView *)lpV;
...
...
return 0;
}
Then do I get the view class pointer like this? Can I call the view class member variables and member functions again?