Re: MFC and User Defined objects
You want to make sure the dialog was created first by calling Create or
DoModal(). I'd make the call to set the handle in the thread inside the
OnInitDialog() function.
Tom
"one-trick-pony" <worldofpain.aamir@gmail.com> wrote in message
news:1173877249.518150.45990@b75g2000hsg.googlegroups.com...
Thanks for help,
I got it to work. Everything seems to be fine. I am able to post
messages to main gui thread produced inside user defined object.
However, I am a unsure of how and where is the appropriate place to
retrieve the main gui window handle. Is it done inside the adapter
that converts C win32 api to C++ and vice versa? Or do I retrieve
handle before thread creation?
Currently, I am retreiving main gui window handle just before running
code for thread creation. I tried retrieving handle using the code
below without success.
CString a;
CDummyDlg i;
HWND h = i.m_hWnd;
a.Format("i.m_hWnd %d", h);
AfxMessageBox(a);
This code fails. I don't understand why. It always gets 0 as
handle. What am I doing wrong? The code listed below works . I get
a valid window handle. But why can't I retrieve the handle using
above method? To me above code seems more logical.
HWND mywin;
mywin = ::FindWindow(0,"Dummy");
a.Format("Window Handle %d", mywin);
AfxMessageBox(a);
The other thing is I decalared mywin as a global variable. Because
otherwise, I get failure inside my c->c++ adapter code. It reports
that mywin is undeclared.
// Adapter code
UINT CDummyDlg::tMain(LPVOID p)
{
CDummyDlg * self = (CDummyDlg *)p;
self->tMain(mywin); <<< Here it says undeclared variable if I don't
make mywin global variable.
return 0;
}
If you guys eliminate some mysteries on how to appropriately construct
my code, that will help me become a better coder. Thanks.
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