using SetDlgItemInt function

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Hi..
I cannot use this code

C++

CMyView::OnLButtonDown(UINT nFlags, CPoint point)
{
 dialg.DoModal();
 HWND hdlg = FindWindow(NULL,_T("Dialog"));
 SetDlgItemInt(hdlg, IDC_EDIT2, 100, true);
 if(IDOK)
 {
 }
}

SetDlgItemInt function doesnot take 4 arguments and FindWindow cannot convert to HWND to CWnd*. Does anyone know how to declare SetDlgItemInt func and how to handle a dialog window? Thank You

Posted 10-Jan-12 15:41pm

Kay Andrian Fikar

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«_Superman_» · Answer 1 · 2012-01-10T15:55:00

What is happening here is that you're trying to call the FindWindow and SetDlgItemInt APIs.
But these functions also exist as methods of the CWnd class.
Your CMyView class indirectly inherits from CWnd and so it is trying to invoke the CWnd member functions rather than the APIs.
Both versions have slightly different set of parameters.

There are 2 things that you could do to solve this issue.
You could either change the parameters to use the CWnd version.
Or simply scope the functions so that it uses the global scope (APIs come under global scope).

So you're code should look like this -

CMyView::OnLButtonDown(UINT nFlags, CPoint point)
{
 dialg.DoModal();
 HWND hdlg = ::FindWindow(NULL,_T("Dialog"));
 ::SetDlgItemInt(hdlg, IDC_EDIT2, 100, true);
 if(IDOK)
 {
 }
}