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How to modify file name in CFileDialog ?

Posted on 1998-04-17
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Last Modified: 2013-11-20
I'd like to change the file name in the CFileDialog each time the
file type is changed.  edt1 is the id of the edit box in FILEOPENORD.  Why
doesn't SendDlgItemText(edt1,"filename.ext") work & what  should I do
instead ?

class MyFileDialog : public CFileDialog
{
   public:
    MyFileDialog (BOOL bOpenFileDialog,LPCTSTR lpszDefExt, LPCTSTR
lpszFileName, DWORD dwFlags,LPCTSTR lpszFilter, CWnd* pParentWnd)
    : CFileDialog(bOpenFileDialog, lpszDefExt, lpszFileName, dwFlags,
lpszFilter, pParentWnd) {}
    virtual void OnTypeChange();
};

void MyFileDialog::OnTypeChange()
{
       SendDlgItemText(edt1,"filename.ext");
}

// MENU AND CONTROL COMMAND
BOOL SaveAs(CWnd *pWnd)
{
    static char szFilter[] = "Doc Files (*.doc)|*.doc|Text Files
(*.txt)|*.txt|All Files (*.*)|*.*||";

    MyFileDialog dlg(TRUE,"txt","*.txt",OFN_HIDEREADONLY |
OFN_CREATEPROMPT | OFN_EXPLORER,szFilter,pWnd);
     
if(dlg.DoModal()==IDOK && dlg.GetPathName()) {
TheApp.PathName=dlg.GetPathName();
    }
    return FALSE;
}


0
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Question by:robg041798
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2 Comments
 
LVL 4

Accepted Solution

by:
piano_boxer earned 400 total points
ID: 1300215
This is because the hwnd in CFileDialog is not the same as the 'real' one.

To get a handle for the real dialog do this:

void MyFileDialog::OnTypeChange()
{
    CWnd* pDialogWnd = GetForegroundWindow();
    ASSERT_VALID(pDialogWnd);

    pDialogWnd->SetDlgItemText(edt1,"filename.ext");
}





0
 

Author Comment

by:robg041798
ID: 1300216
Perfect!  Thank you so much.
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