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CFileDialog w/ template but default button not working

Posted on 1998-06-04
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Last Modified: 2013-11-19
I have a customized CFileDialog (e.g. CCustFileDialog) with a child dialog template. Everything is working fine except that now I want the default button change to one of the button in my child template (e.g. IDOK1).

Here is the code I tried but failed:

void CCustFileDialog::OnInitDone()
{
     // Set default button

     GetParent()->SetDefID(IDOK1);
     ((CButton*)GetParent()->GetDlgItem(IDOK))->SetButtonStyle(BS_PUSHBUTTON);
     SendDlgItemMessage(IDOK1, BM_SETSTYLE, BS_DEFPUSHBUTTON, MAKELPARAM(TRUE, 0));
}

Any one can help?
0
Comment
Question by:leow060498
7 Comments
 
LVL 1

Expert Comment

by:dkremer
ID: 1316009
Try sending a DM_SETDEFID message as well.

0
 

Author Comment

by:leow060498
ID: 1316010
Well if you look at DevStudio\VC\mfc\include\AFXWIN2.INL(570):

_AFXWIN_INLINE void CDialog::SetDefID(UINT nID)
      { ASSERT(::IsWindow(m_hWnd)); ::SendMessage(m_hWnd, DM_SETDEFID, nID, 0); }

The call of SetDefID() is sending a DM_SETDEFID....
0
 

Author Comment

by:leow060498
ID: 1316011
Try to open WinZip with an existing file and Add. You can see that it is using the CFileDialog with some buttons underneath. If you press enter on some of them, you got nothing.
0
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LVL 23

Expert Comment

by:chensu
ID: 1316012
Is CCustFileDialog derived from CFileDialog? Why do you use GetParent()?

It should be

void CCustFileDialog::OnInitDone()
{
     // Set default button

     this->SetDefID(IDOK1);
}

If this still does not work, try the following:

1. Define a user-defined message;
2. Post the user-defined message in CCustFileDialog::OnInitDone() by using this->PostMessage;
3. When CCustFileDialog receives this message, call this->SetDefID(IDOK1);.
0
 

Author Comment

by:leow060498
ID: 1316013
No luck with this->SetDefID() and the PostMessage() also.

The way to set the default button to a child dialog is not mentioned clearly in the documentation.
0
 
LVL 23

Expert Comment

by:chensu
ID: 1316014
How about setting the Default Button style in the Dialog Editor?
0
 

Accepted Solution

by:
Amaresh080997 earned 100 total points
ID: 1316015
Set the flag "OFN_EXPLORER" for your CFileDialog derived class..
--Amaresh
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