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problem with modeless!...

Posted on 2000-04-17
10
390 Views
Last Modified: 2010-04-02
hi!
my main application is a dialog based app.i created a modeless dialog box as below
BOOL CMDApp::InitInstance()
{
AfxEnableControlContainer();
#ifdef _AFXDLL
  Enable3Controls();
#else
 Enable3ControlsStatic();
#endif
 CMDDlg *dlg= new CMDDlg;
 dlg->Create();
 m_pMainWnd = dlg;
 return TRUE;
}
i destroyed it using..
void CMDDlg::OnCancel()
{
  CMDDlg::DestroyWindow();
}

now my problem is that when the user presses the ESC key the dialog box vanishes.i want the dialog box to stay.
how can modify this?..what is the reason for the dialog box to vanish even after overriding the OnCancel() function?
0
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Question by:ijkl
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10 Comments
 

Author Comment

by:ijkl
ID: 2723900
Adjusted points from 50 to 100
0
 
LVL 1

Expert Comment

by:MT_MU
ID: 2723928
As you mentioned ESC invokes OnCancel.

Remove the DestroyWindow from OnCancel - leaving the handler blank.



0
 
LVL 1

Expert Comment

by:Toad224
ID: 2724801
If you remove the "CMDDlg::DestroyWindow();" from the code, then your dialog should not close when Esc is pressed.

You should use:

void CMDDlg::OnCancel()
{
}

to destroy it instead.
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Expert Comment

by:MT_MU
ID: 2724852
Toad

I hate to ask this...but your answer differs from mine how?
0
 
LVL 1

Expert Comment

by:MT_MU
ID: 2725053
As an alternative - if you wish **just** to disable the Escape key...

BOOL CTestDlg::PreTranslateMessage(MSG* pMsg)
{
      if (pMsg->message == WM_KEYDOWN)
      {
            if (pMsg->wParam == VK_ESCAPE)
            {
                  return TRUE;
            }
      }
      return CDialog::PreTranslateMessage(pMsg);
}
0
 

Author Comment

by:ijkl
ID: 2727759
I tried to do that but it is givig the error as
'PreTranslateMessage' : overloaded member function 'int (struct tagMSG *)' not found in 'CTestDlg'

!

0
 
LVL 1

Accepted Solution

by:
MT_MU earned 100 total points
ID: 2727810
Did you include the following in your header file?

virtual BOOL PreTranslateMessage(MSG* pMsg);

If you used ClassWizard to add the function this would be done automagically for you.
0
 

Author Comment

by:ijkl
ID: 2727851
the method given by Toad224 is not working for my purpose.
i want the dialog box to close when clicked cancel but stay when ESC is pressed!
thanx anyway..
0
 

Author Comment

by:ijkl
ID: 2727855
Mt Mu thanx it is working now...i appreciate it..
ijkl..:-)
0
 

Author Comment

by:ijkl
ID: 2727902

i already added a comment MT MU ...:-)
thanx..
0

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