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How toenble & disable edit boxes

Posted on 1998-12-07
2
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Last Modified: 2013-12-03
Hi everyone. Just when you thought it was safe to look at a question. I'm back!

Still doing edit & static controls in dialog boxes.
I would like to display and remove boxes depending on selection in checkbox.
eg. click checkbox and change an edit box from enabled to disabled to enabled etc.

case      IDC_CHECKBOX:
{                        if(1==SendMessage(GetDlgItem(hdlg,IDC_CHECKBOX),BM_GETCHECK,0,0))
{SetWindowLong(
GetDlgItem(hdlg,IDC_TEXTBOX),      // handle of window
GWL_STYLE,      // offset of value to set
ES_RIGHT | WS_BORDER | WS_TABSTOP        // new value
);
                                                MessageBox(hdlg,"Clicked","",MB_OK | MB_ICONINFORMATION);
}
else
{SetWindowLong(
GetDlgItem(hdlg,IDC_TEXTBOX),      // handle of window
GWL_STYLE,      // offset of value to set
ES_RIGHT | WS_BORDER | WS_TABSTOP | WS_DISABLED       // new value
);
MessageBox(hdlg,"UNClicked","",MB_OK | MB_ICONINFORMATION);
}
break;
}

I know that the message is being seen as the correct MessageBox is shown when I click the checkbox. All that happens though is it disables the edit box permanentley.
Like I say, I would really like it to disapear the become visible when I want it to be.
I am sure this must be trivial but I've been trying to do this for three nights now (It is a home project and it's driving me mad)
Regards to U all.
dsch
P.S.
Please no MFC or OWL
The app is win32 written in c++
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Question by:dsch
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2 Comments
 
LVL 6

Accepted Solution

by:
snoegler earned 60 total points
ID: 1416825
Take a look at EnableWindow(). I've never had problems with the code below:

BOOL bEnable;
EnableWindow(GetDlgItem(hDlg, IDC_EDIT), bEnable);
0
 
LVL 1

Author Comment

by:dsch
ID: 1416826
That's great, I originally just wanted to grey out the box and disable it which that does. Thanks.
In fact, I've just found ShowWindow(I didn't realise you could use it for anything) and it works in a similar way to EnableWindow, SW_HIDE & SW_SHOW sort that out.
Regards and thanks
Dsch
0

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