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GetDlgItem() on a dialog in a formview?

Posted on 2001-06-06
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Last Modified: 2013-11-20
I have a CFormView object which contains some controls.  In the code for this class I add a dialog to this formview.  I have some 3rdparty library that uses the IDs of the items on my formview to move things around.  I want it to move the dialog around, but it uses GetDlgItem on the IDs to get ahold of the controls, and this doesn't work on the dialog.  

So the simple question, is it not possible to use GetDlgItem() on an actual dialog?  I'm guessing not but want to be sure.
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Question by:appleby
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Expert Comment

by:captainkirk
ID: 6160979
1) Is the diaog a child of the form view?
2) how are you creating the dialog?
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Author Comment

by:appleby
ID: 6160996
The dialog is a child of the form view.  
I am creating the dialog thus:

        Dialog1* dlg;
     dlg = new Dialog1;
     ASSERT(dlg);
     VERIFY(dlg->Create(IDD_DIALOG1, this));

inside the formview class.

I know there is a GetDlgItem() version that takes a pointer to the window, as well as the ID.  Also there is the framework version that works on any two windows that are parent/child.  But the library I'm calling does not allow for use of either of these versions.
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Author Comment

by:appleby
ID: 6161024
The dialog is a child of the form view.  
I am creating the dialog thus:

        Dialog1* dlg;
     dlg = new Dialog1;
     ASSERT(dlg);
     VERIFY(dlg->Create(IDD_DIALOG1, this));

inside the formview class.

I know there is a GetDlgItem() version that takes a pointer to the window, as well as the ID.  Also there is the framework version that works on any two windows that are parent/child.  But the library I'm calling does not allow for use of either of these versions.
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Expert Comment

by:migel
ID: 6161067
Hi!
you must handle child dialog instead view:
that is:
CWnd* pCtl = dlg->GetDlgItem(IDC_ITEM_YOU_WANT);
where dlg is a pointer to the created dialog
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Expert Comment

by:captainkirk
ID: 6161082
It should work with any parent-child relationship - I will build a test project and get back to you...
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Author Comment

by:appleby
ID: 6161096
Migel - Let me clarify.  The 3rdparty library I'm calling is what is calling GetDlgItem(), not me.  I don't have control over that.  The call by me is like this:

third_party_function(IDD_DIALOG1);

I have to pass in the ID of a control within my formview, and the function does some stuff to it, including calling GetDlgItem(IDD_DIALOG).  I have no power over that.
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LVL 4

Expert Comment

by:captainkirk
ID: 6161099
It should work with any parent-child relationship - I will build a test project and get back to you...
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Accepted Solution

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captainkirk earned 50 total points
ID: 6161246
Looks like the MSDN docs are incorrect - I can't yet seem to make the GetDlgItem() call work either...
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Author Comment

by:appleby
ID: 6161304
Ok, thanks.

I didn't want to have to, but since I have access to the source for the 3rd party library I'm going to rewrite it to work the way I need to.

Thanks for the sanity check.
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