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Changing a Group Box Caption...

Posted on 1998-03-11
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Last Modified: 2013-11-19
I think this is a simple thing to do, but I can't seem to get it working.  I am trying to change the caption that
appears at the top of a Group Box control at run time.  How do I reference the Group Box since it doesn't appear
as a control on my Dialog Box (even though it is there) when viewing it using the ClassWizard (under the
"Member Variables" tab)?  Since it doesn't appear as a control, I can't assign it a name like I can with a
ListBox or Button.  Any ideas?
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Question by:tdiamond
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Expert Comment

by:tflai
ID: 1316925
Change your group box resource ID to something like IDC_GBOX.  GetDlgItem(IDC_GBOX)->SetWindowText("Blah, Blah, Blah.");
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Author Comment

by:tdiamond
ID: 1316926
I tried that, and the program dies, reporting that my program performed an illegal operation.  Any ideas why that might be happening?
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Accepted Solution

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Tommy Hui earned 200 total points
ID: 1316927
It seems like you are trying to set the caption before the window exists. You should do this in OnInitDialog AFTER you call the base class. Confirm that GetDlgItem() returns a NON-NULL value.

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Author Comment

by:tdiamond
ID: 1316928
Sorry, the first answer proposed from tflai should of worked.  It was my fault.  I left the static control's resource ID as IDC_STATIC instead of changing it to something like ID_STATIC.  It works fine now.

Thanks everyone...
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Expert Comment

by:tflai
ID: 1316929
Oop!  There goes the points...  :-(
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