[Qt-interest] How to change central widget in Qt Designer?

[John McClurkin]

donglongchao wrote:
> Hi,all
> 
> I am new here and Qt.I want to create a MDI app with Qt.And I want to 
> build the main window with Qt Designer.But I can not change the central 
> widget from QWidget to QWorkspace(Ihave to use this class for MDI).Could 
> someone tell me how to do it in Qt Designer ,but no in codes?
> Thanks a lot.
> Wish you happy.
> 
> Longchao
> 
> 
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> 
Don't change the central widget. From the designer palette, choose 
MdiArea and add it to the central widget. Be sure to add a layout to the 
central widget. To do that, read the designer documentation.