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Forums » Prof-UIS General Discussion » Header in CExtCheckComboBox Collapse All
Subject Author Date
mediatime Conseil Jan 15, 2013 - 3:52 AM


I am using the CExtCheckComboBox and I want to have a header with a check all control, so I can check or uncheck all items in the dropdown list of the combo

Is thi possible?

Thank you


Piotr Tracz Feb 20, 2013 - 7:29 AM

Yes you can.

1. Create own derived class from CExtCheckComboBox and do it inside of it

2. Add "<check all>" string to the combobox, use SetItemData, then cach OnSelChange on your form and select all items in for() loop.