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How to keep SfMultiColumnDropDownControl stay open always without reverting to a control template

In SfMultiColumnDropDownControl, the drop-down control is displayed using Popup control. So, you can keep the drop-down control in an always open state by setting the StaysOpen property to True’ in the Popup control. Popup control can be accessed from the control template of SfMultiColumnDropDownControl, by using the FindName method.



Here, the Popup control is accessed by passing the SfMultiColumnDropDownControl name as MultiColumnControl and the Popup control name as PART_Popup to FindName method. By setting the StaysOpen property to True’, you can keep the drop-down in open state always.

You can refer to the sample from the following location.

WPF: MultiColumnDropDownDemo_WPF

Article ID: Published Date: Last Revised Date: Platform: Control: .NET Framework: Product Version:
2431 08/06/2014 07/12/2015 WPF SfDataGrid 4.5.1
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