Occurs when the list is to be dropped down. (popup)
The event handler receives an argument of type DropDownEventArgs containing data related to this event. The following DropDownEventArgs properties provide information specific to this event.
When user clicks on AdvancedComboBox and list is not shown this event is raised. When Cancel property of DropDownEventArgs is not set to true, the list shows. If you want to handle showing of list in some special way (for example showing list only when specific cell was clicked), set Cancel property to true.
DropDown event has arguments of type DropDownEventArgs.
AdvancedComboBox Class | Resco.Controls.AdvancedComboBox Namespace