DropDownOpening Field (GridSummariesClientEvents)

Event fired before drop down is opened for a specific column summary. Return false in order to cancel opening the drop down. Function takes arguments evt and ui. Use ui.columnKey to get column key of the column where drop down is opening. Use ui.owner in order to access the igGridSummaries widget object.

'Declaration
 
Public Const DropDownOpening As System.String

public const System.string DropDownOpening