JavaScript/jQuery DropDownButton Types
ButtonClickEvent
The type of the buttonClick event handler's argument.
                        import { ButtonClickEvent } from "devextreme/ui/drop_down_button"
                    
            
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ContentReadyEvent
The type of the contentReady event handler's argument.
                        import { ContentReadyEvent } from "devextreme/ui/drop_down_button"
                    
            
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DisposingEvent
The type of the disposing event handler's argument.
                        import { DisposingEvent } from "devextreme/ui/drop_down_button"
                    
            
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InitializedEvent
The type of the initialized event handler's argument.
                        import { InitializedEvent } from "devextreme/ui/drop_down_button"
                    
            
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ItemClickEvent
The type of the itemClick event handler's argument.
                        import { ItemClickEvent } from "devextreme/ui/drop_down_button"
                    
            
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        OptionChangedEvent
The type of the optionChanged event handler's argument.
                        import { OptionChangedEvent } from "devextreme/ui/drop_down_button"
                    
            
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SelectionChangedEvent
The type of the selectionChanged event handler's argument.
                        import { SelectionChangedEvent } from "devextreme/ui/drop_down_button"
                    
            
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