public delegate void PickerFailedEventHandler(
	BarcodePicker sender,
	PickerFailedEventArgs ex
)

Public Delegate Sub PickerFailedEventHandler ( 
	sender As BarcodePicker,
	ex As PickerFailedEventArgs
)

public delegate void PickerFailedEventHandler(
	BarcodePicker^ sender, 
	PickerFailedEventArgs^ ex
)

type PickerFailedEventHandler = 
    delegate of 
        sender : BarcodePicker * 
        ex : PickerFailedEventArgs -> unit