public delegate bool ConvertValueCallback(
	Object value,
	Type objectType,
	out Object result
)

Public Delegate Function ConvertValueCallback ( 
	value As Object,
	objectType As Type,
	<OutAttribute> ByRef result As Object
) As Boolean

public delegate bool ConvertValueCallback(
	Object^ value, 
	Type^ objectType, 
	[OutAttribute] Object^% result
)

type ConvertValueCallback = 
    delegate of 
        value : Object * 
        objectType : Type * 
        result : Object byref -> bool