'宣言
 
Friend Function UpdateEffectiveValue( _
   ByVal entryIndex As System.Windows.EntryIndex, _
   ByVal dp As System.Windows.DependencyProperty, _
   ByVal metadata As System.Windows.PropertyMetadata, _
   ByVal oldEntry As System.Windows.EffectiveValueEntry, _
   ByRef newEntry As System.Windows.EffectiveValueEntry, _
   ByVal coerceWithDeferredReference As System.Boolean, _
   ByVal coerceWithCurrentValue As System.Boolean, _
   ByVal operationType As System.Windows.OperationType _
) As System.Windows.UpdateResult