'宣言 Public Overridable Function CreateChange( _ ByVal description As String, _ ByVal detailedDescription As String, _ ByVal undoMethod As Func(Of UndoExecuteContext,Boolean), _ ByVal redoMethod As Func(Of UndoExecuteContext,Boolean), _ ByVal target As Object _ ) As UndoUnit
public virtual UndoUnit CreateChange( string description, string detailedDescription, Func<UndoExecuteContext,bool> undoMethod, Func<UndoExecuteContext,bool> redoMethod, object target )