ModelChangeInfo.OldValue 屬性

定義

命名空間:

System.Activities.Presentation.Services

組件:

System.Activities.Presentation.dll

取得舊值 (如果是屬性變更或字典值變更)。

public:
 abstract property System::Activities::Presentation::Model::ModelItem ^ OldValue { System::Activities::Presentation::Model::ModelItem ^ get(); };

public abstract System.Activities.Presentation.Model.ModelItem OldValue { get; }

member this.OldValue : System.Activities.Presentation.Model.ModelItem

Public MustOverride ReadOnly Property OldValue As ModelItem

屬性值

ModelItem

如果是屬性變更或字典值變更，則為舊值。