ModelChangeInfo.OldValue 属性

定义

命名空间:
System.Activities.Presentation.Services
程序集:
System.Activities.Presentation.dll

获取旧值（如果它是属性更改或字典值更改）。

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

属性值

ModelItem

如果它是属性更改或字典值更改，则为旧值。

适用于