![](dotnetdiagramimages/C1_DataCollection_C1_DataCollection_FilterUnaryExpression.png)
'宣言 Public Class FilterUnaryExpression Inherits FilterOperationExpression
public class FilterUnaryExpression : FilterOperationExpression
System.Object
C1.DataCollection.FilterExpression
C1.DataCollection.FilterOperationExpression
C1.DataCollection.FilterUnaryExpression
C1.DataCollection.FilterUnaryExpression<T>