PredicateFilter Class
Represents a IDataFilter implementation that uses a predicate to execute custom filter logic.
public class PredicateFilter : DataFilterBase, IDataFilter- Inheritance:
- object DataFilterBase object
- Implements:
- IDataFilter
Constructors
PredicateFilter()
Initializes an instance of the PredicateFilter class.
public PredicateFilter()PredicateFilter(Predicate<object>)
Initializes an instance of the PredicateFilter class.
public PredicateFilter(Predicate<object> predicate)| Parameter | Type | Description |
|---|---|---|
| predicate | Predicate<object> | The predicate to use for this filter. |
Properties
Predicate
Gets or sets the predicate to use for this filter.
public Predicate<object> Predicate { get; set; }Property Value
Methods
Filter(object, object)
Examines the specified item to see if meets filter conditions.
public override DataFilterResult Filter(object item, object context)| Parameter | Type | Description |
|---|---|---|
| item | object | The item to examine. |
| context | object | An optional object that provides contextual information for the filter request. |
Returns
- DataFilterResult:
A DataFilterResult that indicates the filter result.
Fields
PredicateProperty
Identifies the Predicate dependency property. This field is read-only.
public static readonly DependencyProperty PredicateProperty