FilterPredicate Class
namespace NoesisApp
Base class for Filter predicate object used by CollectionFilterBehavior.
Properties
| Name | Description |
|---|---|
| ItemsSource | Gets or sets the source collection of items |
Dependency Property Reflection Property
Attached Properties
FilterPredicate has no attached properties
Methods
| Name | Description |
|---|---|
| BeginUpdate() | Indicates that source collection is being updated, so we disable notifications to avoid refreshing the filter more than necessary |
| EndUpdate() | Indicates that source collection has finished the updating process, we can now re-evaluate the filter if it any changes had occurred |
| Matches(item) | Called to evaluate the predicate against the provided item |
| NeedsRefresh(item, propertyName) | Indicates if filter should be re-evaluated after an item property change |
| Refresh() | Re-evaluates the filter over the list |
Events
| Name | Description |
|---|---|
| FilterRequired | Indicates that conditions changed and filter needs to be re-evaluated |
Routed Event Non-routed Event Delegate Event
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