PropertyChangedRoutedEventArgs<T> Class
Provides event arguments for a property change routed event, indicating the old and new values.
public class PropertyChangedRoutedEventArgs<T> : RoutedEventArgs- Type Parameters:
-
T-The return type of the property.
- Inheritance:
- object EventArgs RoutedEventArgs object
- Derived:
- BooleanPropertyChangedRoutedEventArgs LedStatePropertyChangedRoutedEventArgs BreadcrumbItemPropertyChangedRoutedEventArgs OperationStatePropertyChangedRoutedEventArgs TabPropertyChangedRoutedEventArgs EditorDocumentChangedEventArgs EditorDocumentLanguageChangedEventArgs EditorViewChangedEventArgs DateTimePropertyChangedRoutedEventArgs DoublePropertyChangedRoutedEventArgs IEnumerablePropertyChangedRoutedEventArgs NullableDateTimePropertyChangedRoutedEventArgs ObjectPropertyChangedRoutedEventArgs SecureStringPropertyChangedRoutedEventArgs StringPropertyChangedRoutedEventArgs
Constructors
PropertyChangedRoutedEventArgs(RoutedEvent, T, T)
Initializes a new instance of the PropertyChangedRoutedEventArgs class.
public PropertyChangedRoutedEventArgs(RoutedEvent routedEvent, T oldValue, T newValue)| Parameter | Type | Description |
|---|---|---|
| routedEvent | RoutedEvent | The routed event identifier for this event arguments instance. |
| oldValue | T | The previous value of the property being tracked as reported by an event. |
| newValue | T | The new value of the property being tracked as reported by an event. |
PropertyChangedRoutedEventArgs(RoutedEvent, T, T, object)
Initializes a new instance of the PropertyChangedRoutedEventArgs class.
public PropertyChangedRoutedEventArgs(RoutedEvent routedEvent, T oldValue, T newValue, object source)| Parameter | Type | Description |
|---|---|---|
| routedEvent | RoutedEvent | The routed event identifier for this event arguments instance. |
| oldValue | T | The previous value of the property being tracked as reported by an event. |
| newValue | T | The new value of the property being tracked as reported by an event. |
| source | object | An alternate source that will be reported when the event is handled. |
PropertyChangedRoutedEventArgs(T, T)
Initializes a new instance of the PropertyChangedRoutedEventArgs class.
public PropertyChangedRoutedEventArgs(T oldValue, T newValue)| Parameter | Type | Description |
|---|---|---|
| oldValue | T | The previous value of the property being tracked as reported by an event. |
| newValue | T | The new value of the property being tracked as reported by an event. |
Properties
NewValue
Gets the new value of the property being tracked as reported by an event.
public T NewValue { get; }Property Value
- T:
The new value of the property being tracked as reported by an event.
OldValue
Gets the previous value of the property being tracked as reported by an event.
public T OldValue { get; }Property Value
- T:
The previous value of the property being tracked as reported by an event.