Apama API Reference for .NET
9.10.0.4
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A "PropertyChanged" event gets delivered whenever an object changes a "bound" or "constrained" property. A PropertyChangeEvent object is sent as an argument to the PropertyChangeListener method. More...
Inherits PropertyChangedEventArgs.
Public Member Functions | |
PropertyChangedEventArgs (string propertyName, object oldValue, object newValue) | |
Constructs a new More... | |
Properties | |
virtual object | NewValue [get] |
Sets the new value for the property, expressed as an object. More... | |
virtual object | OldValue [get] |
Gets the old value for the property, expressed as an object. More... | |
A "PropertyChanged" event gets delivered whenever an object changes a "bound" or "constrained" property. A PropertyChangeEvent object is sent as an argument to the PropertyChangeListener method.
Normally PropertyChangedEvents are accompanied by the name and the old and new value of the changed property.
Null values may be provided for the old and the new values if their true values are not known.
Apama.Util.PropertyChangedEventArgs.PropertyChangedEventArgs | ( | string | propertyName, |
object | oldValue, | ||
object | newValue | ||
) |
Constructs a new
PropertyChangedEvent
.
propertyName | The name of the property that changed. |
oldValue | The old value of the property. |
newValue | The new value of the property. |
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get |
Sets the new value for the property, expressed as an object.
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get |
Gets the old value for the property, expressed as an object.