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PropertyChangedEventArgs Class

PropertyChangedEventArgs Class

Provides arguments for property change events.

Heirarchy

EventArgs
- PropertyChangedEventArgs

Constructors

constructor

Properties

Constructors

constructor

new PropertyChangedEventArgs(propertyName: string, oldValue: any, newValue: any): PropertyChangedEventArgs

Initializes a new instance of the PropertyChangedEventArgs class.

Parameters
- propertyName: string
  
  The name of the property whose value changed.
- oldValue: any
  
  The old value of the property.
- newValue: any
  
  The new value of the property.
Returns PropertyChangedEventArgs

Properties

newValue

newValue: any

Gets the new value of the property.

oldValue

oldValue: any

Gets the old value of the property.

propertyName

propertyName: string

Gets the name of the property whose value changed.

Static empty

empty: EventArgs

Provides a value to use with events that do not have event data.