v5.20192.631
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PropertyChangedEventArgs Class

Provides arguments for property change events.

Hierarchy

Constructors

Properties

Constructors

constructor

  • 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.