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ExecutedRoutedEventArgs.Parameter Property

Gets data parameter of the command.

Namespace:  System.Windows.Input
Assembly:  PresentationCore (in PresentationCore.dll)

Public ReadOnly Property Parameter As Object

Property Value

Type: System.Object
The command-specific data. The default value is Nothing.

This property represents a generic data parameter that is defined by the particular command.

If this parameter is not needed, Nothing can be passed.

Normally, the Parameter is used to pass specific information to the command when it is executed. The type of the data is defined by the command.

The following example creates an ExecutedRoutedEventHandler for a custom RoutedCommand. The handler updates a TextBox with the current time and the Value property of a Slider control that is passed to the handler through the ExecutedRoutedEventArgs.Parameter.

		'  Executed Event Handler
		'  Updates the output TextBox with the current seconds 
		'  and the target second, which is passed through Args.Parameter.
		Private Sub CustomCommandExecuted(ByVal sender As Object, ByVal e As ExecutedRoutedEventArgs)
            txtResults.Text = "Command Executed at " & Date.Now.Second & " seconds after the minute " & vbLf & vbLf & "The target second is set to " & e.Parameter.ToString()
		End Sub

.NET Framework

Supported in: 4.6, 4.5, 4, 3.5, 3.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1
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