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ExecutedRoutedEventArgs.Parameter Property

Gets data parameter of the command.

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

public Object Parameter { get; }

Property Value

Type: System.Object
The command-specific data. The default value is null.

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

If this parameter is not needed, null 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 void CustomCommandExecuted(object sender, ExecutedRoutedEventArgs e)
{
    txtResults.Text = "Command Executed at " +
        DateTime.Now.Second + " seconds after the minute \n\n" +
        "The target second is set to " +
        e.Parameter;
}


.NET Framework

Supported in: 4, 3.5, 3.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

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