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UIElement.CommandBindings Property

Gets a collection of CommandBinding objects associated with this element. A CommandBinding enables command handling for this element, and declares the linkage between a command, its events, and the handlers attached by this element.

Namespace:  System.Windows
Assembly:  PresentationCore (in PresentationCore.dll)
XMLNS for XAML: http://schemas.microsoft.com/winfx/2006/xaml/presentation, http://schemas.microsoft.com/netfx/2007/xaml/presentation

public CommandBindingCollection CommandBindings { get; }
<object>
  <object.CommandBindings>
    oneOrMoreCommandBindings
  </object.CommandBindings>
</object>

XAML Values

oneOrMoreCommandBindings

One or more CommandBinding elements. Each of these should have a Command attribute set to a known command, and attributes set for the CanExecute and Executed handler implementations. For more information see CommandBinding.

Property Value

Type: System.Windows.Input.CommandBindingCollection
The collection of all CommandBinding objects.

Another typical way to populate the CommandBindings collection is to use CommandManager methods programmatically.

The following example adds a CommandBinding to a window using markup. Note that in XAML, the CommandBindingCollection is not declared in the markup as an element; the collection object is inferred by the type that the property takes, and you populate the property element with one or more CommandBinding elements:

<Window.CommandBindings>
  <CommandBinding Command="ApplicationCommands.Open"
                  Executed="OpenCmdExecuted"
                  CanExecute="OpenCmdCanExecute"/>
</Window.CommandBindings>

For more information about the XAML syntax for collections, see XAML Syntax Terminology.

The following example does essentially the same thing in code:

// Creating CommandBinding and attaching an Executed and CanExecute handler
CommandBinding OpenCmdBinding = new CommandBinding(
    ApplicationCommands.Open,
    OpenCmdExecuted,
    OpenCmdCanExecute);

this.CommandBindings.Add(OpenCmdBinding);

Windows 7, Windows Vista, Windows XP SP2, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003

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

.NET Framework

Supported in: 3.5, 3.0

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