Telerik UI for Windows 8 XAML

The RadialMenuItem has a Command property that can be bound to an ICommand implementation. The execution of the command is triggered by click/tap event. The parameter passed to the command is of RadialMenuItemContext type and exposes the following properties:

  • TargetElement: This is the element that uses the RadRadialMenu as a context menu.

  • MenuItem: This is the RadialMenuItem that has initiated the command.

  • CommandParameter: The command parameter passed by the RadialMenuItem.

Example

Here is an example demonstrating how to add a custom command to a RadialMenuItem.

  1. First, create a class that implements the ICommand interface.

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    public class CustomItemCommand : ICommand
    {
        public bool CanExecute(object parameter)
        {
            var item = parameter as RadialMenuItemContext;
    
            // perform custom logic here
    
            return true;
        }
    
        public void Execute(object parameter)
        {
            var context = parameter as RadialMenuItemContext;
            var target = context.TargetElement;
            var item = context.MenuItem;
            var commandParameter = context.CommandParameter;
    
            // perform custom logic here
        }
    
        public event EventHandler CanExecuteChanged;
    }
  2. Add an instance of the custom command class to the Resources of the Page.

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    <Page.Resources>
        <local:CustomItemCommand x:Key="customCommand"/>
    </Page.Resources>
  3. Bind the Command property of the RadialMenuItem to the instance of the custom command.

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    <TextBlock Text="Some Text">
        <telerikPrimitives:RadRadialContextMenu.Menu>
            <telerikPrimitives:RadRadialMenu>
                <telerikPrimitives:RadialMenuItem Header="Item 1" Command="{StaticResource customCommand}"/>
                <telerikPrimitives:RadialMenuItem Header="Item 2" Command="{StaticResource customCommand}"/>
            </telerikPrimitives:RadRadialMenu>
        </telerikPrimitives:RadRadialContextMenu.Menu>
    
        <telerikPrimitives:RadRadialContextMenu.Behavior>
            <telerikPrimitives:RadialMenuTriggerBehavior AttachTriggers="Focused" />
        </telerikPrimitives:RadRadialContextMenu.Behavior>
    </TextBlock>

See Also

Other Resources