MVVM Item click

[Ruban]

HI,
I'm new to Silverlight and MVVM.
What I'm trying to do is bind an event for the ItemClick for the ContextMenu to the ViewModel.
It doesn't seem to call the delegate in the viewmodel when I apply to the Telerik Context Menu click but it does work for a standard control such as Hyperlink.
Any ideas?
The view:

<

 

UserControl x:Class="Module.Views.PageMenuView"

 

 

 

xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"

 

 

 

xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"

 

 

 

xmlns:telerikNavigation="clr-namespace:Telerik.Windows.Controls;assembly=Telerik.Windows.Controls.Navigation"

 

 

 

xmlns:cal="clr-namespace:Microsoft.Practices.Composite.Presentation.Commands;assembly=Microsoft.Practices.Composite.Presentation"

 

 

 

>

 

 

 

 

<Grid x:Name="LayoutRoot" Background="White">

 

 

 

 

<StackPanel Orientation="Vertical">

 

 

 

 

<HyperlinkButton x:Name="SettingLink" Content="Click" cal:Click.Command="{Binding MenuOptionCommand}" Foreground="Blue"/>

 

 

 

 

<ToggleButton Content="Export" HorizontalAlignment="Left"

 

 

 

IsChecked="{Binding IsOpen, ElementName=context, Mode=TwoWay}">

 

 

 

 

<telerikNavigation:RadContextMenu.ContextMenu>

 

 

 

 

<telerikNavigation:RadContextMenu x:Name="context" Placement="Bottom" telerikNavigation:RadContextMenu.ContextMenu.="{Binding MenuOptionCommand}">

 

 

 

 

<telerikNavigation:RadMenuItem Header="Export to Excel" />

 

 

 

 

<telerikNavigation:RadMenuItem Header="Export to PDF" />

 

 

 

 

</telerikNavigation:RadContextMenu>

 

 

 

 

</telerikNavigation:RadContextMenu.ContextMenu>

 

 

 

 

</ToggleButton>

 

 

 

 

</StackPanel>

 

 

 

 

</Grid>

 

</

 

 

UserControl>

 

 

[Kaloyan]

Hi Ruban,

The Prism Click.Command attached behavior is working only with a Control that has a click event (base type is ButtonBase). The base type of the RadContextMenu is ItemsControl, hence, it is not possible to be attached such a delegate command to the RadContextMenu.

Sincerely yours,
Kaloyan
the Telerik team

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[Ruban]

Found a solution, it is possible by writing a command behavior.

[Claudio]

I have been trying to accomplish the same thing [Get MenuItem that was clicked via a command] and I have found that the Telerik ContextMenu does not support that. Here is an article with source code providing a behavior to get this done.

http://bhaidar.net/cs/archive/2010/01/01/commanding-for-radcontextmenu-in-composite-application-library-prism.aspx

However, the date of the arcticle is January, 2010, and I was wondering if this is still the only workaround.


Thanks in advance,


Claudio Sanchez

[Hristo]

Hello Claudio,

RadMenuItem have Command property of type ICommand as well as CommandTarget and CommandParameter. You can easily bind them to your data item.

Let us know if you need additional information.

Regards,
Hristo
the Telerik team