Context menus

[Marcus Lambert]

Hi,

Is there a way to add a context menu to a row in the grid via xaml only without using the row loaded event.
Can you add it in a row template?

Thanks

Marcus

[Vlad]

Hi Marcus,

You can add the menu for the entire grid and check current row in ItemClick event using GetClickedElement<>() method. Here is an example:

 <grid:RadGridView x:Name="RadGridView1">
            <nav:RadContextMenu.ContextMenu>
                <nav:RadContextMenu ItemClick="RadContextMenu_ItemClick">
                    <nav:RadContextMenu.Items>
                        <nav:RadMenuItem Header="Item 1"/>
                        <nav:RadMenuItem Header="Item 2"/>
                        <nav:RadMenuItem Header="Item 3"/>
                    </nav:RadContextMenu.Items>
                </nav:RadContextMenu>
            </nav:RadContextMenu.ContextMenu>
        </grid:RadGridView>

...
        private void RadContextMenu_ItemClick(object sender, Telerik.Windows.RadRoutedEventArgs e)
        {
            var row = ((RadContextMenu) sender).GetClickedElement<GridViewRow>();
        }


All the best,
Vlad
the Telerik team

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[Marcus Lambert]

Thanks for that, but is there a way just to have the context menu appear on row right click and not for the wholw grid. ? as you may wany different menus on other part of the grid.
Marcus

[Vlad]

Hello Marcus,

You can use Opened event to achieve your goal. Here is an example of how to show the menu for data rows only (without header row):

       private void RadContextMenu_Opened(object sender, RoutedEventArgs e)
        {
            var row = ((RadContextMenu) sender).GetClickedElement<GridViewRow>();

            if (row == null)
            {
                ((RadContextMenu) sender).IsOpen = false;
            }
        }

All the best,
Vlad
the Telerik team

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[Alex]

Hi, I'm also trying to get a context menu to show up in my Silverlight 4 test app, but I can only ever get the default "Silverlight" context menu (That brings up the Silverlight Options)

Here is the xaml I'm using:

<UserControl x:Class="Test_ContextMenu.MainPage"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
    xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
    mc:Ignorable="d"
    d:DesignHeight="600" d:DesignWidth="800"

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

    >
    <Grid>
        <Navigation:RadContextMenu.ContextMenu>
            <Navigation:RadContextMenu ItemClick="RadContextMenu_ItemClick" Opened="RadContextMenu_Opened">
                <Navigation:RadContextMenu.Items>
                    <Navigation:RadMenuItem Header="Add" />
                    <Navigation:RadMenuItem Header="Edit" />
                    <Navigation:RadMenuItem Header="Delete" />
                </Navigation:RadContextMenu.Items>
            </Navigation:RadContextMenu>
        </Navigation:RadContextMenu.ContextMenu>


        <telerik:RadGridView x:Name="RadGridView1" Margin="12" MouseRightButtonDown="RadGridView1_MouseRightButtonDown">
            <Navigation:RadContextMenu.ContextMenu>
                <Navigation:RadContextMenu ItemClick="RadContextMenu_ItemClick" Opened="RadContextMenu_Opened">
                    <Navigation:RadContextMenu.Items>
                        <Navigation:RadMenuItem Header="Add" />
                        <Navigation:RadMenuItem Header="Edit" />
                        <Navigation:RadMenuItem Header="Delete" />
                    </Navigation:RadContextMenu.Items>
                </Navigation:RadContextMenu>
            </Navigation:RadContextMenu.ContextMenu>
        </telerik:RadGridView>
    </Grid>
</UserControl>

I can not get it to work on neither the grid or the gridview :S
I can make it work if I use different EventNames, however, any of the right mouse button events will not work





The only way I could get it to open was to manually intercept the RadGridView1_MouseRightButtonDown event, and force an menu.IsOpen = true; But then it still has the default context menu if you right click again (on the grid and not on the context menu)

[Milan]

Hello Alexander Sun,

If you would like to open RadcontextMenu on right-click the Silverlight pluging should run in Windoless mode. Could you please take a look at this help topic.

Greetings,
Milan
the Telerik team

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