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Jeffrey
610
xamTree with ContextMenu, selecting node on right click
posted

Hello,

I have a xamTree databound with three levels of nodes. I put a context menu on the tree control. Right now a user can right click a node to pop up the context menu to add a child node. The problem is that unless they first LEFT click the node, then RIGHT click the node for the context menu, I am unable to get the selected node to add the child.

 I tried adding a MouseRightButtonDown to the tree, but I get all different UIElements as the OriginalSource (could be TextBlock or Grid or Image depending on where they right clicked).

How can I select the node on right click before the context menu pops up?

 

Thanks,

-J

Parents
  • 5595
    Verified Answer
    posted

    Hi,

    You could obtain the XamTreeItem in the XamContextMenu Opening event, e.g. suppose you have something like:

    <ig:ContextMenuService.Manager>

                    <ig:ContextMenuManager>

                        <ig:ContextMenuManager.ContextMenu>

                            <ig:XamContextMenu Opening="XamContextMenu_Opening">

                                <ig:XamMenuItem Header="Copy"/>

                                <ig:XamMenuItem Header="Paste"/>

                            </ig:XamContextMenu>

                        </ig:ContextMenuManager.ContextMenu>

                    </ig:ContextMenuManager>

                </ig:ContextMenuService.Manager>

     

    You could do the following in the event handler:

     

     

    private void XamContextMenu_Opening(object sender, OpeningEventArgs e)

            {

                var items = e.GetClickedElements<XamTreeItem>();

     

                if (items.Count == 0)

                {

                    e.Cancel = true;

                    return;

                }

     

                items.First().IsSelected = true;

            }

    HTH,

     

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