Select TreeView Node on right click before displaying ContextMenu

Question

I would like to select a WPF TreeView Node on right click, right before the ContextMenu displayed.

For WinForms I could use code like this Find node clicked under co

Answer 1

Almost Right, but you need to watch out for non visuals in the tree, (like a Run, for instance).

static DependencyObject VisualUpwardSearch(DependencyObject source) 
{
    while (source != null && source.GetType() != typeof(T))
    {
        if (source is Visual || source is Visual3D)
        {
            source = VisualTreeHelper.GetParent(source);
        }
        else
        {
            source = LogicalTreeHelper.GetParent(source);
        }
    }
    return source; 
}