What's the best way to handle multiple contextmenus in treeview?

[MrNobody]

I want to display different menu item options depending on what the user
right-clicks on the tree. I cant figure out how though,

I currently tried to create separate ContextMenu objects in a class which
inherits from TreeView, and then in it's MouseClick event I do:

protected override void OnMouseClick(MouseEventArgs e)
{
TreeNode node = this.GetNodeAt(e.Location);
this.SelectedNode = node;

if (something)
menu1.Show(this, e.Location);
else
menu2.Show(this, e.Location);
}

where menu1 and menu2 both initialized in constructor like this (copy for
menu2):

menu1 = new ContextMenu();
menu1 .MenuItems.Add(renameItem);
menu1 .MenuItems.Add(deleteItem);

All that happens when I right-click is I select the node, but no context
menu ever appears! What's the proper way to do this?