public void Handle(View itemView, T viewModel)
{
_viewModel = viewModel;
_lastContextMenuComponent = _contextMenuFunc(viewModel);
var popup = _lastContextMenuComponent.BuildMenu(itemView.Context, itemView);
popup.MenuItemClick += PopupMenuItemClickHandler;
popup.DismissEvent += PopupDismissEvent;
popup.Show();
}
private void PopupDismissEvent(object sender, PopupMenu.DismissEventArgs e)
{
_lastContextMenuComponent = null;
_viewModel = default(T);
}