Telerik WinForms Radgriview过滤器布尔值

我正在使用Telerik WinForms RadGridView控件，我已经设置了类似Excel的过滤，一切正常，但我有一个小问题。过滤布尔字段时，在过滤器弹出窗口中，它们的值为：True和False。是否可以将它们更改为更方便用户的内容，如是和否？

Telerik的人员帮助我解决了这个问题：

为了避免出现仅链接的答案，如果链接出现故障，答案并不理想。以下是解决此问题的相关代码：

void radGridView1_FilterPopupRequired(object sender, FilterPopupRequiredEventArgs e)
{
    RadListFilterPopup popup = e.FilterPopup as RadListFilterPopup;
    if (popup != null)
    {
        RadTreeView tree = popup.MenuTreeElement.TreeView;
        tree.NodeAdded += new RadTreeView.RadTreeViewEventHandler(tree_NodeAdded);
        popup.PopupClosed += new RadPopupClosedEventHandler(popup_PopupClosed);
    }
}

void popup_PopupClosed(object sender, RadPopupClosedEventArgs args)
{
    RadListFilterPopup popup = sender as RadListFilterPopup;
    popup.MenuTreeElement.TreeView.NodeAdded -= new RadTreeView.RadTreeViewEventHandler(tree_NodeAdded);
}

void tree_NodeAdded(object sender, RadTreeViewEventArgs e)
{
    if (e.Node.Text == "False")
    {
        e.Node.Text = "No";
    }
    else if (e.Node.Text == "True")
    {
        e.Node.Text = "Yes";
    }
}