弹出的窗口中标题文字还是没有居中对齐。哪位知道下面这句有什么问题吗？

Question

可弹出的窗口中标题文字还是没有居中对齐。哪位知道下面这句有什么问题吗？
_name.TextAlign = ContentAlignment.MiddleCenter;
        public void ShowForm()
        {
            switch (this.InfoState)
            {
                case InformStyle.Vanish://窗体隐藏
                    this.InfoState = InformStyle.Displaying;//设置窗体的操作状态为显示中
                    this.SetBounds(Rect.X, Rect.Y + Rect.Height, Rect.Width, 0);//显示Popup窗体，并放置到屏幕的底部
                    ShowWindow(this.Handle, 4);//显示窗体
                    this.timer1.Interval = 100;//设置时间间隔为100
                    this.timer1.Start();//启动计时器  
                    _name.Text = cls_popup._name;
                    _content.Text = cls_popup._content;
                    _name.TextAlign = ContentAlignment.MiddleCenter;
                    break;
                case InformStyle.Display://窗体显示
                    //this.timer1.Stop();//停止计时器
                    //this.timer1.Interval = 5000;//设置时间间隔为5000
                    //this.timer1.Start();//启动记时器
                    //break;
                    this.InfoState = InformStyle.Displaying;//设置窗体的操作状态为显示中
                    this.SetBounds(Rect.X, Rect.Y + Rect.Height, Rect.Width, 0);//显示Popup窗体，并放置到屏幕的底部
                    ShowWindow(this.Handle, 4);//显示窗体
                    this.timer1.Interval = 100;//设置时间间隔为100
                    this.timer1.Start();//启动计时器                    
                    _name.Text = cls_popup._name;
                    _content.Text = cls_popup._content;
                    _name.TextAlign = ContentAlignment.MiddleCenter;
                    break;
            }
        }

Answer 1

 _name.Text = cls_popup._name.Trim();