/// <summary>

    /// Label走马灯自定义控件

    /// </summary>

    [ToolboxBitmap(typeof(Label))] //设置工具箱中显示的图标

    public class ScrollingTextControl : Label

    {

        /// <summary>

        /// 定时器

        /// </summary>

        Timer MarqueeTimer = new Timer();

        /// <summary>

        /// 滚动文字源

        /// </summary>

        String _TextSource = "滚动文字源";

        /// <summary>

        /// 输出文本

        /// </summary>

        String _OutText = string.Empty;

        /// <summary>

        /// 过度文本存储

        /// </summary>

        string _TempString = string.Empty;

        /// <summary>

        /// 文字的滚动速度

        /// </summary>

        double _RunSpeed = ;

        DateTime _SignTime;

        bool _IfFirst = true;

        /// <summary>

        /// 滚动一循环字幕停留的秒数,单位为毫秒,默认值停留3秒

        /// </summary>

        int _StopSecond = ;

        /// <summary>

        /// 滚动一循环字幕停留的秒数,单位为毫秒,默认值停留3秒

        /// </summary>

        public int StopSecond

        {

            get { return _StopSecond; }

            set

            {

                _StopSecond = value;

            }

        }

        /// <summary>

        /// 滚动的速度

        /// </summary>

        [Description("文字滚动的速度")]　//显示在属性设计视图中的描述

        public double RunSpeed

        {

            get { return _RunSpeed; }

            set

            {

                _RunSpeed = value;

                MarqueeTimer.Interval = _RunSpeed;

            }

        }

        /// <summary>

        /// 滚动文字源

        /// </summary>

        [Description("文字滚动的Text")]

        public string TextSource

        {

            get { return _TextSource; }

            set

            {

                _TextSource = value;

                _TempString = _TextSource + "   ";

                _OutText = _TempString;

            }

        }

        private string SetContent

        {

            get { return Content.ToString(); }

            set

            {

                Content = value;

            }

        }

        /// <summary>

        /// 构造函数

        /// </summary>

        public ScrollingTextControl()

        {

            MarqueeTimer.Interval = _RunSpeed;//文字移动的速度

            MarqueeTimer.Enabled = true;      //开启定时触发事件

            MarqueeTimer.Elapsed += new ElapsedEventHandler(MarqueeTimer_Elapsed);//绑定定时事件

            this.Loaded += new RoutedEventHandler(ScrollingTextControl_Loaded);//绑定控件Loaded事件

        }

        void ScrollingTextControl_Loaded(object sender, RoutedEventArgs e)

        {

            _TextSource = SetContent;

            _TempString = _TextSource + "   ";

            _OutText = _TempString;

            _SignTime = DateTime.Now;

        }

        void MarqueeTimer_Elapsed(object sender, ElapsedEventArgs e)

        {

            if (string.IsNullOrEmpty(_OutText)) return;

            if (_OutText.Substring() + _OutText[] == _TempString)

            {

                if (_IfFirst)

                {

                    _SignTime = DateTime.Now;

                }

                if ((DateTime.Now - _SignTime).TotalMilliseconds > _StopSecond)

                {

                    _IfFirst = true; ;

                }

                else

                {

                    _IfFirst = false;

                    return;

                }

            }

            _OutText = _OutText.Substring() + _OutText[];

            Dispatcher.BeginInvoke(new Action(() =>

            {

                SetContent = _OutText;

            }));

        }

    }

<Window x:Class="WpfDemoNew.Window21"

        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"

        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"

        Title="Window21" Height="300" Width="300" xmlns:my="clr-namespace:WpfDemoNew.Control">

    <Grid x:Name="grid">

        <my:ScrollingTextControl Content="12345" Height="52" HorizontalAlignment="Left" Margin="10,10,0,0" x:Name="scrollingTextControl1" VerticalAlignment="Top" Width="121" Foreground="Black" />

    </Grid>

</Window>