Controls/RunningText.cs

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using System;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Markup;
using System.Windows.Media.Animation;

namespace Micro.Ui.RunningTextStyle.Controls
{
    /// <summary>
    /// 滚动方向
    /// </summary>
    public enum RunningDirection
    {
        /// <summary>
        /// 从右往左
        /// </summary>
        RightToLeft,
        /// <summary>
        /// 从左往右
        /// </summary>
        LeftToRight,
        /// <summary>
        /// 从下往上
        /// </summary>
        BottomToTop,
        /// <summary>
        /// 从上往下
        /// </summary>
        TopToBottom
    }

    /// <summary>
    /// 滚动文字
    /// </summary>
    [ContentProperty("Text")]
    [TemplatePart(Name = "PART_Canvas", Type = typeof(Canvas))]
    [TemplatePart(Name = "PART_Txt1", Type = typeof(TextBlock))]
    [TemplatePart(Name = "PART_Txt2", Type = typeof(TextBlock))]
    public class RunningText : Control
    {
        #region DependencyProperties

        /// <summary>
        /// 滚动的文字
        /// </summary>
        public static readonly DependencyProperty TextProperty = TextBlock.TextProperty.AddOwner(typeof(RunningText));
        /// <summary>
        /// 滚动的文字
        /// </summary>
        public String Text { get => (String)GetValue(TextProperty); set => SetValue(TextProperty, value); }



        /// <summary>
        /// 间距
        /// </summary>
        public static readonly DependencyProperty SpaceProperty = DependencyProperty.Register("Space", typeof(Double), typeof(RunningText), new PropertyMetadata(Double.NaN, OnSpacePropertyChanged));

        private static void OnSpacePropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
        {