一个wpf的数据分页控件

DataPager 分页控件

代码下载地址：http://download.youkuaiyun.com/detail/w_wang_w/8473825

cs部分

 

using System;
using System.Collections;
using System.Collections.Generic;
using System.ComponentModel;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Controls.Primitives;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;

namespace Common.Controls
{
    /// <summary>
    /// 按照步骤 1a 或 1b 操作，然后执行步骤 2 以在 XAML 文件中使用此自定义控件。
    ///
    /// 步骤 1a) 在当前项目中存在的 XAML 文件中使用该自定义控件。
    /// 将此 XmlNamespace 特性添加到要使用该特性的标记文件的根
    /// 元素中:
    ///
    ///     xmlns:MyNamespace="clr-namespace:Common.Controls"
    ///
    ///
    /// 步骤 1b) 在其他项目中存在的 XAML 文件中使用该自定义控件。
    /// 将此 XmlNamespace 特性添加到要使用该特性的标记文件的根
    /// 元素中:
    ///
    ///     xmlns:MyNamespace="clr-namespace:Common.Controls.DataPage;assembly=Common.Controls.DataPage"
    ///
    /// 您还需要添加一个从 XAML 文件所在的项目到此项目的项目引用，
    /// 并重新生成以避免编译错误:
    ///
    ///     在解决方案资源管理器中右击目标项目，然后依次单击
    ///     “添加引用”->“项目”->[浏览查找并选择此项目]
    ///
    ///
    /// 步骤 2)
    /// 继续操作并在 XAML 文件中使用控件。
    ///
    ///     <MyNamespace:CustomControl1/>
    ///
    /// </summary>
    ///
    //定义一委托类型  
    public delegate IEnumerable PageChangeEventHandler(int pageIndex, int pageSize);
    public delegate int CountEventHandler();

    [TemplatePart(Name = PART_BtnJump, Type = typeof(Button))]
    public class DataPager : Control,INotifyPropertyChanged
    {
        #region 构造函数
        static DataPager()
        {
            DefaultStyleKeyProperty.OverrideMetadata(typeof(DataPager), new FrameworkPropertyMetadata(typeof(DataPager)));
        }

        public DataPager()
        {
          //  Keyboard.AddKeyDownHandler(this, OnKeyDown);
          //  Mouse.AddPreviewMouseDownOutsideCapturedElementHandler(this, OnMouseDownOutsideCapturedElement);
            this.Loaded += DataPager_Loaded;
          
           
        }
        #endregion

        #region 私有变量

        private const string PART_BtnJump = "PART_BtnJump";
        private const string PART_BtnPrePage = "PART_BtnPrePage";
        private const string PART_BtnNextPage = "PART_BtnNextPage";
        private const string PART_LblPageIndex = "PART_LblPageIndex";
        private const string PART_LblPageCount = "PART_LblPageCount";
        private const string PART_BtnJumpOK = "PART_BtnJumpOK";
        private const string PART_TxtPageIndex = "PART_TxtPageIndex";
       
       

        private ToggleButton btnJump;
        private Button btnPrePage;
        private Button btnNextPage;

        private Label lblPageIndex;
        private Label lblPageCount;

        private Button btnJumpOK;
        private TextBox txtPageIndex;

      
        private IEnumerable m_curPageData;
       

        #endregion

      

        #region  依赖属性
        public static readonly DependencyProperty IsVisablePopupJumpProperty = DependencyProperty.Register("IsVisablePopupJump", typeof(bool), typeof(DataPager), new UIPropertyMetadata(false, null));

        /// <summary>
        /// 依赖属性：单页最大数据量
        /// </summary>
        public static readonly DependencyProperty PageSizeProperty = DependencyProperty.Register("PageSize", typeof(int), typeof(DataPager), new PropertyMetadata(new PropertyChangedCallback(DataPager.PageSizeChanged)));

        /// <summary>
        /// 每一页的数据数量
        /// </summary>
        public int PageSize
        {
            get
            {
                return (int)GetValue(PageSizeProperty);
            }
            set
            {
                SetValue(PageSizeProperty, value);

            }
        }
        private static void PageSizeChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
        {

        }
       
        #endregion

        #region 属性
        public bool IsVisablePopupJump
        {
            get
            {
                return (bool)GetValue(IsVisablePopupJumpProperty);
            }
            set
            {
                SetValue(IsVisablePopupJumpProperty, value);
            }
        }

        private int pageIndex = 1;
        /// <summary>       
        /// 当前页面索引       
        /// </summary>       
        public int PageIndex
        {
            get
            {
    &