add Pagination doc

doc/source/handycontrol/extend_controls/pagination/index.md

@@ -1,5 +1,45 @@
 ---
-title: 建设中
+title: Pagination 页码条
 ---
 
-建设中
+当数据量过多时，使用分页分解数据.
+
+```cs
+[TemplatePart(Name = ElementButtonLeft, Type = typeof(Button))]
+[TemplatePart(Name = ElementButtonRight, Type = typeof(Button))]
+[TemplatePart(Name = ElementButtonFirst, Type = typeof(RadioButton))]
+[TemplatePart(Name = ElementMoreLeft, Type = typeof(FrameworkElement))]
+[TemplatePart(Name = ElementPanelMain, Type = typeof(Panel))]
+[TemplatePart(Name = ElementMoreRight, Type = typeof(FrameworkElement))]
+[TemplatePart(Name = ElementButtonLast, Type = typeof(RadioButton))]
+[TemplatePart(Name = ElementButtonLast, Type = typeof(NumericUpDown))]
+public class Pagination : Control
+```
+
+# 属性
+
+|属性|描述|默认值|备注|
+|-|-|-|-|
+|MaxPageCount|最大页数|1||
+|DataCountPerPage|每页的数据量|20||
+|PageIndex|页码|1||
+|MaxPageInterval|当前选中的按钮距离左右两个方向按钮的最大间隔（4表示间隔4个按钮，如果超过则用省略号表示）|3||
+|IsJumpEnabled|是否显示跳转框|false|||
+
+# 事件
+
+|名称|说明|
+|-|-|
+| PageUpdated | 页码改变时触发 |
+
+# 案例
+
+```xml
+<hc:Pagination MaxPageCount="10" PageIndex="5" IsJumpEnabled="True"/>
+```
+
+![Pagination](https://raw.githubusercontent.com/HandyOrg/HandyOrgResource/master/HandyControl/Doc/native_controls/Pagination.png)
+
+{% note warning %}
+当页码为1时，页码条整体不会显示。
+{% endnote %}