namespace OSSDOM.DataQuality.CommonSL.Control
{
    public partial class SelectToMonth : UserControl
    {
        #region select title property
        public static readonly DependencyProperty SelectTitleProperty =
            DependencyProperty.Register("SelectTitle", typeof(String), typeof(SelectToMonth), null);//这块是类型
        public string SelectTitle
        {
            get { return (string)GetValue(SelectTitleProperty); }
            set
            {
                SetValue(SelectTitleProperty, value);
            }
        }
        #endregion

<UserControl x:Class="OSSDOM.DataQuality.CommonSL.Control.SelectToMonth"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
    xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
    mc:Ignorable="d"
    d:DesignHeight="27" d:DesignWidth="220" x:Name="userControl">
   
    <Grid x:Name="LayoutRoot" Background="White">
        <Grid.ColumnDefinitions>
            <ColumnDefinition Width="60"/>
            <ColumnDefinition Width="63"/>
            <ColumnDefinition Width="15"/>
            <ColumnDefinition Width="64"/>
            <ColumnDefinition Width="15*"/>
        </Grid.ColumnDefinitions>

        <TextBlock Height="20" Margin="2,3,1,0" Name="title" HorizontalAlignment="Stretch" VerticalAlignment="Top" Text="{Binding SelectTitle, ElementName=userControl}"  />   //这块是控件名称userControl



 <my:SelectToMonth Grid.Row="1" x:Name="结束时间" SelectTitle="结束时间" />