1 <UserControl x:Class="WpfApplication1.autoBox"
 2              xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
 3              xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
 4              xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" 
 5              xmlns:d="http://schemas.microsoft.com/expression/blend/2008" 
 6              xmlns:local="clr-namespace:WpfApplication1"
 7              mc:Ignorable="d" 
 8              d:DesignHeight="300" d:DesignWidth="300">
 9     <UserControl.Resources>
10         <Style TargetType="ListBox">
11             <Setter Property="BorderThickness" Value="1"/>
12             <Setter Property="ScrollViewer.HorizontalScrollBarVisibility" Value="Disabled"/>
13             <Setter Property="ScrollViewer.VerticalScrollBarVisibility" Value="Auto"/>
14             <Setter Property="ScrollViewer.CanContentScroll" Value="true"/>
15             <Setter Property="VerticalContentAlignment" Value="Center"/>
16         </Style>
17         <Style TargetType="ListBoxItem">
18             <Setter Property="Foreground" Value="Black" />
19             <Setter Property="Margin" Value="2"/>
20             <Setter Property="FontSize" Value="13" />
21             <Style.Triggers>
22                 <Trigger Property="IsSelected" Value="True">
23                     <Setter Property="Background" Value="#08246B">
24                     </Setter>
25                     <Setter Property="Foreground" Value="White" />
26                 </Trigger>
27             </Style.Triggers>
28             <Style.Resources>
29                 <SolidColorBrush x:Key="{x:Static SystemColors.HighlightBrushKey}" Color="#08246B"  />
30                 <SolidColorBrush x:Key="{x:Static SystemColors.ControlBrushKey}" Color="#08246B"  />
31             </Style.Resources>
32         </Style>
33         <Style TargetType="Button">
34             <Setter Property="FontSize" Value="13" />
35             <Setter Property="Foreground" Value="Blue" />
36             <Setter Property="BorderBrush" Value="Transparent"/>
37             <Setter Property="Background" Value="Transparent"/>
38             <EventSetter Event="Click" Handler="Button_LeftClick"/>
39             <Style.Triggers>
40                 <Trigger Property="IsMouseOver" Value="True">
41                     <Setter Property="Background" Value="Yellow"/>
42                 </Trigger>
43             </Style.Triggers>
44         </Style>
45         <Style x:Key="styleToStackPannel" TargetType="StackPanel">
46             <Style.Triggers>
47                 <Trigger Property="IsMouseOver" Value="True">
48                     <Setter Property="Background" Value="Yellow"/>
49                 </Trigger>
50             </Style.Triggers>
51             <Style.Resources>
52                 <SolidColorBrush x:Key="{x:Static SystemColors.HighlightBrushKey}" Color="#08246B"  />
53                 <SolidColorBrush x:Key="{x:Static SystemColors.ControlBrushKey}" Color="#08246B"  />
54             </Style.Resources>
55         </Style>
56         <ControlTemplate x:Key="dt">
57             <Button Name="btn" Width="auto" Height="auto" >
58                 <Button.Template>
59                     <ControlTemplate>
60                         <StackPanel Name="sp"  Orientation="Horizontal" Style="{StaticResource styleToStackPannel}" >
61                             <Image Name="img" Width="16" Height="16"></Image>
62                             <TextBlock Text="新增"></TextBlock>
63                         </StackPanel>
64                     </ControlTemplate>
65                 </Button.Template>
66             </Button>
67         </ControlTemplate>      
68     </UserControl.Resources>
69 
70 
71 
72     <StackPanel>
73         <TextBox Name="tb" LostFocus="tb_LostFocus"/>
74         <ListBox Name="lb" MaxHeight="150" Canvas.Left="0" Canvas.Top="20" Visibility="Collapsed"/>
75     </StackPanel>
76 
77 </UserControl>