控件模板、数据模板、面板模板



模板使用方式：首先定义模板，然后在把对应的key应用到控件对应的属性中；
属性对应：
控件模板，对应控件的Template；
数据模板，对应控件的ItemTemplate属性；
面板模板，对应控件的ItemsPanel属性。

控件模板：如果控件的样式不能满足，可自定义控件模板来设计样式。
数据模板：内容控件通过ContentTemplate属性支持数据模板；列表控件(即继承自ItemsControl类的控件)，通过ItemTemplate属性支持数据模板，该模板用于显示由ItemSource提供集合中的每一项。
面板模板：ItemsPanelTemplate用于指定项的布局。 ItemsControl 类型具有一个类型为ItemsPanelTemplate 的 ItemsPanel 属性。


一、控件模板：如果控件的样式不能满足，可自定义控件模板来设计样式。





[csharp] view plain copy print?
  1. <Window.Resources>  
  2.     <ControlTemplate x:Key="roundBtnTemplte">  
  3.         <Grid>  
  4.             <Ellipse Name="roundBtn" Width="100" Height="100" Fill="AliceBlue">  
  5.                   
  6.             </Ellipse>  
  7.             <ContentPresenter Content="{TemplateBinding Button.Content}" VerticalAlignment="Center">  
  8.                   
  9.             </ContentPresenter>  
  10.         </Grid>  
  11.         <ControlTemplate.Triggers>  
  12.             <Trigger Property="IsMouseOver" Value="true">  
  13.                 <Setter TargetName="roundBtn" Property="Fill" Value="Yellow">  
  14.                       
  15.                 </Setter>  
  16.             </Trigger>  
  17.         </ControlTemplate.Triggers>  
  18.     </ControlTemplate>  
  19. </Window.Resources>  
  20. <Grid>  
  21.     <Grid.ColumnDefinitions>  
  22.         <ColumnDefinition Width="1*"></ColumnDefinition>  
  23.         <ColumnDefinition Width="1*"></ColumnDefinition>  
  24.     </Grid.ColumnDefinitions>  
  25.     <StackPanel Margin="10" Grid.Column="0" Orientation="Horizontal">  
  26.         <Button Padding="5" Margin="5" Content="Round Button" Template="{StaticResource   
  27.   
  28. dBtnTemplte}"></Button>  
  29.         <Button Padding="5" Margin="5">nomal button</Button>  
  30.     </StackPanel>  
  31. </Grid>  
    <Window.Resources>
        <ControlTemplate x:Key="roundBtnTemplte">
            <Grid>
                <Ellipse Name="roundBtn" Width="100" Height="100" Fill="AliceBlue">
                    
                </Ellipse>
                <ContentPresenter Content="{TemplateBinding Button.Content}" VerticalAlignment="Center">
                    
                </ContentPresenter>
            </Grid>
            <ControlTemplate.Triggers>
                <Trigger Property="IsMouseOver" Value="true">
                    <Setter TargetName="roundBtn" Property="Fill" Value="Yellow">
                        
                    </Setter>
                </Trigger>
            </ControlTemplate.Triggers>
        </ControlTemplate>
    </Window.Resources>
    <Grid>
        <Grid.ColumnDefinitions>
            <ColumnDefinition Width="1*"></ColumnDefinition>
            <ColumnDefinition Width="1*"></ColumnDefinition>
        </Grid.ColumnDefinitions>
        <StackPanel Margin="10" Grid.Column="0" Orientation="Horizontal">
            <Button Padding="5" Margin="5" Content="Round Button" Template="{StaticResource 

roundBtnTemplte}"></Button>
            <Button Padding="5" Margin="5">nomal button</Button>
        </StackPanel>
    </Grid>


2.数据模板：内容控件通过ContentTemplate属性支持数据模板；列表控件(即继承自ItemsControl类的控件)，通过ItemTemplate属性支持数据模板，该模板用于显示由ItemSource提供集合中的每一项。

[csharp] view plain copy print?
  1. <Window x:Class="WpfApplication1.MainWindow"  
  2.         xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"  
  3.         xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"  
  4.         xmlns:sys="clr-namespace:System;assembly=mscorlib"  
  5.         Title="MainWindow" Height="350" Width="525">  
  6.     <Window.Resources>  
  7.         <!--创建数据模板-->  
  8.         <HierarchicalDataTemplate  x:Key="NavDataTem" ItemsSource="{Binding Children}">  
  9.             <Border Name="myborder" BorderBrush="AliceBlue" BorderThickness="2" Margin="3">  
  10.                 <StackPanel Orientation="Horizontal" Margin="0,3">  
  11.                     <CheckBox IsChecked="{Binding IsChecked}" Content=""/>  
  12.                     <Image Source="{Binding Icon}" Width="16" Height="16"></Image>  
  13.                     <TextBlock Name="txtOne" Margin="5" FontWeight="Bold" Text="{Binding ItemName}" ></TextBlock>  
  14.                     <TextBlock Name="txtTwo"  Margin="5" Text="{Binding ItemProperty}" ></TextBlock>  
  15.                 </StackPanel>  
  16.             </Border>  
  17.             <HierarchicalDataTemplate.Triggers>  
  18.                 <Trigger SourceName="myborder" Property="IsMouseOver" Value="True">  
  19.                     <Setter TargetName="txtOne" Property="Background" Value="LightGray"></Setter>  
  20.                     <Setter TargetName="txtTwo" Property="FontSize" Value="20"></Setter>  
  21.                 </Trigger>  
  22.             </HierarchicalDataTemplate.Triggers>  
  23.         </HierarchicalDataTemplate>  
  24.          
  25.     </Window.Resources>  
  26.     <StackPanel Margin="5">  
  27.   
  28.         <TreeView Name="treeTest" ScrollViewer.VerticalScrollBarVisibility="Visible"    
  29.                   ItemTemplate="{StaticResource NavDataTem}">  
  30.   
  31.         </TreeView>  
  32.     </StackPanel>  
  33. </Window>  
<Window x:Class="WpfApplication1.MainWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        xmlns:sys="clr-namespace:System;assembly=mscorlib"
        Title="MainWindow" Height="350" Width="525">
    <Window.Resources>
        <!--创建数据模板-->
        <HierarchicalDataTemplate  x:Key="NavDataTem" ItemsSource="{Binding Children}">
            <Border Name="myborder" BorderBrush="AliceBlue" BorderThickness="2" Margin="3">
                <StackPanel Orientation="Horizontal" Margin="0,3">
                    <CheckBox IsChecked="{Binding IsChecked}" Content=""/>
                    <Image Source="{Binding Icon}" Width="16" Height="16"></Image>
                    <TextBlock Name="txtOne" Margin="5" FontWeight="Bold" Text="{Binding ItemName}" ></TextBlock>
                    <TextBlock Name="txtTwo"  Margin="5" Text="{Binding ItemProperty}" ></TextBlock>
                </StackPanel>
            </Border>
            <HierarchicalDataTemplate.Triggers>
                <Trigger SourceName="myborder" Property="IsMouseOver" Value="True">
                    <Setter TargetName="txtOne" Property="Background" Value="LightGray"></Setter>
                    <Setter TargetName="txtTwo" Property="FontSize" Value="20"></Setter>
                </Trigger>
            </HierarchicalDataTemplate.Triggers>
        </HierarchicalDataTemplate>
       
    </Window.Resources>
    <StackPanel Margin="5">

        <TreeView Name="treeTest" ScrollViewer.VerticalScrollBarVisibility="Visible"  
                  ItemTemplate="{StaticResource NavDataTem}">

        </TreeView>
    </StackPanel>
</Window>

编码部分：

[csharp] view plain copy print?
  1. public class NavBarItem : INotifyPropertyChanged  
  2.    {  
  3.        public string ID { get { return Guid.NewGuid().ToString(); } }  
  4.        public string ItemName { get; set; }  
  5.        public string ItemProperty { get; set; }  
  6.        public List<NavBarItem> Children { get; set; }  
  7.        public NavBarItem()  
  8.        {  
  9.            Children = new List<NavBarItem>();  
  10.        }  
  11.   
  12.        public event PropertyChangedEventHandler PropertyChanged;  
  13.        public void OnPropertyChanged(PropertyChangedEventArgs e)  
  14.        {  
  15.            if (PropertyChanged != null)  
  16.                PropertyChanged(this, e);  
  17.        }  
  18.   
  19.    }  
  20.    /// <summary>  
  21.    /// Interaction logic for MainWindow.xaml  
  22.    /// </summary>  
  23.    public partial class MainWindow : Window  
  24.    {  
  25.        List<NavBarItem> _NavBarItems = new List<NavBarItem>();  
  26.         List<NavBarItem> NavBarItems  
  27.         {  
  28.             get { return _NavBarItems; }  
  29.             set { _NavBarItems = value; }  
  30.   
  31.         }  
  32.         
  33.        public MainWindow()  
  34.        {  
  35.              
  36.              
  37.            InitializeComponent();  
  38.   
  39.            treeTest.ItemsSource = NavBarItems;  
  40.            List<NavBarItem> childrenOne = new  List<NavBarItem>();  
  41.            childrenOne.Add(new NavBarItem()  
  42.                {  
  43.                    ItemName = "C++",  
  44.                    ItemProperty = "C++语言"  
  45.                });  
  46.            childrenOne.Add(new NavBarItem()  
  47.            {  
  48.                ItemName = "C",  
  49.                ItemProperty = "C语言"  
  50.            });  
  51.            childrenOne.Add(new NavBarItem()  
  52.            {  
  53.                ItemName = "C#",  
  54.                ItemProperty = "C#语言"  
  55.            });  
  56.            childrenOne.Add(new NavBarItem()  
  57.            {  
  58.                ItemName = "Java",  
  59.                ItemProperty = "Java语言"  
  60.            });  
  61.            
  62.   
  63.            List<NavBarItem> childrenTwo = new List<NavBarItem>();  
  64.            childrenTwo.Add(new NavBarItem()  
  65.            {  
  66.                ItemName = "Windows",  
  67.                ItemProperty = "微软"  
  68.            });  
  69.            childrenTwo.Add(new NavBarItem()  
  70.            {  
  71.                ItemName = "Linux",  
  72.                ItemProperty = "开源"  
  73.   
  74.            });  
  75.            childrenTwo.Add(new NavBarItem()  
  76.            {  
  77.                ItemName = "MacOS",  
  78.                ItemProperty = "苹果"  
  79.            });  
  80.   
  81.            NavBarItems.Add(new NavBarItem()  
  82.            {  
  83.                ItemName = "编程语言",  
  84.                Children = childrenOne  
  85.            });  
  86.            NavBarItems.Add(new NavBarItem()  
  87.            {  
  88.                ItemName = "操作系统",  
  89.                Children = childrenTwo  
  90.            });  
  91.        }  
  92.   
  93.          
  94.    }  
 public class NavBarItem : INotifyPropertyChanged
    {
        public string ID { get { return Guid.NewGuid().ToString(); } }
        public string ItemName { get; set; }
        public string ItemProperty { get; set; }
        public List<NavBarItem> Children { get; set; }
        public NavBarItem()
        {
            Children = new List<NavBarItem>();
        }

        public event PropertyChangedEventHandler PropertyChanged;
        public void OnPropertyChanged(PropertyChangedEventArgs e)
        {
            if (PropertyChanged != null)
                PropertyChanged(this, e);
        }

    }
    /// <summary>
    /// Interaction logic for MainWindow.xaml
    /// </summary>
    public partial class MainWindow : Window
    {
        List<NavBarItem> _NavBarItems = new List<NavBarItem>();
         List<NavBarItem> NavBarItems
         {
             get { return _NavBarItems; }
             set { _NavBarItems = value; }

         }
       
        public MainWindow()
        {
            
            
            InitializeComponent();

            treeTest.ItemsSource = NavBarItems;
            List<NavBarItem> childrenOne = new  List<NavBarItem>();
            childrenOne.Add(new NavBarItem()
                {
                    ItemName = "C++",
                    ItemProperty = "C++语言"
                });
            childrenOne.Add(new NavBarItem()
            {
                ItemName = "C",
                ItemProperty = "C语言"
            });
            childrenOne.Add(new NavBarItem()
            {
                ItemName = "C#",
                ItemProperty = "C#语言"
            });
            childrenOne.Add(new NavBarItem()
            {
                ItemName = "Java",
                ItemProperty = "Java语言"
            });
          

            List<NavBarItem> childrenTwo = new List<NavBarItem>();
            childrenTwo.Add(new NavBarItem()
            {
                ItemName = "Windows",
                ItemProperty = "微软"
            });
            childrenTwo.Add(new NavBarItem()
            {
                ItemName = "Linux",
                ItemProperty = "开源"

            });
            childrenTwo.Add(new NavBarItem()
            {
                ItemName = "MacOS",
                ItemProperty = "苹果"
            });

            NavBarItems.Add(new NavBarItem()
            {
                ItemName = "编程语言",
                Children = childrenOne
            });
            NavBarItems.Add(new NavBarItem()
            {
                ItemName = "操作系统",
                Children = childrenTwo
            });
        }

        
    }




说明：控件模板和数据模板的关系

控件只是数据和行为的载体，至于它本身长什么样子和数据长什么样子都是靠Template决定的。决定控件外观的是ControlTemplate，决定数据外观的是DataTemplate，它们正是Control类的Template和ContentTemplate两个属性的值。
　　一般来说，ControlTemplate内都有一个ContentPresenter，这个ContentPresenter的ContentTemplate就是DataTemplate类型。所以数据模板和控件模板的关系如下图所示：

Control类型
    - Template属性 (ControlTemplate类型)
        - ContentPresenter
            - ContentTemplate (DataTemplate类型)


ContentControl类型
    - Template属性 (ControlTemplate类型) 继承自Control
    - ContentTemplate (DataTemplate类型)


ItemsControl类型
    - Template属性 (ControlTemplate类型) 继承自Control
    - ItemsPanel属性 (ItemsPanelTemplate类型) 指定布局容器
    - ItemTemplate属性 (DateTemplate类型) 每个Item的Template


3.面板模板

增加ItemsPanelTemplate调整面板布局


[csharp] view plain copy print?
  1. <Window.Resources>  
  2.     <!--创建数据模板-->  
  3.     <HierarchicalDataTemplate  x:Key="NavDataTem" ItemsSource="{Binding Children}">  
  4.         <Border Name="myborder" BorderBrush="AliceBlue" BorderThickness="2" Margin="3">  
  5.             <StackPanel Orientation="Horizontal" Margin="0,3">  
  6.                 <CheckBox IsChecked="{Binding IsChecked}" Content=""/>  
  7.                 <Image Source="{Binding Icon}" Width="16" Height="16"></Image>  
  8.                 <TextBlock Name="txtOne" Margin="5" FontWeight="Bold" Text="{Binding ItemName}" ></TextBlock>  
  9.                 <TextBlock Name="txtTwo"  Margin="5" Text="{Binding ItemProperty}" ></TextBlock>  
  10.             </StackPanel>  
  11.         </Border>  
  12.         <HierarchicalDataTemplate.Triggers>  
  13.             <Trigger SourceName="myborder" Property="IsMouseOver" Value="True">  
  14.                 <Setter TargetName="txtOne" Property="Background" Value="LightGray"></Setter>  
  15.                 <Setter TargetName="txtTwo" Property="FontSize" Value="20"></Setter>  
  16.             </Trigger>  
  17.         </HierarchicalDataTemplate.Triggers>  
  18.     </HierarchicalDataTemplate>  
  19.     <ItemsPanelTemplate x:Key="ItemsPanelTem">  
  20.         <StackPanel Orientation="Horizontal"  
  21.                 VerticalAlignment="Center"  
  22.                 HorizontalAlignment="Left"/>  
  23.     </ItemsPanelTemplate>  
  24. </Window.Resources>  
  25. <StackPanel Margin="5">  
  26.   
  27.     <TreeView Name="treeTest" ScrollViewer.VerticalScrollBarVisibility="Visible"    
  28.               ItemTemplate="{StaticResource NavDataTem}" ItemsPanel="{StaticResource ItemsPanelTem}">  
  29.   
  30.     </TreeView>  
  31. </StackPanel>  
  32. /Window>  
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原文地址：https://www.cnblogs.com/dxmfans/p/9434886.html