Defines the contents of column headers and cells by using templates. : DataTemplate « Windows Presentation Foundation « VB.Net






Defines the contents of column headers and cells by using templates.

Defines the contents of column headers and cells by using templates.
      

<Window x:Class="WpfApplication1.Window1"
     xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:ds="clr-namespace:WpfApplication1">
  <Window.Resources>
    <ObjectDataProvider x:Key="myDateCollectionDataSource" ObjectType="{x:Type ds:myDateCollection}"/>
    <Style x:Key="GridViewColumnHeaderGripper" TargetType="{x:Type Thumb}">
      <Setter Property="Height" Value="{Binding Path=ActualHeight,RelativeSource={RelativeSource TemplatedParent}}"/>
      <Setter Property="Template">
        <Setter.Value>
          <ControlTemplate TargetType="{x:Type Thumb}">
            <Border>
              <Rectangle HorizontalAlignment="Center" Width="1" Fill="Black"/>
            </Border>
          </ControlTemplate>
        </Setter.Value>
      </Setter>
    </Style>
    <Style x:Key="myControlTemplateStyle" TargetType="{x:Type GridViewColumnHeader}">
      <Setter Property="Template">
        <Setter.Value>
          <ControlTemplate TargetType="{x:Type GridViewColumnHeader}">
            <Grid Background="LightBlue">
              <DockPanel HorizontalAlignment="Center" VerticalAlignment="Center">
                <CheckBox></CheckBox>
                <TextBlock Text="{TemplateBinding Content}" FontSize="16" Foreground="DarkBlue"/>
              </DockPanel>
              <Canvas>
              <Thumb x:Name="PART_HeaderGripper"
                     Style="{StaticResource GridViewColumnHeaderGripper}"
                     Background="Transparent"
                     />
            </Canvas>
            </Grid>
          </ControlTemplate>
        </Setter.Value>
      </Setter>
    </Style>

    <Style x:Key="myHeaderStyle" TargetType="{x:Type GridViewColumnHeader}">
      <Setter Property="Background" Value="LightBlue"/>
    </Style>

    <DataTemplate x:Key="myHeaderTemplate">
      <DockPanel>
        <CheckBox/>
        <TextBlock FontSize="16" Foreground="DarkBlue">
          <TextBlock.Text>
            <Binding/>
          </TextBlock.Text>
        </TextBlock>
      </DockPanel>
    </DataTemplate>

    <DataTemplate x:Key="myCellTemplateDay">
      <DockPanel>
        <TextBlock Foreground="DarkBlue" HorizontalAlignment="Center">
          <TextBlock.Text>
            <Binding Path="Day"/>
          </TextBlock.Text>
        </TextBlock>
      </DockPanel>
    </DataTemplate>

    <DataTemplate x:Key="myCellTemplateMonth">
      <DockPanel>
        <TextBlock Foreground="DarkBlue" HorizontalAlignment="Center">
          <TextBlock.Text>
            <Binding Path="Month"/>
          </TextBlock.Text>
        </TextBlock>
      </DockPanel>
    </DataTemplate>
    <DataTemplate x:Key="myCellTemplateYear">
      <DockPanel>
        <TextBlock Foreground="DarkBlue" HorizontalAlignment="Center">
          <TextBlock.Text>
            <Binding Path="Year"/>
          </TextBlock.Text>
        </TextBlock>
      </DockPanel>
    </DataTemplate>
  </Window.Resources>
  <StackPanel>
      <ListView ItemsSource="{Binding Source={StaticResource myDateCollectionDataSource}}"
                HorizontalAlignment="Center">
        <ListView.View>
          <GridView>
            <GridViewColumn Header="Year" Width="80"
                  HeaderContainerStyle="{StaticResource myHeaderStyle}"
                  HeaderTemplate="{StaticResource myHeaderTemplate}"
                  CellTemplate="{StaticResource myCellTemplateYear}"/>
            <GridViewColumn Header="Month" Width="80"
                  HeaderContainerStyle="{StaticResource myHeaderStyle}"
                  HeaderTemplate="{StaticResource myHeaderTemplate}"
                  DisplayMemberBinding="{Binding Path=Month}"/>
            <GridViewColumn Header="Day" Width="80"
                  HeaderContainerStyle="{StaticResource myHeaderStyle}"
                  HeaderTemplate="{StaticResource myHeaderTemplate}"
                  CellTemplate="{StaticResource myCellTemplateDay}"/>
          </GridView>
        </ListView.View>
      </ListView>
  </StackPanel>

</Window>
//File:Window.xaml.vb
Imports System
Imports System.Windows
Imports System.Windows.Controls
Imports System.Windows.Data
Imports System.Windows.Documents
Imports System.Windows.Media
Imports System.Windows.Shapes
Imports System.Windows.Controls.Primitives
Imports System.Collections.ObjectModel

Namespace WpfApplication1
  Public Partial Class Window1
    Inherits Window
  End Class

  Public Class myDateCollection
    Inherits ObservableCollection(Of DateTime)
    Public Sub New()
      Add(New DateTime(2005, 1, 1))
      Add(New DateTime(2004, 8, 1))
      Add(New DateTime(2003, 12, 4))
      Add(New DateTime(2004, 2, 18))
      Add(New DateTime(2004, 6, 30))
    End Sub
  End Class
End Namespace

   
    
    
    
    
    
  








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