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WPF Linear Fill

开发者 https://www.devze.com 2022-12-28 18:15 出处:网络
I have found some example code that creates a gradient fill in a WPF rectangle control: <Rectangle Height=\"{Binding ElementName=txtName}\" Width=\"{Binding ElementName=txtName}\">

I have found some example code that creates a gradient fill in a WPF rectangle control:

<Rectangle Height="{Binding ElementName=txtName}" Width="{Binding ElementName=txtName}">
                            <Rectangle.Fill>
                                <LinearGradientBrush>
                                    <GradientStop Color="Silver" Offset="0.0" />
                                    <GradientStop Color="Black" Offset="0.5" />
                                    <GradientStop Color="white" Offset="1.0" />
                                </LinearGradientBrush>
                            </Rectangle.Fill>
                        </Rectangle> 

I have some written 开发者_运维问答some code that displays a collection of ListBox's that contain details from MyObject:

<UserControl.Resources>
        <DataTemplate x:Key="CustomerTemplate">
            <Border BorderThickness="2" BorderBrush="Silver" CornerRadius="5" Padding="1" Height="50">
                <Grid x:Name="thisGrid">
                    <Grid.ColumnDefinitions>
                        <ColumnDefinition Width="Auto" />
                        <ColumnDefinition Width="Auto" />
                    </Grid.ColumnDefinitions>
                    <StackPanel Orientation="Horizontal" >
                                <Image Source="C:\MyImage.jpg" Height="50" Width="100" ></Image>
                    </StackPanel>
                    <Border Grid.Column="1" Margin="0" Padding="0">
                            <StackPanel Orientation="Vertical">
                            <TextBlock Name="txtName" Text="{Binding Name}" Background="Silver" Foreground="Black" FontSize="16" FontWeight="Bold" Height="25"/>
                        </StackPanel>
                    </Border>

                </Grid>
            </Border>
        </DataTemplate>
</UserControl.Resources>
    <ListBox ItemsSource="{Binding}" ItemTemplate="{StaticResource CustomerTemplate}" 
                 Name="grdList" HorizontalContentAlignment="Stretch" VerticalContentAlignment="Stretch" >

    </ListBox>

I would like to apply the same stlye of fill that i get with the first example, in each of my ListBox's. I can't quite figure out how to do this. Can anyone help?

Thanks


Have you looked at setting the background fill of the item containers using the ItemContainerStyle property of ListBox?


Since you can change ControlTemplate of your ListBox like in the example here http://msdn.microsoft.com/en-us/library/ms754242(VS.85).aspx, you can write something like this

<Page
  xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
  xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
  <Page.Resources>
  <Style x:Key="{x:Type ListBox}" TargetType="ListBox">
  <Setter Property="Template">
    <Setter.Value>
      <ControlTemplate TargetType="ListBox">
        <Border 
          Name="Border" 
          BorderThickness="1"
          CornerRadius="20" Style="{DynamicResource DynamicGridBrush}">         
          <ScrollViewer Margin="0" Focusable="false">
            <StackPanel Margin="2" IsItemsHost="True" />
          </ScrollViewer>
        </Border>        
      </ControlTemplate>
    </Setter.Value>
  </Setter>
</Style>
<Style TargetType="Border" x:Key="DynamicGridBrush">
    <Setter Property="Background">
      <Setter.Value>
        <LinearGradientBrush StartPoint="0,0" EndPoint="0,1">
          <GradientStop Offset="0" Color="LightBlue" />
          <GradientStop Offset="0.65" Color="LightGreen" />
          <GradientStop Offset="1" Color="White" />
        </LinearGradientBrush>
      </Setter.Value>      
    </Setter>
  </Style></Page.Resources>
  <Grid>  
    <ListBox>      
      <TextBlock>aaa</TextBlock>
      <TextBlock>bbb</TextBlock>
      <TextBlock>ccc</TextBlock>
    </ListBox>
  </Grid>
</Page>

If I understood your question and you would like to apply gradient background to your whole listbox.

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