• WPF的ListView控件自定义布局用法实例


    本文实例讲述了WPF的ListView控件自定义布局用法。分享给大家供大家参考,具体如下:

    概要:

    以源码的形式贴出,免得忘记后,再到网上查资料。在VS2008+SP1环境下调试通过

    引用的GrayscaleEffect模块,可根据参考资料《Grayscale Effect...》中的位置下载。

    正文:

    如何布局是在App.xaml中定义源码如下

    1
    2
    3
    4
    5
    6
    7
    8
    9
    10
    11
    12
    13
    14
    15
    16
    17
    18
    19
    20
    21
    22
    23
    24
    25
    26
    27
    28
    29
    30
    31
    32
    33
    34
    35
    36
    37
    38
    39
    40
    41
    42
    43
    44
    45
    46
    47
    48
    49
    50
    51
    52
    53
    54
    55
    56
    57
    58
    59
    60
    61
    62
    63
    64
    65
    66
    67
    68
    69
    70
    71
    72
    73
    <Application x:Class="CWebsSynAssistant.App"
      xmlns:effect="clr-namespace:GrayscaleEffect;assembly=GrayscaleEffect"
      StartupUri="Window1.xaml">
      <Application.Resources>
        <!-- ListView的布局模板-->
        <ControlTemplate x:Key="myLVTemplate" TargetType="{x:Type ListView}">
          <Grid>
            <ScrollViewer x:Name="ScrollViewerElement"
                Background="White"
                VerticalScrollBarVisibility="Auto"
                HorizontalScrollBarVisibility="Disabled">
              <ItemsPresenter>
              </ItemsPresenter>
            </ScrollViewer>
          </Grid>
        </ControlTemplate>
        <!-- ListViewItem的布局模板-->
        <DataTemplate x:Key="myLVItemTemplate">
          <Grid Name="myGrid" Width="70" Margin="8,8,0,0">
            <Grid.RowDefinitions>
              <RowDefinition Height="Auto"></RowDefinition>
              <RowDefinition Height="Auto"></RowDefinition>
            </Grid.RowDefinitions>
            <Image Name="img" Source="{Binding Path=ISource}" HorizontalAlignment="Center"
                Width="32" Height="32" Stretch="UniformToFill"
                ToolTip="{Binding Path=FullFileName}" >
              <Image.Effect>
                <effect:GrayscaleEffect x:Name="grayscaleEffect" DesaturationFactor="1.0"/>
              </Image.Effect>
            </Image>
            <TextBlock Name="imgTitle" Text="{Binding Path=FileName}" Grid.Row="1" HorizontalAlignment="Center"
                  FontSize="10" FontFamily="Arial"
                  ToolTip="{Binding Path=FullFileName}" Margin="4,4,4,4" TextTrimming="CharacterEllipsis" />
          </Grid>
          <DataTemplate.Triggers>
            <DataTrigger Binding="{Binding RelativeSource={RelativeSource Mode=FindAncestor,
              AncestorType={x:Type ListViewItem}}, Path=IsSelected}" Value="True">
              <Setter TargetName="myGrid" Property="Background" Value="White"/>
              <Setter TargetName="imgTitle" Property="Background" Value="CadetBlue"/>
              <Setter TargetName="imgTitle" Property="Foreground" Value="White"/>
              <Setter TargetName="img" Property="Effect">
                <Setter.Value>
                  <effect:GrayscaleEffect DesaturationFactor="0.5"/>
                </Setter.Value>
              </Setter>
              <!--
              <Setter TargetName="img" Property="Opacity" Value=".5"></Setter>
              -->
            </DataTrigger>
          </DataTemplate.Triggers>
        </DataTemplate>
        <!--下面这段代码不用,选中的时候边框有些边会变成蓝色(不是你希望的颜色)-->
        <Style TargetType="{x:Type ListViewItem}" x:Key="ItemContainerStyle">
          <Setter Property="Template">
            <Setter.Value>
              <ControlTemplate TargetType="{x:Type ListViewItem}">
                <Border x:Name="Bd" Background="{TemplateBinding Background}"
                    BorderBrush="{TemplateBinding BorderBrush}" BorderThickness="0" >
                  <ContentPresenter/>
                </Border>
                <ControlTemplate.Triggers>
                  <Trigger Property="IsSelected" Value="true">
                    <Setter Property="Background" TargetName="Bd" Value="White"/>
                  </Trigger>
                </ControlTemplate.Triggers>
              </ControlTemplate>
            </Setter.Value>
          </Setter>
        </Style>
      </Application.Resources>
    </Application>

    如何引用在Windows1.xaml中定义源码如下

    1
    2
    3
    4
    5
    6
    7
    8
    9
    10
    <ListView x:Name="listView1" ItemTemplate="{StaticResource myLVItemTemplate}"
         Template="{StaticResource myLVTemplate}" ItemContainerStyle="{StaticResource ItemContainerStyle}"
         Margin="0,4,0,4"  MouseDoubleClick="OnLocalFSOpen" Grid.Row="2">
      <!--下面定义WarpPanel,使Item项在容器里从左到右从上到下排列-->
      <ItemsControl.ItemsPanel>
        <ItemsPanelTemplate>
          <WrapPanel/>
        </ItemsPanelTemplate>
      </ItemsControl.ItemsPanel>
    </ListView>
  • 相关阅读:
    wsl 2 unbuntu 部署 asp.net core 使用 nginx 做反向代理,调试文件上传失败
    【原创】Linux PCI驱动框架分析(三)
    JavaScript 的灵异事件之一
    javascript 对http的get请求参数编码encodeURIComponent、encodeURI 和Java 解码
    Docker 容器逃逸漏洞 (CVE-2020-15257)
    如何关掉页面版知乎的登录模态框
    一个让java程序员有杀人的冲动的Xerces冲突问题
    双十一 大促 云服务器哪家好 哪家强(价格最低)
    git 拉取指定目录
    nginx 剔除 $args 变量中任意指定参数之万金油
  • 原文地址:https://www.cnblogs.com/sjqq/p/6899565.html
Copyright © 2020-2023  润新知