ListView 网格中的 WPF TexBlock 大小调整不正确?

发布于 2024-08-03 00:14:10 字数 2948 浏览 3 评论 0原文

我有一个位于网格中的 TextBlock,它是 ListView 的 ItemTemplate。我有这些项目,以便在调整窗口大小时它们会增长,但我不知道如何将 TextBlock 限制为该大小。我尝试使用 ColumnDefinition 上的宽度来执行此操作 - 如果我将宽度设置为固定数字(例如 350),则文本会正确换行,但显然当窗口扩展时 TextBlock 不会扩展 - 如果我设置宽度为“*”,然后出现一个水平滚动条,文本向右延伸并且不换行。

知道我在这里做错了什么吗?

<GroupBox Header="Urgent Items" Margin="8,8,8,340" Name="UrgetItemsGroupBox">
    <Grid>
        <ListView Margin="6" Name="CriticalErrorsListView" HorizontalContentAlignment="Stretch" ItemsSource="{Binding Path=.}" MouseDoubleClick="CriticalErrorsListView_MouseDoubleClick">
            <ListView.Background>
                <LinearGradientBrush EndPoint="-0.192,0.529" StartPoint="0.998,0.519">
                    <GradientStop Color="#FFD2D2D2" Offset="0"/>
                    <GradientStop Color="#FFFFFFFF" Offset="1"/>
                </LinearGradientBrush>
            </ListView.Background>
            <ListView.ItemTemplate>
                <DataTemplate>
                    <Border Margin="2,2,2,3" BorderBrush="#FF847F6E" CornerRadius="10" BorderThickness="3">
                        <Grid>
                            <Grid.ColumnDefinitions>
                                <ColumnDefinition Width="30" />
                                <ColumnDefinition Width="10" />
                                <ColumnDefinition Width="*" />
                            </Grid.ColumnDefinitions>
                            <Grid.RowDefinitions>
                                <RowDefinition Height="25" />
                                <RowDefinition Height="20" />
                                <RowDefinition Height="20" />
                                <RowDefinition Height="75" />
                            </Grid.RowDefinitions>
                            <Image Grid.Row="0" Grid.RowSpan="5" Grid.Column="0" Margin="2,2,2,2" Source="Images\errorIcon.png" />
                            <TextBlock Grid.Row="0" Grid.Column="2" Grid.ColumnSpan="2" Margin="2,2,2,2" Text="{Binding Path=ApplicationName}" FontFamily="Calibri" FontWeight="Bold" FontSize="18" />
                            <TextBlock Grid.Row="1" Grid.Column="2" Margin="10,2,10,2" Text="{Binding Path=ErrorTime}" FontFamily="Calibri" FontSize="12" />
                            <TextBlock Grid.Row="2" Grid.Column="2" Margin="10,2,10,2" Text="{Binding Path=ErrorPerson}" FontFamily="Calibri" FontSize="12" />
                            <TextBlock Grid.Row="3" Grid.Column="2" Margin="2,2,2,2" Text="{Binding Path=ShortDescription}" TextWrapping="Wrap" />
                        </Grid>
                    </Border>                            
                </DataTemplate>
            </ListView.ItemTemplate>
        </ListView>
    </Grid>
</GroupBox>

I have a TextBlock that is in a Grid that is an ItemTemplate for a ListView. I have the items so that they grow when the window is resized, but I cannot figure out how to have the TextBlock be limited to that size. I've tried to do this with the width on the ColumnDefinition - if I set the Width to a fixed number (say 350) the text wraps correctly, but obviously the TextBlock doesn't expand when the window is expanded - if I set the Width to "*" the there is then a horizontal scroll bar and the text runs off to the right and doesn't wrap.

Any idea what I'm doing wrong here?

<GroupBox Header="Urgent Items" Margin="8,8,8,340" Name="UrgetItemsGroupBox">
    <Grid>
        <ListView Margin="6" Name="CriticalErrorsListView" HorizontalContentAlignment="Stretch" ItemsSource="{Binding Path=.}" MouseDoubleClick="CriticalErrorsListView_MouseDoubleClick">
            <ListView.Background>
                <LinearGradientBrush EndPoint="-0.192,0.529" StartPoint="0.998,0.519">
                    <GradientStop Color="#FFD2D2D2" Offset="0"/>
                    <GradientStop Color="#FFFFFFFF" Offset="1"/>
                </LinearGradientBrush>
            </ListView.Background>
            <ListView.ItemTemplate>
                <DataTemplate>
                    <Border Margin="2,2,2,3" BorderBrush="#FF847F6E" CornerRadius="10" BorderThickness="3">
                        <Grid>
                            <Grid.ColumnDefinitions>
                                <ColumnDefinition Width="30" />
                                <ColumnDefinition Width="10" />
                                <ColumnDefinition Width="*" />
                            </Grid.ColumnDefinitions>
                            <Grid.RowDefinitions>
                                <RowDefinition Height="25" />
                                <RowDefinition Height="20" />
                                <RowDefinition Height="20" />
                                <RowDefinition Height="75" />
                            </Grid.RowDefinitions>
                            <Image Grid.Row="0" Grid.RowSpan="5" Grid.Column="0" Margin="2,2,2,2" Source="Images\errorIcon.png" />
                            <TextBlock Grid.Row="0" Grid.Column="2" Grid.ColumnSpan="2" Margin="2,2,2,2" Text="{Binding Path=ApplicationName}" FontFamily="Calibri" FontWeight="Bold" FontSize="18" />
                            <TextBlock Grid.Row="1" Grid.Column="2" Margin="10,2,10,2" Text="{Binding Path=ErrorTime}" FontFamily="Calibri" FontSize="12" />
                            <TextBlock Grid.Row="2" Grid.Column="2" Margin="10,2,10,2" Text="{Binding Path=ErrorPerson}" FontFamily="Calibri" FontSize="12" />
                            <TextBlock Grid.Row="3" Grid.Column="2" Margin="2,2,2,2" Text="{Binding Path=ShortDescription}" TextWrapping="Wrap" />
                        </Grid>
                    </Border>                            
                </DataTemplate>
            </ListView.ItemTemplate>
        </ListView>
    </Grid>
</GroupBox>

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国产ˉ祖宗 2024-08-10 00:14:10

您会看到水平滚动条,因为 ListView 在其模板中使用 ScrollViewer 来允许滚动。您需要做的就是说 ScrollViewer 不要水平滚动。只需在 ListView 上设置 ScrollViewer.Horizo​​ntalScrollBarVisibility="Disabled" 即可。所以你会得到这样的东西:

<ListView Margin="6"
          ScrollViewer.HorizontalScrollBarVisibility="Disabled"
          Name="CriticalErrorsListView"
          HorizontalContentAlignment="Stretch"
          ItemsSource="{Binding Path=.}"
          MouseDoubleClick="CriticalErrorsListView_MouseDoubleClick">
     <!-- The rest goes here. -->
</ListView>

希望这有帮助。

You see horizontal scroll bar because ListView uses ScrollViewer in its template to allow scrolling. All you need to do is say ScrollViewer to not scroll horizontally. Just set ScrollViewer.HorizontalScrollBarVisibility="Disabled" on your ListView. So you'll have something like this:

<ListView Margin="6"
          ScrollViewer.HorizontalScrollBarVisibility="Disabled"
          Name="CriticalErrorsListView"
          HorizontalContentAlignment="Stretch"
          ItemsSource="{Binding Path=.}"
          MouseDoubleClick="CriticalErrorsListView_MouseDoubleClick">
     <!-- The rest goes here. -->
</ListView>

Hope this helps.

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