ListView控件内DataTemplate如何设置，才能使各显示项列表的长度按屏幕自适应？

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如题：
ListView控件内DataTemplate如何设置，才能使各显示项列表的长度按屏幕自适应？
而不是直接用Weight和Hight，将宽、高设置死了。
如图，老是长度不一样，
代码如下，看看哪些地方不对：
<ListView x:Name="lv_Hunting" Margin="7 0 7 0"> <ListView.ItemTemplate> <DataTemplate> <!--狩猎材料列表单个列表项面板布局--> <Grid x:Name="huntingListGird" Height="72" Margin="0 0 10 0"> <Grid.ColumnDefinitions> <ColumnDefinition Width="72"/> <ColumnDefinition Width="*"/> </Grid.ColumnDefinitions> <!--<StackPanel Orientation="Horizontal" Margin="0 0 0 0">--> <!--放置Image控件的Grid布局--> <Grid Grid.Column="0" Margin="0 0 0 0"> <!--显示材料.gif图片的Image控件--> <Image gif:AnimationBehavior.SourceUri="{Binding Path=Uri_HuntingImg}" x:Name="gifImg2_Hunting" Margin="0,0,0,0" > </Image> </Grid> <!--放置材料介绍明细的Grid布局--> <Grid Grid.Column="1" Margin="0,0,0,0" Background="Yellow"> <!--狩猎材料资料介绍(技能等级、材料名称)面板--> <StackPanel Margin="0 0 0 0" > <Grid Margin="0 0 0 0"> <StackPanel Orientation="Horizontal" Background="Blue" HorizontalAlignment="Stretch" Margin="0 0 0 0"> <TextBlock Text="名字:" HorizontalAlignment="Left"/> <TextBlock Text="{Binding Path=Description_Name}"/> </StackPanel> </Grid> <Grid Margin="0 0 0 0"> <StackPanel Orientation="Horizontal" Background="Red" HorizontalAlignment="Stretch" Margin="0 0 0 0"> <TextBlock Text="技能等级:" HorizontalAlignment="Left" Margin="0 0 0 0"/> <TextBlock Text="{Binding Path=Description_SkillLev}"/> </StackPanel> </Grid> <Grid Margin="0 0 0 0"> <StackPanel Orientation="Horizontal" Background="Green" HorizontalAlignment="Stretch" Margin="0 0 0 0"> <TextBlock Text="地点:" HorizontalAlignment="Left"/> <TextBlock Text="{Binding Path=Description_CollectionPoint}" TextWrapping="Wrap" Margin="0 0 0 0"/> </StackPanel> </Grid> <!--项面板画界线--> <StackPanel Background="White" HorizontalAlignment="Stretch" Margin="0 0 0 0"> <Rectangle Stroke="AliceBlue" Height="2"/> </StackPanel> </StackPanel> </Grid> </Grid> </DataTemplate> </ListView.ItemTemplate> </ListView>