Create Grid
inside the DataTemplate
and create ColumnDefinations
for you controls inside the ListView
.
<ListView.ItemTemplate>
<DataTemplate>
<Grid>
<Grid.ColumnDefinitions>
<ColumnDefinition Width="13" />
<ColumnDefinition Width="*" />
</Grid.ColumnDefinitions>
<Rectange Grid.Column="0" Fill="Red" Margin="0,5,0,0"/>
<Label Grid.Column="1"/>
</Grid>
</DataTemplate>
</ListView.ItemTemplate>