A ListView with Datatemplate in GridViewColumn:

    <ListView Name ="LogDataList" IsSynchronizedWithCurrentItem="True" ItemsSource="{Binding LogDataCollection}" Background="Cyan"> 
            <ListView.View> 
                <GridView AllowsColumnReorder="true" 
                  ColumnHeaderToolTip="Event Log Information"> 
                    <GridViewColumn Header="Event Log Name" Width="100"> 
                        <GridViewColumn.CellTemplate> 
                            <DataTemplate> 
                                <l:MyTextBlock Height="25" DataContext="{Binding LogName, Converter={StaticResource DataFieldConverter}}" HighlightMatchCase="{Binding Element}" Loaded="EditBox_Loaded"/> 
                            </DataTemplate> 
                        </GridViewColumn.CellTemplate> 
                    </GridViewColumn> 
                        ...
                    </GridView> 
            </ListView.View> 
        </ListView> 

I have no idea about how to make column width autofill although I have tried a lot of way to walk up. The general idea for demo is :

<ListView Name ="LogDataList" IsSynchronizedWithCurrentItem="True" ItemsSource="{Binding LogDataCollection}" Background="Cyan">
            <ListView.Resources>
                <Style x:Key="ColumnWidthStyle" TargetType="{x:Null GridViewColumn}">
                    <Style.Setters>
                        <Setter Property="HorizontalContentAlignment" Value="Stretch" >
                        </Setter>
                    </Style.Setters>
                </Style>
            </ListView.Resources>
            <ListView.View>
                <GridView AllowsColumnReorder="true"
                  ColumnHeaderToolTip="Event Log Information">
                    <GridViewColumn Header="Event Log Name" DisplayMemberBinding="{Binding Path=LogName}" HeaderContainerStyle="{StaticResource ColumnWidthStyle}">

It works, but not accord with my demand. I need to customize datatemplate with my custom user control(MyTextBlock) since the enhancement(HighlighMatchCase property) and binding datacontext.

How can I set up ColumnWidthMode with Fill in the word? On-line'in.

I really appreciate your help.