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Listview double click problem in wpf caliburn micro

In my project I use list view and want to get the object from double click event,
I mean when user click on listview row, then from viewmodel I want to get the clicked object.
XAML:
cal:Message.Attach="[Event MouseDoubleClick] = [Action RowDoubleClick($dataContext)]"
ViewModel
public void RowDoubleClick(object pm)
{
}
but in object pm in ViewModel I get all off the listview object, I need a single object.
Can anyone help me regarding this issue.
XAML
<ListView AlternationCount="2" HorizontalAlignment="Center" cal:Message.Attach="[Event MouseDoubleClick] = [Action RowDoubleClick($dataContext)]"
Name="lvProcessList" SelectionChanged="lvProcessList_SelectionChanged"
ScrollViewer.VerticalScrollBarVisibility="Visible" ScrollViewer.HorizontalScrollBarVisibility="Visible" ScrollViewer.CanContentScroll="True"
VerticalAlignment="Top" Width="779" Grid.ColumnSpan="8" IsSynchronizedWithCurrentItem="True" Height="391" >
<ListView.ItemContainerStyle>
<Style TargetType="{x:Type ListViewItem}" >
<Setter Property="HorizontalContentAlignment" Value="Stretch" />
<Setter Property="VerticalContentAlignment" Value="Stretch"/>
<Setter Property="HorizontalAlignment" Value="Center"/>
<Setter Property="BorderBrush" Value="Black" />
<Setter Property="BorderThickness" Value="0,0,1,1" />
<Setter Property="Height" Value="30" />
<Setter Property="IsSelected" Value="{Binding chkWspSelect}"/>
<Style.Triggers>
<Trigger Property="ItemsControl.AlternationIndex" Value="0">
<Setter Property="Background" Value="LightBlue" />
</Trigger>
<Trigger Property="ItemsControl.AlternationIndex" Value="1">
<Setter Property="Background" Value="LightGray" />
</Trigger>
<Trigger Property="IsSelected" Value="True">
<Setter Property="Background" Value="SteelBlue"/>
</Trigger>
</Style.Triggers>
<!--<EventSetter Event="PreviewMouseLeftButtonDown" Handler="ListViewItem_PreviewMouseLeftButtonDown" />-->
</Style>
</ListView.ItemContainerStyle>
<ListView.View>
<GridView>
<GridView.Columns>
<GridViewColumn>
<DataGrid AutoGenerateColumns="True" CanUserAddRows="False">
<DataGrid.Columns>
<DataGridTemplateColumn >
<DataGridTemplateColumn.HeaderTemplate>
<DataTemplate>
<CheckBox Name="chkWspSelectAll" HorizontalAlignment="Center" VerticalAlignment="Center" Checked="chkWspSelectAll_Checked" Unchecked="chkWspSelectAll_Unchecked" IsThreeState="False"/>
</DataTemplate>
</DataGridTemplateColumn.HeaderTemplate>
</DataGridTemplateColumn>
</DataGrid.Columns>
</DataGrid>
<GridViewColumn.CellTemplate >
<DataTemplate>
<CheckBox Name="chkWspSelect" HorizontalContentAlignment="Center" HorizontalAlignment="Center" VerticalAlignment="Center" Checked="chkWspSelect_Checked" Unchecked="chkWspSelect_Unchecked" IsThreeState="False"/>
</DataTemplate>
</GridViewColumn.CellTemplate>
</GridViewColumn>
<GridViewColumn Width="200" Header="Process name">
<GridViewColumn.CellTemplate>
<DataTemplate>
<TextBlock FontWeight="Bold" Text="{Binding ProcessName}" TextAlignment="Center"/>
</DataTemplate>
</GridViewColumn.CellTemplate>
</GridViewColumn>
<GridViewColumn Width="120" Header="Ongoing">
<GridViewColumn.CellTemplate>
<DataTemplate>
<TextBlock Text="{Binding Ongoing}" TextAlignment="Center"/>
</DataTemplate>
</GridViewColumn.CellTemplate>
</GridViewColumn>
<GridViewColumn Width="110" Header="Un-Strated">
<GridViewColumn.CellTemplate>
<DataTemplate>
<TextBlock Text="{Binding Un-Strated}" TextAlignment="Center"/>
</DataTemplate>
</GridViewColumn.CellTemplate>
</GridViewColumn>
<GridViewColumn Width="110" Header="Completed">
<GridViewColumn.CellTemplate>
<DataTemplate>
<TextBlock Text="{Binding Completed}" TextAlignment="Center"/>
</DataTemplate>
</GridViewColumn.CellTemplate>
</GridViewColumn>
<GridViewColumn Width="200" Header="Action" >
<GridViewColumn.CellTemplate>
<DataTemplate>
<WrapPanel >
<Button Width="50" Height="25" Margin="30,0,0,0" x:Name="btnDelete" Click="BtnDelete_Click">
<StackPanel Orientation="Horizontal" >
<Image Source="/Pipe_Flushing;component/Image/Trash.png" Height="20"/>
</StackPanel>
</Button>
<Button x:Name="btnHistory" Width="50" Height="25" Margin="10,0,0,0" Click="BtnHistory_Click">
<StackPanel>
<Image Source="/Pipe_Flushing;component/Image/History.png" Height="20"/>
</StackPanel>
</Button>
<Button x:Name="btnHistory1" Width="50" Height="25" Margin="10,0,0,0" Content="test" cal:Message.Attach="[Event Click] = [Action Edit($dataContext)]">
</Button>
</WrapPanel>
</DataTemplate>
</GridViewColumn.CellTemplate>
</GridViewColumn>
</GridView.Columns>
</GridView>
</ListView.View>
</ListView>

Gridview Column for each element in a Group of Listview (WPF/C#)

I have an application that show the data grouped by type, each type has your own group with expander. I want to show for each group a gridviewcolumn like the red selection of Image 1 and put on the green space. What is the best way to do this?
EDIT 1
Following my actual XAML file section with listview:
ListView.xaml
<ListView Name="lstResults" Grid.Row="1" IsEnabled="True" Grid.RowSpan="4" DataContext="All" Grid.ColumnSpan="5" Margin="5,5">
<ListView.View>
<GridView>
<GridViewColumn Header="Linha" Width="Auto" DisplayMemberBinding="{Binding LineNumber}" />
<GridViewColumn Header="Fonte" Width="Auto" DisplayMemberBinding="{Binding Source}" />
<GridViewColumn Header="Data" Width="Auto" DisplayMemberBinding="{Binding Time}" />
<GridViewColumn Header="Log" Width="Auto" DisplayMemberBinding="{Binding LineLog}" />
</GridView>
</ListView.View>
<ListView.GroupStyle>
<GroupStyle>
<GroupStyle.ContainerStyle>
<Style TargetType="{x:Type GroupItem}">
<Setter Property="Template">
<Setter.Value>
<ControlTemplate>
<Expander IsExpanded="True">
<Expander.Header>
<StackPanel Orientation="Horizontal">
<TextBlock Text="{Binding Items[0].Pattern, StringFormat={} Teste: {0}}" FontWeight="Bold" Foreground="Gray" FontSize="22" VerticalAlignment="Bottom" />
<Border CornerRadius="10" Padding="1,1,1,1" BorderThickness="1" BorderBrush="Black" Background="Red" Margin="1,0,0,0" >
<TextBlock Text="{Binding Items.Count,StringFormat={} Items: {0}}" Padding="0" VerticalAlignment="Center" Margin="5,1,5,1" FontSize="15" FontWeight="Bold" Foreground="Black"/>
</Border>
</StackPanel>
</Expander.Header>
<ItemsPresenter />
</Expander>
</ControlTemplate>
</Setter.Value>
</Setter>
</Style>
</GroupStyle.ContainerStyle>
</GroupStyle>
</ListView.GroupStyle>
</ListView>

you can add a ListView inside the groupitem. Try below code.
<ListView.GroupStyle>
<GroupStyle>
<GroupStyle.ContainerStyle>
<Style TargetType="{x:Type GroupItem}">
<Setter Property="Template">
<Setter.Value>
<ControlTemplate>
<Expander IsExpanded="True">
<Expander.Header>
<StackPanel Orientation="Horizontal">
<TextBlock Text="{Binding Items[0].Pattern, StringFormat={} Teste: {0}}" FontWeight="Bold" Foreground="Gray" FontSize="22" VerticalAlignment="Bottom" />
<Border CornerRadius="10" Padding="1,1,1,1" BorderThickness="1" BorderBrush="Black" Background="Red" Margin="1,0,0,0" >
<TextBlock Text="{Binding Items.Count,StringFormat={} Items: {0}}" Padding="0" VerticalAlignment="Center" Margin="5,1,5,1" FontSize="15" FontWeight="Bold" Foreground="Black"/>
</Border>
</StackPanel>
</Expander.Header>
<ListView ItemsSource="{TemplateBinding Items}">
<ListView.View>
<GridView>
<GridViewColumn Header="Linha" Width="Auto" DisplayMemberBinding="{Binding LineNumber}" />
<GridViewColumn Header="Fonte" Width="Auto" DisplayMemberBinding="{Binding Source}" />
<GridViewColumn Header="Data" Width="Auto" DisplayMemberBinding="{Binding Time}" />
<GridViewColumn Header="Log" Width="Auto" DisplayMemberBinding="{Binding LineLog}" />
</GridView>
</ListView.View>
</ListView>
</Expander>
</ControlTemplate>
</Setter.Value>
</Setter>
</Style>
</GroupStyle.ContainerStyle>
</GroupStyle>
</ListView.GroupStyle>

Edit and search item in listview

is there any control like jquery datatable in WPF for searching item from listview or how i can implement efficient search in listvew.
secondly, I have an image and title in listview control. How can I add "edit functionality" to change image Title.
I don't have any clue about it because I'm new in WPF. how I can perform this task. any example or useful code will be helpfull for me.
<ListView Name="lvDataBinding">
<ListView.View>
<GridView >
<GridViewColumn >
<GridViewColumn.CellTemplate>
<DataTemplate >
<StackPanel Margin="20,5,0,0" Orientation="Horizontal" HorizontalAlignment="Center">
<Image Margin="15,5,0,0" Style="{StaticResource PopupImageStyle}" HorizontalAlignment="Center" Width="60" ToolTip="{Binding Name}" Height="60" Source="{Binding ImgPath}"></Image>
<TextBlock Visibility="Hidden" Text="{Binding Name}"/>
</StackPanel>
</DataTemplate>
</GridViewColumn.CellTemplate>
</GridViewColumn>
<GridViewColumn >
<GridViewColumn.CellTemplate>
<DataTemplate >
<StackPanel Margin="20,5,0,0" Orientation="Horizontal" HorizontalAlignment="Center">
<TextBlock Text="{Binding Title}">
<TextBlock.Style>
<Style>
<Setter Property="TextBlock.FontSize" Value="20"></Setter></Style>
</TextBlock.Style>
</TextBlock>
</StackPanel>
</DataTemplate>
</GridViewColumn.CellTemplate>
</GridViewColumn>
<!--<GridViewColumn DisplayMemberBinding="{Binding Name}" />-->
</GridView>
</ListView.View>
<ListView.ItemContainerStyle>
<Style TargetType="ListViewItem">
<EventSetter Event="PreviewMouseLeftButtonDown" Handler="ListViewItem_PreviewMouseLeftButtonDown" />
</Style>
</ListView.ItemContainerStyle>
</ListView>

How to center a TextBlock within a CellTemplate in WPF?

I tried both HorizontalAlignment and TextAlignment but it has no effect.
<GridViewColumn Width="Auto" Header="Type">
<GridViewColumn.CellTemplate>
<DataTemplate>
<TextBlock Text="{Binding Type}" HorizontalAlignment="Center" TextAlignment="Center" />
</DataTemplate>
</GridViewColumn.CellTemplate>
</GridViewColumn>
Any ideas?
EDIT:
Xaml code:
<Window x:Class="EffectsWindow.MainWindow"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
Title="Effects Editor"
<DockPanel VerticalAlignment="Stretch">
<DockPanel.Resources>
<ListView
DockPanel.Dock="Top"
HorizontalContentAlignment="Stretch"
ItemsSource="{Binding EditorViewModel.AllEffects}">
<ListView.View>
<GridView>
<GridViewColumn Width="Auto"
DisplayMemberBinding="{Binding Name}"
Header="Name" />
<GridViewColumn Width="Auto" Header="Type">
<GridViewColumn.CellTemplate>
<DataTemplate>
<TextBlock Text="{Binding Type}" HorizontalAlignment="Center" TextAlignment="Center" />
</DataTemplate>
</GridViewColumn.CellTemplate>
</GridViewColumn>
</GridView>
</ListView.View>
</ListView>
<DockPanel Width="100"
Height="100"
Margin="0,0,20,20"
HorizontalAlignment="Right"
VerticalAlignment="Bottom">
<Label Margin="0,0,0,0"
Content="Data"
DockPanel.Dock="Top" />
<ListBox
VerticalAlignment="Top"/>
</DockPanel>
</DockPanel>
</Window>

did you try HorizontalContentAlignment? on the column?
-- EDIT --
turns out it's kinda hard to find the right place to put this HorizontalContentAlignment... :)
use this
<ListView.Resources>
<Style TargetType="ListViewItem">
<Setter Property="HorizontalContentAlignment" Value="Center" />
</Style>
</ListView.Resources>
in the listview.
Snoop usually helps u to be on the right path. This ContentPresenter is the used by the ListViewItem, and it gets its Alignment from the ContentAlignment on the ListViewItem. u can't access the ListViewItem directly, and that's why u need that Style
and the full code:
<DockPanel VerticalAlignment="Stretch">
<ListView
DockPanel.Dock="Top"
HorizontalContentAlignment="Stretch"
x:Name="MyListView">
<ListView.Resources>
<Style TargetType="ListViewItem">
<Setter Property="HorizontalContentAlignment" Value="Center" />
</Style>
</ListView.Resources>
<ListView.View>
<GridView >
<GridViewColumn Width="Auto"
DisplayMemberBinding="{Binding Name}"
Header="Name" />
<GridViewColumn Width="Auto" Header="Type">
<GridViewColumn.CellTemplate>
<DataTemplate>
<TextBlock Text="{Binding Type}" HorizontalAlignment="Center" TextAlignment="Center" />
</DataTemplate>
</GridViewColumn.CellTemplate>
</GridViewColumn>
</GridView>
</ListView.View>
</ListView>
<DockPanel Width="100"
Height="100"
Margin="0,0,20,20"
HorizontalAlignment="Right"
VerticalAlignment="Bottom">
<Label Margin="0,0,0,0"
Content="Data"
DockPanel.Dock="Top" />
<ListBox
VerticalAlignment="Top"/>
</DockPanel>
</DockPanel>

Unfortunatelly there is no way to adjust the horizontal alignment of TextBlocks within CellTemplate.
Because GridViewRowPresenter sets the HorizontalAlignment property of Cells to HorizontalContentAlignment of its TemplatedParent, which in this case is ListViewItem.
So you are going to have to change your ListViewItemStyle.
If you change the HorizontalContentAlignment of ListViewItem using snoop, you will see that the alignment of cell will not be affected since HorizontalContentAlignment value is set during the creating of the cells.

Add lines to gridview

I'm trying add vertical lines to my grid. I have found some examples but nothing works.
<ListView ItemsSource="{Binding Path=CheckableObjectFacilities}" x:Name="ListViewObjectFacilities" Margin="5">
<ListView.View>
<GridView>
<GridViewColumn>
<GridViewColumn.CellTemplate>
<DataTemplate>
<CheckBox IsChecked="{Binding Path=IsChecked}" Click="cboxObjectFacilities_Click" HorizontalContentAlignment="Stretch"/>
</DataTemplate>
</GridViewColumn.CellTemplate>
</GridViewColumn>
<GridViewColumn DisplayMemberBinding="{Binding Name}" Header="Nazwa" >
</GridViewColumn>
<GridViewColumn DisplayMemberBinding="{Binding Category}" Header="Kategoria" >
</GridViewColumn>
<GridViewColumn DisplayMemberBinding="{Binding EnglishName}" Header="EN" ></GridViewColumn>
</GridView>
</ListView.View>
</ListView>

Created lines in your GridView by following the example from the following site: Designer WPF.
Here is some XAML I adapted to display system font information:
<Grid>
<Grid.Resources>
<Style x:Key="MyItemContainerStyle" TargetType="{x:Type ListViewItem}">
<Setter Property="HorizontalContentAlignment" Value="Stretch" />
<Setter Property="VerticalContentAlignment" Value="Stretch" />
</Style>
</Grid.Resources>
<ListView
ItemContainerStyle="{DynamicResource MyItemContainerStyle}"
ItemsSource="{x:Static Fonts.SystemFontFamilies}"
x:Name="myListView"
Width="Auto">
<ListView.View>
<GridView>
<GridViewColumn Header="Name">
<GridViewColumn.CellTemplate>
<DataTemplate>
<Border BorderBrush="#FF000000" BorderThickness="1,1,0,0" Margin="-6,-2,-6,-2">
<StackPanel Margin="6,2,6,2">
<TextBlock Text="{Binding Source}"/>
</StackPanel>
</Border>
</DataTemplate>
</GridViewColumn.CellTemplate>
</GridViewColumn>
<GridViewColumn Header="Line Spacing">
<GridViewColumn.CellTemplate>
<DataTemplate>
<Border BorderBrush="#FF000000" BorderThickness="1,1,0,0" Margin="-6,-2,-6,-2">
<StackPanel Margin="6,2,6,2">
<TextBlock Text="{Binding LineSpacing}"/>
</StackPanel>
</Border>
</DataTemplate>
</GridViewColumn.CellTemplate>
</GridViewColumn>
<GridViewColumn Header="Sample">
<GridViewColumn.CellTemplate>
<DataTemplate>
<Border BorderBrush="#FF000000" BorderThickness="1,1,1,0" Margin="-6,-2,-6,-2">
<StackPanel Margin="6,2,6,2">
<TextBlock FontFamily="{Binding}" FontSize="20"
Text="ABCDEFGabcdefg" />
</StackPanel>
</Border>
</DataTemplate>
</GridViewColumn.CellTemplate>
</GridViewColumn>
</GridView>
</ListView.View>
</ListView>
</Grid>