ELK/FrameworkLocal/UIClient/CenterViews/Dialogs/ItemsSelectDialogView.xaml

<UserControl x:Class="MECF.Framework.UI.Client.CenterViews.Dialogs.ItemsSelectDialogView"
             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
             xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" 
             xmlns:d="http://schemas.microsoft.com/expression/blend/2008" 
             xmlns:i="http://schemas.microsoft.com/expression/2010/interactivity"
              xmlns:cal="clr-namespace:Caliburn.Micro"
             xmlns:local="clr-namespace:MECF.Framework.UI.Client.CenterViews.Dialogs" 
             xmlns:converters="clr-namespace:Aitex.Core.UI.Converters;assembly=MECF.Framework.UI.Core"
             mc:Ignorable="d"    
             d:DesignHeight="300" d:DesignWidth="300">
    <UserControl.Resources>
        <converters:BoolToValueConverter x:Key="BoolToValueConverter"/>
    </UserControl.Resources>
    <Border BorderBrush="Black" BorderThickness="1">
        <DockPanel Background="{StaticResource MainArea_BG}">
            <StackPanel DockPanel.Dock="Bottom" Orientation="Horizontal" HorizontalAlignment="Center">
                <Button x:Name="btnOk" Content="Ok" Width="80" Height="40" Margin="0,0,20,0" Style="{StaticResource CommandButton}">
                    <i:Interaction.Triggers>
                        <i:EventTrigger EventName="Click">
                            <cal:ActionMessage MethodName="OK"/>
                        </i:EventTrigger>
                    </i:Interaction.Triggers>
                </Button>
                <Button x:Name="btnClose" Content="Cancel"  Style="{StaticResource CommandButton}">
                    <i:Interaction.Triggers>
                        <i:EventTrigger EventName="Click">
                            <cal:ActionMessage MethodName="Cancel"/>
                        </i:EventTrigger>
                    </i:Interaction.Triggers>
                </Button>
            </StackPanel>
            <Border BorderThickness="1" BorderBrush="Black" Margin="5" MaxHeight="600">
                <ListBox ItemsSource="{Binding Items}">
                    <ListBox.ItemsPanel>
                        <ItemsPanelTemplate>
                            <UniformGrid Columns="{Binding ColumnsCount}"/>
                        </ItemsPanelTemplate>
                    </ListBox.ItemsPanel>
                    <ListBox.ItemTemplate>
                        <DataTemplate>
                            <Button Content="{Binding Name}" Visibility="{Binding IsChecked, Converter={StaticResource BoolToValueConverter}}">
                                <i:Interaction.Triggers>
                                    <i:EventTrigger EventName="Click">
                                        <cal:ActionMessage MethodName="SelectItem">
                                            <cal:Parameter Value="{Binding}"/>
                                        </cal:ActionMessage>
                                    </i:EventTrigger>
                                </i:Interaction.Triggers>
                                <Button.Resources>
                                    <Style TargetType="Button" BasedOn="{StaticResource CommandButton}">
                                        <Setter Property="Foreground" Value="Black"/>
                                        <Setter Property="IsEnabled" Value="{Binding IsEnable}"/>
                                        <Setter Property="Width" Value="{Binding RelativeSource={RelativeSource Mode=FindAncestor, AncestorType=UserControl}, Path=DataContext.ButtonWidth}"/>
                                        <Setter Property="Height" Value="{Binding RelativeSource={RelativeSource Mode=FindAncestor, AncestorType=UserControl}, Path=DataContext.ButtonHeight}"/>
                                        <Setter Property="Margin" Value="{Binding RelativeSource={RelativeSource Mode=FindAncestor, AncestorType=UserControl}, Path=DataContext.ButtonMargin}"/>
                                        <Style.Triggers>
                                            <DataTrigger Binding="{Binding IsChecked}" Value="True">
                                                <Setter Property="Background" Value="{StaticResource Button_BG_MouseOver}"/>
                                            </DataTrigger>
                                        </Style.Triggers>
                                    </Style>
                                </Button.Resources>
                            </Button>
                        </DataTemplate>
                    </ListBox.ItemTemplate>
                    <i:Interaction.Triggers>
                        <i:EventTrigger EventName="MouseDoubleClick">
                            <cal:ActionMessage MethodName="TreeMouseDoubleClick">
                                <cal:Parameter Value="{Binding SelectedItem, ElementName=PART_TREE}" />
                            </cal:ActionMessage>
                        </i:EventTrigger>
                    </i:Interaction.Triggers>
                </ListBox>
            </Border>
        </DockPanel>
    </Border>
</UserControl>