mdfinder/mdfinder/MainWindow.xaml

<Window x:Class="mdfinder.MainWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
        xmlns:mdfinder="clr-namespace:mdfinder"
        xmlns:loc="clr-namespace:mdfinder.Localization"
        mc:Ignorable="d"
        Title="{x:Static loc:Localization.Title}" Height="450" Width="800">
    <Window.Resources>
        <mdfinder:InverseBoolConverter x:Key="InverseBoolConverter" />
        <mdfinder:BoolVisibilityConverter x:Key="BoolVisibilityConverter" />
        <mdfinder:InverseBoolVisibilityConverter x:Key="InverseBoolVisibilityConverter" />
        <mdfinder:URIConverter x:Key="URIConverter" />
        <mdfinder:SizeConverter x:Key="SizeConverter" />
    </Window.Resources>
    <DockPanel>
        <Menu DockPanel.Dock="Top">
            <MenuItem Header="{x:Static loc:Localization.FileMenu}">
                <MenuItem Name="menuOpen" Header="{x:Static loc:Localization.OpenMenuItem}">
                    <MenuItem.Icon>
                        <ContentControl Template="{StaticResource OpenIcon}" />
                    </MenuItem.Icon>
                </MenuItem>
                <MenuItem Name="menuSave" Header="{x:Static loc:Localization.SaveMenuItem}">
                    <MenuItem.Icon>
                        <ContentControl Template="{StaticResource SaveIcon}" />
                    </MenuItem.Icon>
                </MenuItem>
                <MenuItem Name="menuOptions" Header="{x:Static loc:Localization.OptionsMenu}" Click="MenuOptions_Click">
                    <MenuItem.Icon>
                        <ContentControl Template="{StaticResource OptionsIcon}" />
                    </MenuItem.Icon>
                </MenuItem>
                <MenuItem Name="menuAbout" Header="{x:Static loc:Localization.AboutMenu}" Click="MenuAbout_Click">
                    
                </MenuItem>
            </MenuItem>
        </Menu>
        <Grid x:Name="MainWindowGrid">
            <Grid.RowDefinitions>
                <RowDefinition Height="Auto" />
                <RowDefinition Height="Auto" />
                <RowDefinition Height="*" />
                <RowDefinition Height="Auto" />
            </Grid.RowDefinitions>
            <Grid.ColumnDefinitions>
                <ColumnDefinition Width="0.5*" />
                <ColumnDefinition Width="0.5*"/>
                <ColumnDefinition Width="*" />
                <ColumnDefinition Width="Auto" />
            </Grid.ColumnDefinitions>
            <GroupBox Grid.ColumnSpan="3" Grid.Row="0" Header="{x:Static loc:Localization.ScanLocationLabel}">
                <Grid>
                    <Grid.ColumnDefinitions>
                        <ColumnDefinition Width="Auto" />
                        <ColumnDefinition Width="*" />
                        <ColumnDefinition Width="Auto" />
                    </Grid.ColumnDefinitions>
                    <ContentControl Grid.Column="0" Template="{StaticResource FolderIcon}" Width="16" Margin="0,0,4,0" />
                    <TextBox Name="txtScanLocation" Grid.Column="1" IsReadOnly="True" />
                    <Button Grid.Column="2" MinWidth="25" Name="btnFilePicker" Click="btnFilePicker_Click">...</Button>
                </Grid>
            </GroupBox>
            <GroupBox Grid.Column="0" Grid.ColumnSpan="1" Grid.Row="1" Header="{x:Static loc:Localization.ActionBarLabel}">
                <Grid>
                    <Grid.RowDefinitions>
                        <RowDefinition Height="32" />
                    </Grid.RowDefinitions>
                    <Grid.ColumnDefinitions>
                        <ColumnDefinition Width="Auto" />
                        <ColumnDefinition Width="Auto" />
                    </Grid.ColumnDefinitions>
                    <Button Grid.Row="0" Grid.Column="0" Name="btnScan" ToolTip="{x:Static loc:Localization.ScanTooltip}" IsEnabled="{Binding Scanner.IsScanning, Mode=OneWay, RelativeSource={RelativeSource FindAncestor, AncestorType={x:Type mdfinder:MainWindow}}, UpdateSourceTrigger=PropertyChanged, Converter={StaticResource InverseBoolConverter}}" Click="btnScan_Click">
                        <StackPanel Orientation="Horizontal">
                            <ContentControl MaxWidth="16" HorizontalAlignment="Center" Template="{StaticResource ScanIcon}" />
                            <Label Content="{x:Static loc:Localization.ScanLabel}" />
                        </StackPanel>
                    </Button>
                    <Button Grid.Row="0" Grid.Column="1" Name="btnClear" ToolTip="{x:Static loc:Localization.ScanTooltip}" IsEnabled="{Binding Scanner.IsScanning, Mode=OneWay, RelativeSource={RelativeSource FindAncestor, AncestorType={x:Type mdfinder:MainWindow}}, UpdateSourceTrigger=PropertyChanged, Converter={StaticResource InverseBoolConverter}}" Click="BtnClear_Click">
                        <StackPanel Orientation="Horizontal">
                            <ContentControl MaxWidth="16" HorizontalAlignment="Center" Template="{StaticResource ClearIcon}" />
                            <Label Content="{x:Static loc:Localization.ClearLabel}" />
                        </StackPanel>
                    </Button>
                </Grid>
            </GroupBox>
            <GroupBox Grid.Column="1"  Grid.ColumnSpan="3" Grid.Row="1" Header="{x:Static loc:Localization.FilterBarLabel}">
                <Grid>
                    <Grid.RowDefinitions>
                        <RowDefinition Height="32" />
                    </Grid.RowDefinitions>
                    <Grid.ColumnDefinitions>
                        <ColumnDefinition Width="Auto" />
                        <ColumnDefinition Width="Auto" />
                    </Grid.ColumnDefinitions>
                    <Button Grid.Row="0" Grid.Column="0" Name="btnFilterShowAll" ToolTip="{x:Static loc:Localization.ScanTooltip}" IsEnabled="{Binding Scanner.IsScanning, Mode=OneWay, RelativeSource={RelativeSource FindAncestor, AncestorType={x:Type mdfinder:MainWindow}}, UpdateSourceTrigger=PropertyChanged, Converter={StaticResource InverseBoolConverter}}" Click="BtnFilterShowAll_Click" >
                        <StackPanel Orientation="Horizontal">
                            <ContentControl MaxWidth="16" HorizontalAlignment="Center" Template="{StaticResource ShowAllIcon}" />
                            <Label Content="{x:Static loc:Localization.FilterShowAllLabel}" />
                        </StackPanel>
                    </Button>
                    <Button Grid.Row="0" Grid.Column="1" Name="btnFilterDuplicates" ToolTip="{x:Static loc:Localization.ScanTooltip}" IsEnabled="{Binding Scanner.IsScanning, Mode=OneWay, RelativeSource={RelativeSource FindAncestor, AncestorType={x:Type mdfinder:MainWindow}}, UpdateSourceTrigger=PropertyChanged, Converter={StaticResource InverseBoolConverter}}" Click="BtnFilterDuplicates_Click" >
                        <StackPanel Orientation="Horizontal">
                            <ContentControl MaxWidth="16" HorizontalAlignment="Center" Template="{StaticResource DuplicateIcon}" />
                            <Label Content="{x:Static loc:Localization.FilterDuplicatesLabel}" />
                        </StackPanel>
                    </Button>
                </Grid>
            </GroupBox>
            <DataGrid x:Name="datagridFileRecords" Grid.Row="2" Grid.Column="1" Grid.ColumnSpan="3" Initialized="DatagridFileRecords_Initialized" IsReadOnly="True" AutoGenerateColumns="False">
                <DataGrid.Resources>
                    <Style TargetType="Hyperlink">
                        <EventSetter Event="Click" Handler="Hyperlink_Click"/>
                    </Style>
                    <Style TargetType="{x:Type DataGridCell}">
                        <Style.Triggers>
                            <Trigger Property="DataGridCell.IsSelected" Value="True">
                                <Setter Property="Background" Value="Black" />
                            </Trigger>
                        </Style.Triggers>
                    </Style>
                </DataGrid.Resources>
                <DataGrid.Columns>
                    <DataGridHyperlinkColumn Header="{x:Static loc:Localization.ColumnHeadingPath}" Binding="{Binding Path}" ContentBinding="{Binding Path, Converter={StaticResource URIConverter}}" Width="Auto" IsReadOnly="True" />
                    <DataGridTextColumn Header="{x:Static loc:Localization.ColumnHeadingSize}" Binding="{Binding Size, Converter={StaticResource SizeConverter}}" />
                    <DataGridTextColumn Header="{x:Static loc:Localization.ColumnHeadingHash}" Binding="{Binding Hash}" />
                    <DataGridTextColumn Header="{x:Static loc:Localization.ColumnHeadingHashProvider}" Binding="{Binding HashProvider}" />
                </DataGrid.Columns>
                <DataGrid.GroupStyle>
                    <GroupStyle>
                        <GroupStyle.HeaderTemplate>
                            <DataTemplate>
                                <StackPanel>
                                    <TextBlock Text="{Binding Path=Hash}" />
                                </StackPanel>
                            </DataTemplate>
                        </GroupStyle.HeaderTemplate>
                        <GroupStyle.ContainerStyle>
                            <Style TargetType="{x:Type GroupItem}">
                                <Setter Property="Template">
                                    <Setter.Value>
                                        <ControlTemplate TargetType="{x:Type GroupItem}">
                                            <Expander IsExpanded="True">
                                                <Expander.Header>
                                                    <StackPanel Orientation="Horizontal">
                                                        <TextBlock Text="{Binding Path=Name}" />
                                                        <TextBlock Text="{Binding Path=ItemCount}"/>
                                                        <TextBlock Text="{x:Static loc:Localization.ItemsLabel}"/>
                                                    </StackPanel>
                                                </Expander.Header>
                                                <ItemsPresenter />
                                            </Expander>
                                        </ControlTemplate>
                                    </Setter.Value>
                                </Setter>
                            </Style>
                        </GroupStyle.ContainerStyle>
                    </GroupStyle>
                </DataGrid.GroupStyle>
            </DataGrid>
            <Label x:Name="txtProgressLabel" Grid.Row="3" Grid.ColumnSpan="4" Panel.ZIndex="1"  />
            <ProgressBar Grid.Row="3" Grid.ColumnSpan="4" Name="progressBar" Minimum="0" Height="16"/>
        </Grid>
    </DockPanel>
</Window>