qdr.app.tools/FilteredSolutionsExtension/FilteredSolutionsExtension/ProjectFilterDialog.xaml

<Window x:Class="Quadarax.Application.Tools.Vsix.FilteredSolutionsExtension.ProjectFilterDialog"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        xmlns:local="clr-namespace:Quadarax.Application.Tools.Vsix.FilteredSolutionsExtension"
        Title="Select Projects for Solution" Height="800" Width="1200" 
        WindowStartupLocation="CenterScreen" ResizeMode="CanResize"
        MinHeight="600" MinWidth="1000">
    <Window.Resources>
        <local:StringToVisibilityConverter x:Key="StringToVisibilityConverter"/>
        <BooleanToVisibilityConverter x:Key="BooleanToVisibilityConverter"/>
    </Window.Resources>
    
    <Grid Margin="15">
        <Grid.RowDefinitions>
            <RowDefinition Height="Auto"/>
            <RowDefinition Height="Auto"/>
            <RowDefinition Height="Auto"/>
            <RowDefinition Height="*"/>
            <RowDefinition Height="Auto"/>
            <RowDefinition Height="Auto"/>
        </Grid.RowDefinitions>
        
        <!-- Solution Info -->
        <GroupBox Grid.Row="0" Header="Solution Information" Padding="10" Margin="0,0,0,10">
            <StackPanel>
                <TextBlock x:Name="SolutionNameTextBlock" FontWeight="Bold" Margin="0,0,0,5" FontSize="14"/>
                <TextBlock x:Name="ProjectCountTextBlock" Foreground="Gray"/>
                <TextBlock Text="💡 Dependencies are automatically selected/deselected when you check/uncheck projects" 
                           Foreground="DarkBlue" FontStyle="Italic" Margin="0,5,0,0" TextWrapping="Wrap"/>
            </StackPanel>
        </GroupBox>
        
        <!-- Filter Section -->
        <GroupBox Grid.Row="1" Header="Filter Projects" Padding="10" Margin="0,0,0,10">
            <Grid>
                <Grid.ColumnDefinitions>
                    <ColumnDefinition Width="Auto"/>
                    <ColumnDefinition Width="*"/>
                    <ColumnDefinition Width="Auto"/>
                </Grid.ColumnDefinitions>
                
                <Label Grid.Column="0" Content="Filter pattern:" VerticalAlignment="Center"/>
                <TextBox Grid.Column="1" x:Name="FilterTextBox" Margin="5,0" 
                         VerticalAlignment="Center" Height="25"
                         ToolTip="Use * for wildcards (e.g., Test*, *Core*, *.Data) - filters as you type"
                         TextChanged="FilterTextBox_TextChanged"/>
                <Button Grid.Column="2" x:Name="ClearFilterButton" Content="Clear" 
                        Width="60" Click="ClearFilterButton_Click" Margin="5,0,0,0"/>
            </Grid>
        </GroupBox>
        
        <!-- Selection Controls -->
        <StackPanel Grid.Row="2" Orientation="Horizontal" Margin="0,0,0,10">
            <Button x:Name="SelectAllButton" Content="Select All" Width="90" Height="32" 
                    Click="SelectAllButton_Click" Margin="0,0,8,0"/>
            <Button x:Name="ClearAllButton" Content="Clear All" Width="90" Height="32" 
                    Click="ClearAllButton_Click" Margin="0,0,8,0"/>
            <Button x:Name="SelectTestsButton" Content="Select Tests" Width="90" Height="32" 
                    Click="SelectTestsButton_Click" Margin="0,0,8,0" 
                    ToolTip="Select projects with 'Test' in name and their dependencies"/>
            <Separator Width="1" Margin="8,0"/>
            <Button x:Name="ExpandAllButton" Content="Expand All" Width="80" Height="32" 
                    Click="ExpandAllButton_Click" Margin="8,0,8,0"
                    ToolTip="Expand all project dependency trees"/>
            <Button x:Name="CollapseAllButton" Content="Collapse All" Width="90" Height="32" 
                    Click="CollapseAllButton_Click" Margin="0,0,8,0"
                    ToolTip="Collapse all project dependency trees"/>
            <Separator Width="1" Margin="8,0"/>
            <TextBlock x:Name="SelectionCountTextBlock" VerticalAlignment="Center" 
                       Margin="8,0,0,0" Foreground="DarkBlue" FontWeight="Medium"/>
        </StackPanel>
        
        <!-- Project Tree -->
        <Border Grid.Row="3" BorderBrush="LightGray" BorderThickness="1" Margin="0,0,0,15">
            <TreeView x:Name="ProjectTreeView" ScrollViewer.HorizontalScrollBarVisibility="Auto"
                      ScrollViewer.VerticalScrollBarVisibility="Auto" Padding="5">
                <TreeView.Resources>
                    <!-- Template for dependency items (children) -->
                    <DataTemplate x:Key="DependencyTemplate" DataType="{x:Type local:ProjectTreeItem}">
                        <StackPanel Orientation="Horizontal" Margin="0,1">
                            <TextBlock Text="    " Width="24"/> <!-- Indentation -->
                            <Image Source="{Binding ProjectTypeIcon}" Width="14" Height="14" 
                                   Margin="0,0,4,0" VerticalAlignment="Center"/>
                            <TextBlock Text="{Binding DisplayName}" 
                                       Foreground="Gray" FontStyle="Italic" 
                                       VerticalAlignment="Center"
                                       ToolTip="{Binding ToolTipText}"/>
                        </StackPanel>
                    </DataTemplate>
                    
                    <!-- Template for main projects -->
                    <HierarchicalDataTemplate DataType="{x:Type local:ProjectTreeItem}" ItemsSource="{Binding Children}"
                                              ItemTemplate="{StaticResource DependencyTemplate}">
                        <StackPanel Orientation="Vertical" Margin="0,2">
                            <!-- Main project line -->
                            <StackPanel Orientation="Horizontal">
                                <CheckBox IsChecked="{Binding IsChecked, Mode=TwoWay}" 
                                          Checked="ProjectTreeItem_Checked"
                                          Unchecked="ProjectTreeItem_Unchecked"
                                          Margin="0,0,8,0"
                                          VerticalAlignment="Center"
                                          IsEnabled="{Binding IsSelectable}"/>
                                <Image Source="{Binding ProjectTypeIcon}" Width="16" Height="16" 
                                       Margin="0,0,6,0" VerticalAlignment="Center"/>
                                <TextBlock Text="{Binding DisplayName}" VerticalAlignment="Center"
                                           FontWeight="{Binding FontWeight}" 
                                           Foreground="{Binding TextBrush}"
                                           ToolTip="{Binding ToolTipText}"/>
                            </StackPanel>
                            
                            <!-- Dependencies label (only for projects with dependencies) -->
                            <StackPanel Orientation="Horizontal" Margin="24,2,0,0"
                                        Visibility="{Binding HasDependencies, Converter={StaticResource BooleanToVisibilityConverter}}">
                                <TextBlock Text="Dependencies:" 
                                           FontWeight="Normal" Foreground="DarkBlue" FontSize="11"/>
                            </StackPanel>
                        </StackPanel>
                    </HierarchicalDataTemplate>
                </TreeView.Resources>
                <TreeView.ItemContainerStyle>
                    <Style TargetType="{x:Type TreeViewItem}">
                        <Setter Property="IsExpanded" Value="True"/>
                        <Setter Property="Margin" Value="0,1"/>
                    </Style>
                </TreeView.ItemContainerStyle>
            </TreeView>
        </Border>
        
        <!-- Status Bar -->
        <StatusBar Grid.Row="4" Height="25" Margin="0,0,0,10">
            <StatusBarItem>
                <TextBlock x:Name="StatusTextBlock" Text="Ready" />
            </StatusBarItem>
        </StatusBar>
        
        <!-- Action Buttons -->
        <StackPanel Grid.Row="5" Orientation="Horizontal" HorizontalAlignment="Right">
            <Button x:Name="SaveAsButton" Content="Save As..." Width="100" Height="35" 
                    Click="SaveAsButton_Click" Margin="0,0,10,0"
                    Background="Green" Foreground="White" FontWeight="Medium"
                    ToolTip="Save filtered solution to a custom location"/>
            <Button x:Name="OkButton" Content="Create Filtered Solution" Width="160" Height="35" 
                    Click="OkButton_Click" IsDefault="True" Margin="0,0,10,0"
                    Background="DodgerBlue" Foreground="White" FontWeight="Medium"/>
            <Button x:Name="CancelButton" Content="Open All Projects" Width="130" Height="35" 
                    Click="CancelButton_Click" IsCancel="True"/>
        </StackPanel>
    </Grid>
</Window>