MainWindow.xaml

<metro:MetroWindow  x:Class="DataBaseCompare.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:metro="http://metro.mahapps.com/winfx/xaml/controls"
                    xmlns:local="clr-namespace:DataBaseCompare"
                    xmlns:helpers="clr-namespace:DataBaseCompare.Helpers"
                    xmlns:vm="clr-namespace:DataBaseCompare.ViewModels"
                    xmlns:views="clr-namespace:DataBaseCompare.Views"
                    ShowIconOnTitleBar="True"
                    d:DataContext="{d:DesignInstance Type=vm:MainViewModel, IsDesignTimeCreatable=True}"
                    mc:Ignorable="d"
                    xmlns:meterialDesign="http://materialdesigninxaml.net/winfx/xaml/themes"
                    GlowBrush="{DynamicResource AccentColorBrush}"
                    TextElement.Foreground="{DynamicResource MaterialDesignBody}"
                    Icon="database_access.ico"
                    TextElement.FontWeight="Regular"
                    TextElement.FontSize="13"
                    TextOptions.TextFormattingMode="Ideal"
                    TextOptions.TextRenderingMode="Auto"
                    WindowStartupLocation="CenterScreen"
                    WindowState="Normal"
                    Background="{DynamicResource MaterialDesignPaper}"
                    FontFamily="{DynamicResource MaterialDesignFont}"
                    BorderThickness="1"
                    Closed="MetroWindow_Closed"
                    Title="{Binding Title, UpdateSourceTrigger=PropertyChanged}" Height="500" Width="850">
    <metro:MetroWindow.DataContext>
        <vm:MainViewModel />
    </metro:MetroWindow.DataContext>
    <Grid>

        <Grid.RowDefinitions>
            <RowDefinition Height="auto" />
            <RowDefinition />
        </Grid.RowDefinitions>

        <Grid.ColumnDefinitions>
            <ColumnDefinition />
            <ColumnDefinition />
        </Grid.ColumnDefinitions>

        <Border BorderBrush="AliceBlue" BorderThickness="0,0,1,0">
            <StackPanel>
                <Label HorizontalAlignment="Center" >Source</Label>
                <views:ConnectionView DataContext="{Binding SourceConnection}" />
            </StackPanel>
        </Border>

        <StackPanel Grid.Column="1">
            <Label HorizontalAlignment="Center" >Destination</Label>
            <views:ConnectionView DataContext="{Binding DestinationConnection}" />
        </StackPanel>

        <Grid Grid.Row="1" Grid.ColumnSpan="2" Margin="2">
            <Grid.RowDefinitions>
                <RowDefinition Height="auto" />
                <RowDefinition Height="auto" />
                <RowDefinition />
                <RowDefinition Height="auto" />
                <RowDefinition Height="auto" />
            </Grid.RowDefinitions>

            <StackPanel Orientation="Horizontal">
                <Button Margin="2" Command="{Binding LoadSourceDatabases}" >Load Databases</Button>
                <Button Margin="2" Command="{Binding SelectAll}" >Select All</Button>
            </StackPanel>

            <metro:MetroProgressBar Visibility="{Binding IsBusy, Converter={StaticResource CollapsedIfFalse}}" IsIndeterminate="True" Grid.ColumnSpan="2" Grid.Row="1" />
            <ScrollViewer Grid.Row="2">
                <ItemsControl Background="Transparent" ItemsSource="{Binding Databases}">
                    <ItemsControl.ItemTemplate>
                        <DataTemplate>
                            <Grid Margin="5,0,0,0">
                                <Grid.RowDefinitions>
                                    <RowDefinition Height="auto" />
                                    <RowDefinition Height="auto" />
                                    <RowDefinition Height="auto" />
                                    <RowDefinition Height="auto" />
                                    <RowDefinition Height="auto" />
                                    <RowDefinition Height="auto" />
                                    <RowDefinition Height="auto" />
                                    <RowDefinition Height="auto" />
                                    <RowDefinition Height="auto" />
                                    <RowDefinition />
                                </Grid.RowDefinitions>

                                <Grid>
                                    <Grid.ColumnDefinitions>
                                        <ColumnDefinition />
                                        <ColumnDefinition Width="auto" />
                                        <ColumnDefinition Width="auto" />
                                        <ColumnDefinition Width="auto" />
                                    </Grid.ColumnDefinitions>
                                    <CheckBox IsChecked="{Binding IsSelected,Mode=TwoWay}" VerticalAlignment="Stretch" VerticalContentAlignment="Center" Content="{Binding Name}" />

                                    <Button Command="{Binding RefreshDatabaseTables}" Visibility="{Binding ShowTables, UpdateSourceTrigger=PropertyChanged, Converter={StaticResource CollapsedIfFalse}}" Grid.Column="1" Margin="1">
                                        <meterialDesign:PackIcon Kind="Refresh" />
                                    </Button>

                                    <Button Command="{Binding ShowTablesCommand}" Grid.Column="2" Margin="1">
                                        <meterialDesign:PackIcon Kind="Eye" />
                                    </Button>

                                    <Button Command="{Binding HideTablesCommand}" Grid.Column="3" Margin="1">
                                        <meterialDesign:PackIcon Kind="EyeOff" />
                                    </Button>
                                </Grid>

                                <metro:MetroProgressBar Visibility="{Binding IsBusy, Converter={StaticResource CollapsedIfFalse}}" IsIndeterminate="True" Grid.Row="1" />

                                <Label BorderBrush="Red" BorderThickness="0,0,0,0" Grid.Row="2" Visibility="{Binding Message, Converter={StaticResource HasValue}, UpdateSourceTrigger=PropertyChanged}" Content="{Binding Message, UpdateSourceTrigger=PropertyChanged}"></Label>
                                <TextBox IsReadOnly="True" Foreground="Red" Grid.Row="2" Visibility="{Binding Error, Converter={StaticResource HasValue}, UpdateSourceTrigger=PropertyChanged}" Text="{Binding Error, UpdateSourceTrigger=PropertyChanged}"></TextBox>

                                <Label Margin="30,0,0,0" Grid.Row="3" FontSize="20" Visibility="{Binding ShowTables,UpdateSourceTrigger=PropertyChanged, Converter={StaticResource CollapsedIfFalse}}" >Tables</Label>
                                <Border MaxHeight="150" Visibility="{Binding ShowTables,UpdateSourceTrigger=PropertyChanged, Converter={StaticResource CollapsedIfFalse}}" BorderBrush="White" BorderThickness="0,0,0,1" Margin="5" Grid.Row="4">
                                    <ScrollViewer VerticalScrollBarVisibility="Auto">
                                        <ItemsControl Margin="30,0,0,0" ItemsSource="{Binding Tables}">
                                            <ItemsControl.ItemTemplate>
                                                <DataTemplate>
                                                    <StackPanel Orientation="Horizontal">
                                                        <meterialDesign:PackIcon Kind="Table" />
                                                        <TextBlock Margin="2" Text="{Binding Name}" />
                                                    </StackPanel>
                                                </DataTemplate>
                                            </ItemsControl.ItemTemplate>
                                        </ItemsControl>
                                    </ScrollViewer>
                                </Border>

                                <Label Margin="30,0,0,0" Grid.Row="5" FontSize="20" Visibility="{Binding ShowTables,UpdateSourceTrigger=PropertyChanged, Converter={StaticResource CollapsedIfFalse}}" >Views</Label>
                                <Border MaxHeight="150" Grid.Row="6" Visibility="{Binding ShowTables,UpdateSourceTrigger=PropertyChanged, Converter={StaticResource CollapsedIfFalse}}" BorderBrush="White" BorderThickness="0,0,0,1" Margin="5">
                                    <ScrollViewer VerticalScrollBarVisibility="Auto">
                                        <ItemsControl Margin="30,0,0,0" ItemsSource="{Binding Views}">
                                            <ItemsControl.ItemTemplate>
                                                <DataTemplate>
                                                    <StackPanel Orientation="Horizontal">
                                                        <meterialDesign:PackIcon Kind="Table" />
                                                        <TextBlock Margin="2" Text="{Binding Name}" />
                                                    </StackPanel>
                                                </DataTemplate>
                                            </ItemsControl.ItemTemplate>
                                        </ItemsControl>
                                    </ScrollViewer>
                                </Border>

                                <Label Margin="30,0,0,0" Grid.Row="7" FontSize="20" Visibility="{Binding ShowTables,UpdateSourceTrigger=PropertyChanged, Converter={StaticResource CollapsedIfFalse}}" >Stored Procedures / Functions</Label>
                                <Border MaxHeight="150" Grid.Row="8" Visibility="{Binding ShowTables,UpdateSourceTrigger=PropertyChanged, Converter={StaticResource CollapsedIfFalse}}" BorderBrush="White" BorderThickness="0,0,0,1" Margin="5">
                                    <ScrollViewer VerticalScrollBarVisibility="Auto">
                                        <ItemsControl Margin="30,0,0,0" ItemsSource="{Binding Routines}">
                                            <ItemsControl.ItemTemplate>
                                                <DataTemplate>
                                                    <StackPanel Orientation="Horizontal">
                                                        <meterialDesign:PackIcon Kind="Table" />
                                                        <TextBlock Margin="2" Text="{Binding Name}" />
                                                    </StackPanel>
                                                </DataTemplate>
                                            </ItemsControl.ItemTemplate>
                                        </ItemsControl>
                                    </ScrollViewer>
                                </Border>
                            </Grid>
                        </DataTemplate> 
                    </ItemsControl.ItemTemplate>
                </ItemsControl>
            </ScrollViewer>
            <StackPanel Orientation="Horizontal" Grid.Row="3">
                <metro:ToggleSwitch IsOn="{Binding CopyTables}" Content="Tables" />
                <metro:ToggleSwitch IsOn="{Binding CopyData}" Content="Data" />
                <metro:ToggleSwitch IsOn="{Binding DropDatabase}" Content="Drop Database" />
            </StackPanel>

            <Grid Grid.Row="4">
                <Grid.RowDefinitions>
                    <RowDefinition Height="auto" />
                    <RowDefinition Height="auto" />
                    <RowDefinition Height="auto" />
                </Grid.RowDefinitions>

                <Label Grid.Row="0" Visibility="{Binding Message, Converter={StaticResource HasValue}, UpdateSourceTrigger=PropertyChanged}" Content="{Binding Message, UpdateSourceTrigger=PropertyChanged}"></Label>
                <Label Foreground="Red" Grid.Row="1" Visibility="{Binding Error, Converter={StaticResource HasValue}, UpdateSourceTrigger=PropertyChanged}" Content="{Binding Error, UpdateSourceTrigger=PropertyChanged}"></Label>
                <Button Grid.Row="2" Command="{Binding CopySelectedDatabases}" >Copy Database</Button>
            </Grid>
        </Grid>

        <metro:Flyout Header="Database Config" IsOpen="{Binding SourceConnection.ShowConfiguration, UpdateSourceTrigger=PropertyChanged, Mode=TwoWay}" Position="Left" Width="300" Grid.ColumnSpan="5" Grid.RowSpan="5" Background="{DynamicResource HighlightBrush}">
            <StackPanel DataContext="{Binding SourceConnection}">
                <Label HorizontalContentAlignment="Center" FontSize="30" >Source Database</Label>
                <Border Margin="1,0,1,0" BorderThickness="0,0,0,1" BorderBrush="White" ></Border>

                <DockPanel Margin="3">
                    <Label VerticalAlignment="Center" Width="80" >Instance</Label>
                    <TextBox Text="{Binding ServerInstance}"></TextBox>
                </DockPanel>

                <DockPanel Margin="3">
                    <Label VerticalAlignment="Center" Width="80">UserName</Label>
                    <TextBox Text="{Binding UserName}" ></TextBox>
                </DockPanel>

                <DockPanel Margin="3">
                    <Label VerticalAlignment="Center" Width="80">Password</Label>
                    <PasswordBox helpers:PasswordHelper.Attach="True" helpers:PasswordHelper.Password="{Binding Password, Converter={StaticResource SecureValue}, Mode=TwoWay, UpdateSourceTrigger=PropertyChanged}" ></PasswordBox>
                </DockPanel>

                <Button Grid.Column="2" Margin="1" TabIndex="-1" Command="{Binding TestConnection}">
                    <StackPanel Orientation="Horizontal">
                        <meterialDesign:PackIcon Kind="Play"></meterialDesign:PackIcon>
                        <TextBlock>Test Connection</TextBlock>
                    </StackPanel>
                </Button>

                <TextBlock HorizontalAlignment="Center" Text="{Binding Message}" Visibility="{Binding Message, Converter={StaticResource HasValue}}" Grid.ColumnSpan="4" Grid.Row="1" />

                <TextBox IsReadOnly="True" BorderThickness="0" TextWrapping="Wrap" Text="{Binding ConnectionError}" Visibility="{Binding ConnectionError, Converter={StaticResource HasValue}}" Foreground="Red" Grid.ColumnSpan="4" Grid.Row="1" />

                <metro:MetroProgressBar Visibility="{Binding IsBusy,Converter={StaticResource CollapsedIfFalse}, UpdateSourceTrigger=PropertyChanged}" Grid.Row="2" IsIndeterminate="True" Grid.ColumnSpan="4" />
            </StackPanel>
        </metro:Flyout>

        <metro:Flyout Header="Database Config" IsOpen="{Binding DestinationConnection.ShowConfiguration, UpdateSourceTrigger=PropertyChanged, Mode=TwoWay}" Position="Right" Width="300" Grid.ColumnSpan="5" Grid.RowSpan="5" Background="{DynamicResource HighlightBrush}">
            <StackPanel DataContext="{Binding DestinationConnection}">
                <Label HorizontalContentAlignment="Center" FontSize="30" >Destination Database</Label>
                <Border Margin="1,0,1,0" BorderThickness="0,0,0,1" BorderBrush="White" ></Border>

                <DockPanel Margin="3">
                    <Label VerticalAlignment="Center" Width="80" >Instance</Label>
                    <TextBox Text="{Binding ServerInstance}"></TextBox>
                </DockPanel>

                <DockPanel Margin="3">
                    <Label VerticalAlignment="Center" Width="80">UserName</Label>
                    <TextBox Text="{Binding UserName}" ></TextBox>
                </DockPanel>

                <DockPanel Margin="3">
                    <Label VerticalAlignment="Center" Width="80">Password</Label>
                    <TextBox Text="{Binding Password, Converter={StaticResource SecureValue}}" ></TextBox>
                </DockPanel>
            </StackPanel>
        </metro:Flyout>
    </Grid>
</metro:MetroWindow>