Catalog/imagecatalog/AvaloniaViews/GeneralTabView.axaml

<UserControl xmlns="https://github.com/avaloniaui"
             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
             xmlns:controls="clr-namespace:ImageCatalog_2.Controls"
             x:Class="ImageCatalog_2.AvaloniaViews.GeneralTabView">
    <ScrollViewer>
        <StackPanel Margin="4" Spacing="8">
            <TextBlock Text="Percorsi" FontWeight="Bold" />
            <StackPanel Margin="0,2,0,0" Spacing="6">
                <controls:PathPickerField Margin="0,0,0,2"
                                          Label="Sorgente:"
                                          Text="{Binding SourcePath, Mode=TwoWay}"
                                          PreferenceKey="Picker.SourceFolder.LastPath"
                                          PickerTitle="Seleziona cartella sorgente"
                                          PickerMode="Folder"
                                          AppendDirectorySeparator="True" />
                <controls:PathPickerField Label="Destinazione:"
                                          Text="{Binding DestinationPath, Mode=TwoWay}"
                                          PreferenceKey="Picker.DestinationFolder.LastPath"
                                          PickerTitle="Seleziona cartella destinazione"
                                          PickerMode="Folder"
                                          AppendDirectorySeparator="True" />
            </StackPanel>

            <Grid ColumnDefinitions="*,*" ColumnSpacing="24" Margin="0,4,0,0">
                <StackPanel Grid.Column="0" Spacing="8">
                    <TextBlock Text="Opzioni" FontWeight="Bold" />
                    <StackPanel Margin="0,2,0,0" Spacing="3">
                        <CheckBox Content="Forza JPEG" IsChecked="{Binding ForceJpeg}" />
                        <CheckBox Content="Aggiorna sottodirectory" IsChecked="{Binding UpdateSubdirectories}" />
                        <CheckBox Content="Crea sottocartelle" IsChecked="{Binding CreateSubfolders}" />
                        <CheckBox Content="Sovrascrivi immagini" IsChecked="{Binding OverwriteImages}" />
                    </StackPanel>

                    <TextBlock Text="Elaborazione" FontWeight="Bold" />
                    <Grid ColumnDefinitions="Auto,74,Auto,74" ColumnSpacing="8" RowDefinitions="Auto">
                        <TextBlock Text="Threads:" VerticalAlignment="Center" Grid.Column="0" />
                        <TextBox Text="{Binding ThreadsCount, Mode=TwoWay}" Width="74" Grid.Column="1" />
                        <TextBlock Text="Chunk:" VerticalAlignment="Center" Grid.Column="2" />
                        <TextBox Text="{Binding ChunkSize, Mode=TwoWay}" Width="74" Grid.Column="3" />
                    </Grid>
                </StackPanel>

                <StackPanel Grid.Column="1" Spacing="8">
                    <TextBlock Text="Divisione cartelle" FontWeight="Bold" />
                    <Grid ColumnDefinitions="Auto,78,Auto,*" ColumnSpacing="8" RowDefinitions="Auto">
                        <TextBlock Text="File per cartella:" VerticalAlignment="Center" Grid.Column="0" />
                        <TextBox Text="{Binding FilesPerFolder}" Width="78" Grid.Column="1" />
                        <TextBlock Text="Suffisso:" VerticalAlignment="Center" Grid.Column="2" />
                        <TextBox Text="{Binding FolderSuffix}" MinWidth="120" Grid.Column="3" />
                    </Grid>

                    <TextBlock Text="Numerazione" FontWeight="Bold" />
                    <StackPanel Margin="0,2,0,0" Spacing="6">
                        <StackPanel Orientation="Horizontal" Spacing="12">
                            <RadioButton Content="Progressiva" IsChecked="{Binding UseProgressiveNumbering}" GroupName="Num" />
                            <RadioButton Content="Per file" IsChecked="{Binding UseFileNumbering}" GroupName="Num" />
                        </StackPanel>
                        <Grid ColumnDefinitions="Auto,64,*" ColumnSpacing="8">
                            <TextBlock Text="Cifre:" VerticalAlignment="Center" Grid.Column="0" />
                            <TextBox Text="{Binding CounterDigits}" Width="64" Grid.Column="1" />
                        </Grid>
                    </StackPanel>
                </StackPanel>
            </Grid>
        </StackPanel>
    </ScrollViewer>
</UserControl>