maksit-postclient/src/MaksIT.PostClient.UI/Windows/AccountSettingsWindow.axaml

<Window xmlns="https://github.com/avaloniaui"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        xmlns:vm="using:MaksIT.PostClient.UI.ViewModels"
        x:Class="MaksIT.PostClient.UI.Windows.AccountSettingsWindow"
        x:DataType="vm:MainViewModel"
        Title="{Binding Copy.AccountSettingsTitle}"
        Icon="/Assets/icon.ico"
        Width="560"
        Height="740"
        MinWidth="480"
        MinHeight="520"
        WindowStartupLocation="CenterOwner">
  <DockPanel Margin="16" LastChildFill="True">
    <TextBlock DockPanel.Dock="Top"
               Text="{Binding Status}"
               Classes="section"
               TextWrapping="Wrap"
               Margin="0,0,0,12" />
    <StackPanel DockPanel.Dock="Bottom" Spacing="8" Margin="0,12,0,0">
      <Button Content="{Binding Copy.SaveAccount}" Classes="accent" Command="{Binding SaveMailboxCommand}" />
      <Button Content="{Binding Copy.RemoveAccount}" Classes="quiet" Command="{Binding RemoveMailboxCommand}" />
    </StackPanel>
    <ScrollViewer>
      <StackPanel Spacing="8">
        <TextBlock Text="{Binding Copy.LanguageLabel}" Classes="kicker" />
        <ComboBox ItemsSource="{Binding Languages}"
                  SelectedItem="{Binding SelectedLanguage}"
                  HorizontalAlignment="Stretch">
          <ComboBox.ItemTemplate>
            <DataTemplate x:DataType="vm:ChoiceRow">
              <TextBlock Text="{Binding Title}" />
            </DataTemplate>
          </ComboBox.ItemTemplate>
        </ComboBox>
        <TextBlock Text="{Binding Copy.AccountSettings}" Classes="section" />
        <TextBlock Text="{Binding Copy.AccountHint}"
                   Classes="hint"
                   TextWrapping="Wrap"
                   IsVisible="{Binding ShowServerFields}" />
        <ComboBox ItemsSource="{Binding Providers}"
                  SelectedItem="{Binding EditorProvider}"
                  HorizontalAlignment="Stretch" />
        <TextBlock Text="{Binding Copy.CertifiedKind}"
                   Classes="kicker"
                   IsVisible="{Binding ShowCertifiedKind}" />
        <ComboBox ItemsSource="{Binding CertifiedKinds}"
                  SelectedItem="{Binding EditorCertifiedKind}"
                  HorizontalAlignment="Stretch"
                  IsVisible="{Binding ShowCertifiedKind}" />
        <TextBlock Text="{Binding Copy.CertifiedKindHint}"
                   Classes="hint"
                   TextWrapping="Wrap"
                   IsVisible="{Binding ShowCertifiedKind}" />
        <TextBlock Text="{Binding Copy.PstHint}"
                   Classes="hint"
                   TextWrapping="Wrap"
                   IsVisible="{Binding ShowPstFields}" />
        <Grid ColumnDefinitions="*,8,Auto" IsVisible="{Binding ShowPstFields}">
          <TextBox PlaceholderText="{Binding Copy.StorePath}" Text="{Binding EditorStorePath}" />
          <Button Grid.Column="2"
                  Content="{Binding Copy.BrowseFile}"
                  Classes="mail-tool"
                  Command="{Binding BrowseStorePathCommand}" />
        </Grid>
        <TextBox PlaceholderText="{Binding Copy.DisplayName}" Text="{Binding EditorName}" />
        <TextBox PlaceholderText="{Binding Copy.Address}" Text="{Binding EditorAddress}" />
        <TextBox PlaceholderText="{Binding Copy.Username}" Text="{Binding EditorUsername}" IsVisible="{Binding ShowServerFields}" />
        <TextBlock Text="{Binding OauthHint}" Classes="hint" TextWrapping="Wrap" IsVisible="{Binding ShowAuthHint}" />
        <Button Content="{Binding Copy.SignInGoogle}"
                Classes="mail-tool"
                Command="{Binding SignInGoogleCommand}"
                IsVisible="{Binding ShowGoogleSignIn}" />
        <Button Content="{Binding Copy.SignInMicrosoft}"
                Classes="mail-tool"
                Command="{Binding SignInMicrosoftCommand}"
                IsVisible="{Binding ShowMicrosoftSignIn}" />
        <TextBox PlaceholderText="{Binding Copy.PasswordKeep}"
                 PasswordChar="•"
                 Text="{Binding EditorPassword}"
                 IsVisible="{Binding ShowPasswordFields}" />
        <TextBlock Text="{Binding Copy.LocalStore}"
                   Classes="kicker"
                   IsVisible="{Binding ShowArchiveStore}" />
        <Grid ColumnDefinitions="*,8,Auto" IsVisible="{Binding ShowArchiveStore}">
          <ComboBox ItemsSource="{Binding ArchiveStoreChoices}"
                    SelectedItem="{Binding EditorArchiveStore}"
                    HorizontalAlignment="Stretch">
            <ComboBox.ItemTemplate>
              <DataTemplate x:DataType="vm:ChoiceRow">
                <TextBlock Text="{Binding Title}" />
              </DataTemplate>
            </ComboBox.ItemTemplate>
          </ComboBox>
          <Button Grid.Column="2"
                  Content="{Binding Copy.CreateStore}"
                  Classes="mail-tool"
                  Command="{Binding CreatePstCommand}" />
        </Grid>
        <ComboBox ItemsSource="{Binding IncomingProtocols}"
                  SelectedItem="{Binding EditorIncomingProtocol}"
                  HorizontalAlignment="Stretch"
                  IsVisible="{Binding ShowServerFields}" />
        <TextBox PlaceholderText="{Binding Copy.IncomingHost}"
                 Text="{Binding EditorIncomingHost}"
                 IsVisible="{Binding ShowServerFields}" />
        <Grid ColumnDefinitions="*,8,*" IsVisible="{Binding ShowServerFields}">
          <NumericUpDown Value="{Binding EditorIncomingPort}" Minimum="1" Maximum="65535" />
          <ComboBox Grid.Column="2"
                    ItemsSource="{Binding SecurityModes}"
                    SelectedItem="{Binding EditorIncomingSecurity}" />
        </Grid>
        <TextBox PlaceholderText="{Binding Copy.SmtpHost}"
                 Text="{Binding EditorSmtpHost}"
                 IsVisible="{Binding ShowServerFields}" />
        <Grid ColumnDefinitions="*,8,*" IsVisible="{Binding ShowServerFields}">
          <NumericUpDown Value="{Binding EditorSmtpPort}" Minimum="1" Maximum="65535" />
          <ComboBox Grid.Column="2"
                    ItemsSource="{Binding SecurityModes}"
                    SelectedItem="{Binding EditorSmtpSecurity}" />
        </Grid>
      </StackPanel>
    </ScrollViewer>
  </DockPanel>
</Window>