UVtools/UVtools.WPF/Windows/SettingsWindow.axaml

<Window xmlns="https://github.com/avaloniaui"
        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"
        mc:Ignorable="d" d:DesignWidth="500" d:DesignHeight="450"
        x:Class="UVtools.WPF.Windows.SettingsWindow"
        WindowStartupLocation="CenterOwner"
        SizeToContent="WidthAndHeight"
        CanResize="false"
        SystemDecorations="Full"
        MinWidth="500"
        Title="UVtools - Settings"
        Icon="/Assets/Icons/UVtools.ico"
        >
  <StackPanel Orientation="Vertical" Spacing="10">
    <TabControl>
      <TabItem Header="General" VerticalContentAlignment="Center">
        <StackPanel Orientation="Vertical" Spacing="5">
          <Border 
            Margin="5"
          BorderBrush="LightBlue"
          BorderThickness="4"
          >

            <StackPanel Orientation="Vertical">
              <TextBlock Padding="10" Background="LightBlue" FontWeight="Bold" Text="Startup"/>
              <StackPanel Margin="15" Orientation="Vertical" Spacing="15">
                <CheckBox Content="Start maximized"/>
                <CheckBox Content="Check for updates on startup"/>
              </StackPanel>
            
            </StackPanel>


          </Border>

          <Border
            Margin="5"
          BorderBrush="LightBlue"
          BorderThickness="4"
          >

            <StackPanel Orientation="Vertical">
              <TextBlock Padding="10" Background="LightBlue" FontWeight="Bold" Text="File dialog"/>
              <Grid Margin="15" RowDefinitions="Auto,10,Auto,10,Auto,10,Auto,10,Auto" ColumnDefinitions="Auto,*,Auto,Auto">
                <TextBlock 
                  VerticalAlignment="Center" 
                  Grid.Row="0" Grid.Column="0" 
                  Text="File open dialog filters:"/>
                <ComboBox Margin="10,0,0,0" 
                          Grid.ColumnSpan="3" Grid.Row="0" Grid.Column="1"/>

                <TextBlock VerticalAlignment="Center"
                           Grid.Row="2" Grid.Column="0"
                           Text="File open default directory:"/>
                <TextBox Margin="10,0,0,0" Grid.Row="2" Grid.Column="1" IsReadOnly="True"/>
                <Button Grid.Row="2" Grid.Column="2">
                  <Image Source="/Assets/Icons/open-16x16.png"/>
                </Button>
                <Button Grid.Row="2" Grid.Column="3">
                  <Image Source="/Assets/Icons/delete-16x16.png"/>
                </Button>

                <TextBlock VerticalAlignment="Center" 
                           Grid.Row="4" Grid.Column="0"
                           Text="File save as default directory:"/>
                <TextBox Margin="10,0,0,0" Grid.Row="4" Grid.Column="1" IsReadOnly="True"/>
                <Button Grid.Row="4" Grid.Column="2">
                  <Image Source="/Assets/Icons/open-16x16.png"/>
                </Button>
                <Button Grid.Row="4" Grid.Column="3">
                  <Image Source="/Assets/Icons/delete-16x16.png"/>
                </Button>

                <TextBlock VerticalAlignment="Center" 
                           Grid.Row="6" Grid.Column="0"
                           Text="File extract default directory:"/>
                <TextBox Margin="10,0,0,0" Grid.Row="6" Grid.Column="1" IsReadOnly="True"/>
                <Button Grid.Row="6" Grid.Column="2">
                  <Image Source="/Assets/Icons/open-16x16.png"/>
                </Button>
                <Button Grid.Row="6" Grid.Column="3">
                  <Image Source="/Assets/Icons/delete-16x16.png"/>
                </Button>

                <TextBlock VerticalAlignment="Center" 
                           Grid.Row="8" Grid.Column="0"
                           Text="File convert default directory:"/>
                <TextBox Margin="10,0,0,0" Grid.Row="8" Grid.Column="1" IsReadOnly="True"/>
                <Button Grid.Row="8" Grid.Column="2">
                  <Image Source="/Assets/Icons/open-16x16.png"/>
                </Button>
                <Button Grid.Row="8" Grid.Column="3">
                  <Image Source="/Assets/Icons/delete-16x16.png"/>
                </Button>
                
              </Grid>
              <CheckBox Margin="15,0" Content="On file 'Save' prompt for file overwrite for the first time" />

              <Grid Margin="15" ColumnDefinitions="Auto,*,Auto,*">
                <TextBlock VerticalAlignment="Center" Grid.Column="0" Text="File 'Save as' prefix:"/>
                <TextBox Grid.Column="1" Margin="10,0,10,0"/>
                <TextBlock VerticalAlignment="Center" Grid.Column="2" Text="Suffix:"/>
                <TextBox Grid.Column="3" Margin="10,0,0,0"/>
              </Grid>
              
            </StackPanel>


          </Border>

        </StackPanel>


      </TabItem>
      <TabItem Header="Layer preview" VerticalContentAlignment="Center">

      </TabItem>
      <TabItem Header="Issues" VerticalContentAlignment="Center">

      </TabItem>

      <TabItem Header="Pixel editor" VerticalContentAlignment="Center">

      </TabItem>

      <TabItem Header="Layer repair" VerticalContentAlignment="Center">

      </TabItem>

    </TabControl>

    <Grid ColumnDefinitions="*,*" Background="LightGray">

      <StackPanel Grid.Column="0" Orientation="Horizontal" Margin="10">
        <Button Padding="10">
          <StackPanel Orientation="Horizontal">
            <Image Source="/Assets/Icons/undo-alt-16x16.png"/>
            <TextBlock Margin="10,0,0,0">Reset all settings</TextBlock>
          </StackPanel>
          </Button>
      </StackPanel>

      <StackPanel Grid.Column="1"
                  HorizontalAlignment="Right"
                  VerticalAlignment="Center"
                  Orientation="Horizontal"
                  Margin="10"
                  >
          <Button Margin="0,0,10,0" Padding="10" IsDefault="True">
            <StackPanel Orientation="Horizontal">
              <Image Source="/Assets/Icons/save-16x16.png"/>
              <TextBlock Margin="10,0,0,0">Save</TextBlock>
            </StackPanel>
          </Button>

        <Button Padding="10" IsCancel="True">
          <StackPanel Orientation="Horizontal">
            <Image Source="/Assets/Icons/exit-16x16.png"/>
            <TextBlock Margin="10,0,0,0">Cancel</TextBlock>
          </StackPanel>
        </Button>
      </StackPanel>
    </Grid>
  </StackPanel>

  </Window>