downkyicore/DownKyi/Views/Dialogs/ViewAlertDialog.axaml

<UserControl xmlns="https://github.com/avaloniaui"
             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
             x:Class="DownKyi.Views.Dialogs.ViewAlertDialog"
             xmlns:prism="http://prismlibrary.com/"
             prism:ViewModelLocator.AutoWireViewModel="True"
             xmlns:vmd="clr-namespace:DownKyi.ViewModels.Dialogs"
             xmlns:prismExtension="clr-namespace:DownKyi.PrismExtension.Dialog"
             x:DataType="vmd:ViewAlertDialogViewModel"
             xmlns:i="using:Avalonia.Xaml.Interactivity"
             xmlns:ia="clr-namespace:Avalonia.Xaml.Interactions.Core;assembly=Avalonia.Xaml.Interactions">

    <prismExtension:Dialog.Theme>
        <ControlTheme TargetType="Window">
            <Setter Property="CanResize" Value="False" />
            <Setter Property="ShowInTaskbar" Value="False" />
            <Setter Property="SizeToContent" Value="WidthAndHeight" />
            <Setter Property="SystemDecorations" Value="None" />
        </ControlTheme>
    </prismExtension:Dialog.Theme>

    <Border BorderBrush="{DynamicResource BrushWindowBorder}" BorderThickness="1,1,0.6,0.6">
        <Grid Background="{DynamicResource BrushBackground}" RowDefinitions="40,*">

            <Grid
                Grid.Row="0"
                Background="{DynamicResource BrushBackgroundGreyTranslucent3}"
                KeyboardNavigation.TabNavigation="None" ColumnDefinitions="*,50,*,50">

                <StackPanel
                    Grid.Column="0"
                    Margin="10,0"
                    VerticalAlignment="Center"
                    Orientation="Horizontal">
                    <ContentControl
                        Margin="0,0,10,0"
                        IsVisible="{Binding Image,Converter={x:Static ObjectConverters.IsNotNull}}">
                        <Path
                            Width="{Binding Image.Width}"
                            Height="{Binding Image.Height}"
                            Data="{Binding Image.Data}"
                            Fill="{Binding Image.Fill}"
                            Stretch="Uniform" />
                    </ContentControl>
                    <TextBlock
                        VerticalAlignment="Center"
                        FontSize="14"
                        Foreground="{DynamicResource BrushCaptionForeground}"
                        Text="{Binding Title}" />
                </StackPanel>
                <Button
                    Grid.Column="4"
                    Command="{Binding CloseCommand}"
                    ToolTip.Tip="{DynamicResource Close}"
                    Theme="{StaticResource CloseBtnStyle}">
                    <Path
                        Width="{Binding CloseIcon.Width}"
                        Height="{Binding CloseIcon.Height}"
                        Data="{Binding CloseIcon.Data}"
                        Fill="{DynamicResource ColorSystemBtnTintDark}"
                        Stretch="UniformToFill" />
                </Button>
            </Grid>
            <Grid Grid.Row="1" Margin="0,10,0,20" RowDefinitions="*,*">

                <ScrollViewer
                    Grid.Row="0"
                    MaxWidth="500"
                    MaxHeight="190"
                    Margin="0,10,0,30"
                    Padding="15,0"
                    VerticalScrollBarVisibility="Auto">
                    <TextBlock
                        HorizontalAlignment="Center"
                        VerticalAlignment="Center"
                        FontSize="14"
                        Foreground="{DynamicResource BrushTextDark}"
                        Text="{Binding Message}"
                        TextTrimming="CharacterEllipsis"
                        TextWrapping="WrapWithOverflow" />
                </ScrollViewer>

                <Button
                    Grid.Row="1"
                    Width="75"
                    HorizontalAlignment="Center"
                    VerticalAlignment="Bottom"
                    Command="{Binding AllowCommand}"
                    Content="{DynamicResource Allow}"
                    FontSize="12"
                    Foreground="{DynamicResource BrushText}"
                    Theme="{StaticResource BtnStyle}"
                    IsVisible="{Binding AloneButton}" />

                <Grid Grid.Row="1" IsVisible="{Binding TwoButton}">
                    <Grid.ColumnDefinitions>
                        <ColumnDefinition MinWidth="100" />
                        <ColumnDefinition MinWidth="100" />
                    </Grid.ColumnDefinitions>
                    <Button
                        Grid.Column="0"
                        Width="75"
                        HorizontalAlignment="Center"
                        VerticalAlignment="Bottom"
                        Command="{Binding AllowCommand}"
                        Content="{DynamicResource Allow}"
                        FontSize="12"
                        Foreground="{DynamicResource BrushText}"
                        Theme="{StaticResource BtnStyle}" />
                    <Button
                        Grid.Column="1"
                        Width="75"
                        HorizontalAlignment="Center"
                        VerticalAlignment="Bottom"
                        Command="{Binding CloseCommand}"
                        Content="{DynamicResource Cancel}"
                        FontSize="12"
                        Foreground="{DynamicResource BrushText}"
                        Theme="{StaticResource BtnStyle}" />
                </Grid>
            </Grid>
        </Grid>
    </Border>
</UserControl>