Sheas-Cealer/Wins/AboutWin.xaml

<Window x:Class="Sheas_Cealer.Wins.AboutWin"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
        xmlns:convs="clr-namespace:Sheas_Cealer.Convs"
        xmlns:consts="clr-namespace:Sheas_Cealer.Consts"
        mc:Ignorable="d"
        Style="{DynamicResource CommonWindow}" WindowStartupLocation="CenterScreen" ResizeMode="NoResize" SizeToContent="Height" Width="500" MinWidth="500"
        KeyDown="AboutWin_KeyDown">
    <Window.Resources>
        <consts:AboutConst x:Key="AboutConst" />
    </Window.Resources>

    <Grid Margin="5">
        <Grid.RowDefinitions>
            <RowDefinition Height="*" />
            <RowDefinition Height="*" />
        </Grid.RowDefinitions>
        <Grid.ColumnDefinitions>
            <ColumnDefinition Width="1.1*" />
            <ColumnDefinition Width="*" />
            <ColumnDefinition Width="*" />
            <ColumnDefinition Width="*" />
        </Grid.ColumnDefinitions>

        <Button x:Name="DeveloperButton"
                Content="{Binding DeveloperButtonContent, Source={StaticResource AboutConst}}" Grid.Row="0" Grid.Column="0" Grid.ColumnSpan="2" Margin="5" Foreground="#FF2196F3" ToolTip="{Binding DeveloperButtonUrl, Source={StaticResource AboutConst}}"
                Click="AboutButton_Click" />
        <Button x:Name="VersionButton"
                Grid.Row="1" Grid.Column="0" Margin="5" Foreground="#FF2196F3" ToolTip="{Binding VersionButtonUrl, Source={StaticResource AboutConst}}"
                Click="AboutButton_Click">
            <Button.Content>
                <MultiBinding Mode="OneTime">
                    <MultiBinding.Converter>
                        <convs:AboutVersionButtonContentConv />
                    </MultiBinding.Converter>
                    
                    <Binding Path="VersionButtonContent" Source="{StaticResource AboutConst}" />
                    <Binding Path="Version" Source="{StaticResource AboutConst}" />
                    
                </MultiBinding>
            </Button.Content>
        </Button>
        <Button x:Name="EmailButton"
                Content="{Binding EmailButtonContent, Source={StaticResource AboutConst}}" Grid.Row="1" Grid.Column="1" Margin="5" ToolTip="{Binding EmailButtonUrl, Source={StaticResource AboutConst}}" />

        <Button x:Name="InstructionButton"
                Content="{Binding InstructionButtonContent, Source={StaticResource AboutConst}}" Grid.Row="0" Grid.Column="2" Margin="5" ToolTip="{Binding InstructionButtonUrl, Source={StaticResource AboutConst}}"
                Click="AboutButton_Click" />
        <Button x:Name="OpenSourceButton"
                Content="{Binding OpenSourceButtonContent, Source={StaticResource AboutConst}}" Grid.Row="1" Grid.Column="2" Margin="5" ToolTip="{Binding OpenSourceButtonUrl, Source={StaticResource AboutConst}}"
                Click="AboutButton_Click" />

        <Button x:Name="PrivacyButton"
                Content="{Binding PrivacyButtonContent, Source={StaticResource AboutConst}}" Grid.Row="0" Grid.Column="3" Margin="5" ToolTip="{Binding PrivacyButtonUrl, Source={StaticResource AboutConst}}"
                Click="AboutButton_Click" />
        <Button x:Name="AgreementButton"
                Content="{Binding AgreementButtonContent, Source={StaticResource AboutConst}}" Grid.Row="1" Grid.Column="3" Margin="5" ToolTip="{Binding AgreementButtonUrl, Source={StaticResource AboutConst}}"
                Click="AboutButton_Click" />

    </Grid>
</Window>