4C/GummingCommon/Dialogs/MessageBoxServiceView.xaml

<local:BaseDialog x:Class="GummingCommon.MessageBoxServiceView"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:local="clr-namespace:GummingCommon" 
    Background="{DynamicResource DefaultWindowBackground}"
    Title="" Height="260" Width="500" MaxHeight="600" MaxWidth="600" MinHeight="130" MinWidth="360" ResizeMode="NoResize" WindowStartupLocation="CenterScreen">
    <Grid Background="Transparent">
        <Border CornerRadius="3" BorderBrush="{DynamicResource DialogOuterBorder}" BorderThickness="0" Background="Transparent">
            <Border CornerRadius="1" BorderThickness="0" Background="Transparent"  Height="Auto" BorderBrush="{DynamicResource DialogInnerBorder}">
                <Grid Margin="10">
                    <Grid.RowDefinitions>
                        <RowDefinition Height="36"></RowDefinition>
                        <RowDefinition Height="*"></RowDefinition>
                        <RowDefinition Height="auto"></RowDefinition>
                    </Grid.RowDefinitions>
                    <Border Grid.Row="0" CornerRadius="2" Background="Transparent" >
                        <DockPanel>
                            <Label Content="{Binding WindowTitle}"  Margin="4,3,0,0"  HorizontalAlignment="Left" ></Label>
                            <Button Margin="0,5,5,5" Grid.Column="1" HorizontalAlignment="Right" Command="{Binding CancelCommand}" Focusable="False">
                                <Button.Template >
                                    <ControlTemplate TargetType="{x:Type Button}" >
                                        <Border Grid.Column="1" Grid.Row="2" Width="20" Height="20" CornerRadius="12">
                                            <Border.Background>
                                                <ImageBrush ImageSource="/Gumming;component/Resource/Close.png" Stretch="Fill">
                                                </ImageBrush>
                                            </Border.Background>
                                            <ContentPresenter Content="{TemplateBinding ContentControl.Content}" HorizontalAlignment="Center" VerticalAlignment="Center" ></ContentPresenter>
                                        </Border>
                                        <ControlTemplate.Triggers>
                                            <Trigger Property="UIElement.IsMouseOver" Value="True">
                                                <Setter Property="Cursor" Value="Hand"></Setter>
                                            </Trigger>
                                        </ControlTemplate.Triggers>
                                    </ControlTemplate>
                                </Button.Template>
                            </Button>
                        </DockPanel>
                    </Border>                    
                    <Grid Grid.Row="1" Margin="7">
                        <Grid.ColumnDefinitions>
                            <ColumnDefinition Width="auto"></ColumnDefinition>
                            <ColumnDefinition Width="*"></ColumnDefinition>
                        </Grid.ColumnDefinitions>

                        <Grid VerticalAlignment="Top" Margin="0,5,0,0">
                            <Image Height="26" Source="/Gumming;component/Resource/check.png" Stretch="Fill" Width="26" x:Name="spWarning" Visibility="{Binding spWarningVisibility}" />
                            <Image Height="26" Source="/Gumming;component/Resource/error.png" Stretch="Fill" Width="26" x:Name="spError" Visibility="{Binding spErrorVisibility}" />
                            <Image Height="26" Source="/Gumming;component/Resource/information.png" Stretch="Fill" Width="26" x:Name="spFinish" Visibility="{Binding spInforVisibility}" />
                        </Grid>

                        <Grid Grid.Column="1" Margin="5,0,0,0">
                            <Grid.RowDefinitions>
                                <RowDefinition Height="*"></RowDefinition>
                                <RowDefinition Height="auto"></RowDefinition>
                            </Grid.RowDefinitions>
                            <Border x:Name="TextBoxBorder" BorderThickness="1">
                                <ScrollViewer x:Name="TextBoxScrollViewer"  HorizontalScrollBarVisibility="Disabled" VerticalScrollBarVisibility="Auto">
                                    <TextBox Text="{Binding Message}" Name="txtMessage" FontWeight="Bold"
                                        FontSize="12" VerticalScrollBarVisibility="Disabled" VerticalContentAlignment="Top"
                                        TextWrapping="Wrap" BorderThickness="0"  HorizontalScrollBarVisibility="Disabled" IsReadOnly="True"
                                        Background="White" Foreground="{DynamicResource TextBrush}">
                                    </TextBox>
                                </ScrollViewer>
                                <Border.Style>
                                    <Style TargetType="Border">
                                        <Setter Property="BorderBrush" Value="Transparent"></Setter>
                                        <Style.Triggers>
                                            <DataTrigger Binding="{Binding ElementName=TextBoxScrollViewer, Path=ComputedVerticalScrollBarVisibility}" Value="Visible">
                                                <Setter Property="BorderBrush" Value="{DynamicResource Border}"></Setter>
                                            </DataTrigger>
                                        </Style.Triggers>
                                    </Style>
                                </Border.Style>
                            </Border>                            
                        </Grid>
                    </Grid>

                    <Grid Grid.Row="2" Margin="7,0,10,7" >
                        <Grid.ColumnDefinitions>
                            <ColumnDefinition Width="85"></ColumnDefinition>
                            <ColumnDefinition Width="*"></ColumnDefinition>
                            <ColumnDefinition Width="85"></ColumnDefinition>
                            <ColumnDefinition Width="3"></ColumnDefinition>
                            <ColumnDefinition Width="85"></ColumnDefinition>
                        </Grid.ColumnDefinitions>
                        <Button Width="85" Height="26" Grid.Column="0" Style="{DynamicResource CommonIconButton}" Visibility="{Binding btLeftVisibility}" Command="{Binding LeftButtonCommand}" IsDefault="{Binding LeftButtonIsDefault}">
                            <AccessText Text="{Binding btLeftContent}"></AccessText>
                        </Button>
                        <Button Width="85" Height="26" Grid.Column="2" Style="{DynamicResource CommonIconButton}" Visibility="{Binding btCenterVisibility}"  Command="{Binding CenterButtonCommand}" IsDefault="{Binding CenterButtonIsDefault}">
                            <AccessText Text="{Binding btCenterContent}"></AccessText>
                        </Button>
                        <Button Width="85" Height="26" Grid.Column="4" Style="{DynamicResource CommonIconButton}" Visibility="{Binding btRightVisibility}" Command="{Binding RightButtonCommand}" IsDefault="{Binding RightButtonIsDefault}">
                            <AccessText Text="{Binding btRightContent}"></AccessText>
                        </Button>
                    </Grid>                    
                </Grid>
            </Border>
        </Border>
    </Grid>
</local:BaseDialog>