MvvmScaffoldFrame48/MvvmScaffoldFrame48/MainWindow.xaml

<Window x:Class="MvvmScaffoldFrame48.MainWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        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"
        xmlns:local="clr-namespace:MvvmScaffoldFrame48"
        mc:Ignorable="d"
        Title="MainWindow" Height="450" Width="800">
    <Grid>
        <StackPanel Margin="0,0,0,40">
            <ToolBar>
                <Label Content="姓名:"></Label>
                <TextBox Text="{Binding Name}"  Width="50"></TextBox>
                <Label Content="邮箱:"></Label>
                <TextBox Text="{Binding Email}" Width="100"></TextBox>
                <Button Content="添加"
                    Command="{Binding AddUserCommand }"></Button>
                <Button Content="测试"
                    Command="{Binding TestCommand }"></Button>
            </ToolBar>
            <StackPanel>
                <DataGrid ItemsSource="{Binding Users}"></DataGrid>

            </StackPanel>
        </StackPanel>
        <Grid VerticalAlignment="Bottom" Height="40">
            <Ellipse Width="20" Height="20" Margin="48,0,0,0" >
                <Ellipse.Style>
                    <Style TargetType="Ellipse">
                        <Setter Property="Fill" Value="Red" />
                        <Style.Triggers>
                            <DataTrigger Binding="{Binding StaticTest}" Value="True">
                                <Setter Property="Fill" Value="Green" />
                            </DataTrigger>
                        </Style.Triggers>
                    </Style>
                </Ellipse.Style>
            </Ellipse>
        </Grid>
    </Grid>
</Window>