1.通过WPF绑定一个属性,比如bool型的数据

 <TextBox BorderBrush="Transparent" 
                                         Text="{Binding Path=DataContent,Mode=OneWay,UpdateSourceTrigger=LostFocus}"                                               
                                         HorizontalContentAlignment="Left"
                                         Padding="5,0,0,0"
                                         VerticalContentAlignment="Center"
                                         VerticalAlignment="Stretch"                                         
                                         IsReadOnly="True">

                                            <TextBox.Style>
                                                <Style TargetType="{x:Type TextBox}">
                                                    <Style.Triggers>

                                                        <DataTrigger Binding="{Binding FrameColor}" Value="True">
                                                            <Setter Property="Foreground" Value="Red">                                                  </Setter>
                                                        </DataTrigger>

                                                        <DataTrigger Binding="{Binding FrameColor}" Value="False">
                                                            <Setter Property="Foreground" Value="Green"></Setter>
                                                        </DataTrigger>

                                                    </Style.Triggers>
                                                </Style>

                                            </TextBox.Style>

                                        </TextBox>
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