WPF_CheckBox

<CheckBox Width="90" Content="比例缩放" VerticalAlignment="Center" VerticalContentAlignment="Center" IsChecked="{Binding IsProportional}" Cursor="Hand" Padding="0 0 0 0">
                                <CheckBox.Style>
                                    <Style TargetType="CheckBox">
                                        <Style.Triggers>
                                            <DataTrigger Binding="{Binding StampFilePath}" Value="{x:Null}">
                                                <Setter Property="IsEnabled" Value="False"/>
                                            </DataTrigger>
                                            <DataTrigger Binding="{Binding StampFilePath}" Value="">
                                                <Setter Property="IsEnabled" Value="False"/>
                                            </DataTrigger>
                                        </Style.Triggers>
                                    </Style>
                                </CheckBox.Style>
                            </CheckBox>