有多属性触发器 就有多数据触发器

 <Grid>



        <CheckBox x:Name="c1"  Content="许可协议1" HorizontalAlignment="Left" Margin="151,157,0,0" VerticalAlignment="Top"/>



        <CheckBox x:Name="c2" Content="许可协议2" HorizontalAlignment="Left" Margin="151,178,0,0" VerticalAlignment="Top"/>



        <Button Content="注册" Click="Button_Click"  HorizontalAlignment="Left" Margin="151,209,0,0" VerticalAlignment="Top" Width="75">



            <Button.Style>



                <Style TargetType="{x:Type Button}">



                    <Setter Property="IsEnabled" Value="False"></Setter>



                    <Style.Triggers>



                        <MultiDataTrigger>



                            <MultiDataTrigger.Conditions>



                                <Condition Binding="{Binding ElementName=c1,Path=IsChecked}" Value="True"></Condition>



                                <Condition Binding="{Binding ElementName=c2,Path=IsChecked}" Value="True"></Condition>







                            </MultiDataTrigger.Conditions>



                            <MultiDataTrigger.Setters>



                                <Setter Property="IsEnabled" Value="True"/>



                            </MultiDataTrigger.Setters>



                        </MultiDataTrigger>



                    </Style.Triggers>



                </Style>



            </Button.Style>



        </Button>







    </Grid>

WPF精修篇 多数据触发器