WPF多个TextBox模板触发器

Question

我制作了自己的默认TextBlock样式，但遇到了问题。

有一些触发器-GotFocus / LostFocus事件触发器和附加的属性触发器。

触发第一个事件触发器时，边框颜色将变为绿色，然后变为灰色，而附加的属性触发器会将其颜色更改为红色。

有一个问题：如果我单击按钮以运行验证TextBoxes的方法，它们将切换为红色，但是如果我先单击任何TextBox来打开GotFocus / LostFocus触发器，然后尝试验证它们是否单击了不会将其颜色更改为红色。

希望你能理解我

代码如下：

<Style TargetType="{x:Type TextBox}">
    <Setter Property="Background" Value="White"/>
    <Setter Property="Foreground" Value="Black"/>
    <Setter Property="FontSize" Value="18"/>
    <Setter Property="FontFamily" Value="{StaticResource LatoRegular}"/>
    <Setter Property="BorderBrush" Value="{StaticResource DarkGreyBrush}" />
    <Setter Property="BorderThickness" Value="0 0 0 2" />
    <Setter Property="Margin" Value="0 0 0 0"/>
    <Setter Property="TextAlignment" Value="Center"/>
    <Setter Property="local:FormMessageProperty.Value" Value="None"/>

    <Setter Property="Template">
        <Setter.Value>
            <ControlTemplate TargetType="{x:Type TextBox}">
                <Grid Margin="{TemplateBinding Margin}">
                    <Grid.RowDefinitions>
                        <RowDefinition Height="Auto"/>
                        <RowDefinition Height="Auto"/>
                    </Grid.RowDefinitions>
                    <Border Grid.Row="0" x:Name="Border" Background="{TemplateBinding Background}" SnapsToDevicePixels="True" 
                                BorderBrush="{TemplateBinding BorderBrush}" BorderThickness="{TemplateBinding BorderThickness}" 
                                Margin="0 20 0 0" Padding="5 1 5 1">
                        <ScrollViewer x:Name="PART_ContentHost" Focusable="True" 
                                          HorizontalScrollBarVisibility="Hidden" VerticalScrollBarVisibility="Hidden"/>
                    </Border>

                    <TextBlock Grid.Row="0" x:Name="PlaceholderText" Text="{TemplateBinding Tag}" Foreground="{StaticResource DarkGreyBrush}" 
                                   FontFamily="{StaticResource LatoLight}" TextAlignment="{TemplateBinding TextAlignment}" FontSize="{TemplateBinding FontSize}" 
                                   IsHitTestVisible="False" Margin="0 22 0 0" Padding="5 0 5 0"/>

                    <TextBlock Grid.Row="1" Text="{TemplateBinding local:FormMessageProperty.Value, Converter={local:FormMessageToStringConverter}}"
                               Foreground="Red" FontFamily="{StaticResource LatoRegular}" FontSize="12" Margin="5 3 5 0" 
                               x:Name="ErrorMessage"/>
                </Grid>



                <!-- Animations -->
                <ControlTemplate.Triggers>

                    <!-- GotFocus animations -->
                    <EventTrigger RoutedEvent="GotFocus">
                        <!-- Border -->
                        <BeginStoryboard>
                            <Storyboard>
                                <ColorAnimation To="{StaticResource ButtonGreen}" Duration="0:0:0.2" 
                                                Storyboard.TargetName="Border" Storyboard.TargetProperty="BorderBrush.Color" />
                            </Storyboard>
                        </BeginStoryboard>

                        <!-- Text -->
                        <BeginStoryboard>
                            <Storyboard>
                                <ColorAnimation To="{StaticResource ButtonGreen}" Duration="0:0:0.2" 
                                                Storyboard.TargetName="PlaceholderText" Storyboard.TargetProperty="Foreground.Color" />
                            </Storyboard>
                        </BeginStoryboard>
                    </EventTrigger>

                    <!-- LostFocus animations -->
                    <EventTrigger RoutedEvent="LostFocus">
                        <!-- Border -->
                        <BeginStoryboard>
                            <Storyboard>
                                <ColorAnimation To="{StaticResource DarkGrey}" Duration="0:0:0.2" 
                                                Storyboard.TargetName="Border" Storyboard.TargetProperty="BorderBrush.Color" />
                            </Storyboard>
                        </BeginStoryboard>

                        <!-- Text -->
                        <BeginStoryboard>
                            <Storyboard>
                                <ColorAnimation To="{StaticResource DarkGrey}" Duration="0:0:0.2" 
                                                Storyboard.TargetName="PlaceholderText" Storyboard.TargetProperty="Foreground.Color" />
                            </Storyboard>
                        </BeginStoryboard>
                    </EventTrigger>

                    <!-- Placeholder Text Animations -->
                    <DataTrigger Binding="{Binding Text, RelativeSource={RelativeSource Self}, Converter={local:TextToBooleanConverter}, UpdateSourceTrigger=PropertyChanged}" Value="True">

                        <!-- Go up -->
                        <DataTrigger.EnterActions>

                            <!-- Margin -->
                            <BeginStoryboard>
                                <Storyboard>
                                    <ThicknessAnimation Storyboard.TargetName="PlaceholderText" Storyboard.TargetProperty="Margin"
                                                        To="0 4 0 0" Duration="0:0:0.2" />
                                </Storyboard>
                            </BeginStoryboard>

                            <!-- FontSize -->
                            <BeginStoryboard>
                                <Storyboard>
                                    <DoubleAnimation Storyboard.TargetName="PlaceholderText" Storyboard.TargetProperty="FontSize"
                                                        To="14" Duration="0:0:0.2" />
                                </Storyboard>
                            </BeginStoryboard>
                        </DataTrigger.EnterActions>

                        <!-- Go down -->
                        <DataTrigger.ExitActions>

                            <!-- Margin -->
                            <BeginStoryboard>
                                <Storyboard>
                                    <ThicknessAnimation Storyboard.TargetName="PlaceholderText" Storyboard.TargetProperty="Margin"
                                                        To="0 22 0 0" Duration="0:0:0.2" />
                                </Storyboard>
                            </BeginStoryboard>

                            <!-- FontSize -->
                            <BeginStoryboard>
                                <Storyboard>
                                    <DoubleAnimation Storyboard.TargetName="PlaceholderText" Storyboard.TargetProperty="FontSize"
                                                        To="18" Duration="0:0:0.2" />
                                </Storyboard>
                            </BeginStoryboard>
                        </DataTrigger.ExitActions>
                    </DataTrigger>

                    <!-- FormMessageProperty animations -->
                    <Trigger Property="local:FormMessageProperty.Value" Value="None">

                        <Trigger.EnterActions>
                            <BeginStoryboard>
                                <Storyboard>
                                    <DoubleAnimation Storyboard.TargetName="ErrorMessage" Storyboard.TargetProperty="Opacity" To="0" Duration="0:0:0.2" />
                                </Storyboard>
                            </BeginStoryboard>
                        </Trigger.EnterActions>

                        <!-- When FormMessageProperty is other than None -->
                        <Trigger.ExitActions>

                            <!-- Error Message -->
                            <BeginStoryboard>
                                <Storyboard>
                                    <DoubleAnimation Storyboard.TargetName="ErrorMessage" Storyboard.TargetProperty="Opacity" To="1" Duration="0:0:0.2" />
                                </Storyboard>
                            </BeginStoryboard>

                            <!-- Border -->
                            <BeginStoryboard>
                                <Storyboard>
                                    <ColorAnimation To="Red" Duration="0:0:0.2" 
                                                Storyboard.TargetName="Border" Storyboard.TargetProperty="BorderBrush.Color" />
                                </Storyboard>
                            </BeginStoryboard>


                            <!-- Text -->
                            <BeginStoryboard>
                                <Storyboard>
                                    <ColorAnimation To="Red" Duration="0:0:0.2" 
                                                Storyboard.TargetName="PlaceholderText" Storyboard.TargetProperty="Foreground.Color" />
                                </Storyboard>
                            </BeginStoryboard>
                        </Trigger.ExitActions>

                    </Trigger>

                </ControlTemplate.Triggers>
            </ControlTemplate>
        </Setter.Value>
    </Setter>
</Style>