UWP - 按钮 VisualState Focused 无法正常工作

Question

I'm trying to change the font color of a button when the button is clicked. I have tried many different things but none have worked. This is the latest thing I tried and what I believe should be the answer but it's not working. Can someone help? PointerOver isworking fine, but Focused is not doing anything when the button is clicked. After click I want the color to remain applied until another button is clicked, then the text in the new button clicked will change color and the previous button clicked will go back to the default color.

I have tried Pressed and focused state both but none is working.

        <Style x:Key="ButtonMenuItemStyle"
           TargetType="Button">
        <Setter Property="Background"
                Value="Transparent" />
        <Setter Property="Foreground"
                Value="{x:Bind ViewModel.LeftNavMenuPrimaryTextColor}" />
        <Setter Property="BorderBrush"
                Value="{ThemeResource ButtonBorderBrush}" />
        <Setter Property="BorderThickness"
                Value="0" />
        <Setter Property="Padding"
                Value="0" />
        <Setter Property="AllowFocusOnInteraction"
                Value="True" />
        <Setter Property="HorizontalAlignment"
                Value="Stretch" />
        <Setter Property="VerticalContentAlignment"
                Value="Stretch"></Setter>
        <Setter Property="HorizontalContentAlignment"
                Value="Stretch"></Setter>
        <Setter Property="VerticalAlignment"
                Value="Stretch" />
        <Setter Property="Height"
                Value="65"></Setter>
        <Setter Property="FontFamily"
                Value="{ThemeResource ContentControlThemeFontFamily}" />
        <Setter Property="FontWeight"
                Value="Normal" />
        <Setter Property="FontSize"
                Value="{ThemeResource ControlContentThemeFontSize}" />
        <Setter Property="UseSystemFocusVisuals"
                Value="False" />
        <Setter Property="Template">
            <Setter.Value>
                <ControlTemplate TargetType="Button">
                    <ContentPresenter x:Name="ContentPresenter"
                                      AutomationProperties.AccessibilityView="Raw"
                                      Background="{TemplateBinding Background}"
                                      BorderThickness="{TemplateBinding BorderThickness}"
                                      BorderBrush="{TemplateBinding BorderBrush}"
                                      ContentTemplate="{TemplateBinding ContentTemplate}"
                                      Content="{TemplateBinding Content}"
                                      ContentTransitions="{TemplateBinding ContentTransitions}"
                                      HorizontalContentAlignment="{TemplateBinding HorizontalContentAlignment}"
                                      Padding="{TemplateBinding Padding}"
                                      VerticalContentAlignment="{TemplateBinding VerticalContentAlignment}">
                        <VisualStateManager.VisualStateGroups>
                            <VisualStateGroup x:Name="CommonStates">
                                <VisualState x:Name="Normal">
                                    <Storyboard>
                                        <PointerUpThemeAnimation Storyboard.TargetName="ContentPresenter" />
                                    </Storyboard>
                                </VisualState>
                                <VisualState x:Name="Pressed"/>
                                <VisualState x:Name="PointerOver">
                                    <Storyboard>
                                        <ObjectAnimationUsingKeyFrames Storyboard.TargetName="ContentPresenter"
                                                                       Storyboard.TargetProperty="Background">
                                            <DiscreteObjectKeyFrame KeyTime="0" 
                                                                    Value="{StaticResource IconHoverColor}" />
                                        </ObjectAnimationUsingKeyFrames>
                                        <ObjectAnimationUsingKeyFrames Storyboard.TargetName="ContentPresenter"
                                                               Storyboard.TargetProperty="Foreground">
                                            <DiscreteObjectKeyFrame KeyTime="0"
                                                            Value="{StaticResource IconHoverTextColor}" />
                                        </ObjectAnimationUsingKeyFrames>
                                        <PointerUpThemeAnimation Storyboard.TargetName="ContentPresenter" />
                                    </Storyboard>
                                </VisualState>
                                <VisualState x:Name="Disabled">
                                    <Storyboard>
                                        <ObjectAnimationUsingKeyFrames Storyboard.TargetName="ContentPresenter"
                                                                       Storyboard.TargetProperty="Background">
                                            <DiscreteObjectKeyFrame KeyTime="0"
                                                                    Value="{StaticResource SignInDisableStateColor}" />
                                        </ObjectAnimationUsingKeyFrames>
                                    </Storyboard>
                                </VisualState>
                            </VisualStateGroup>
                            <VisualStateGroup x:Name="FocusStates">
                                <VisualState x:Name="Focused">
                                    <Storyboard>
                                        <ObjectAnimationUsingKeyFrames Storyboard.TargetName="ContentPresenter" 
                                                                       Storyboard.TargetProperty="Foreground">
                                            <DiscreteObjectKeyFrame KeyTime="0" 
                                                                    Value="{StaticResource IconHoverColor}" />
                                        </ObjectAnimationUsingKeyFrames>
                                    </Storyboard>
                                </VisualState>
                                <VisualState x:Name="PointerFocused">
                                    <Storyboard>
                                        <ObjectAnimationUsingKeyFrames Storyboard.TargetName="ContentPresenter" 
                                                                       Storyboard.TargetProperty="Foreground">
                                            <DiscreteObjectKeyFrame KeyTime="0" 
                                                                    Value="{StaticResource IconHoverColor}" />
                                        </ObjectAnimationUsingKeyFrames>
                                    </Storyboard>
                                </VisualState>
                                <VisualState x:Name="Unfocused" />
                            </VisualStateGroup>
                        </VisualStateManager.VisualStateGroups>
                    </ContentPresenter>
                </ControlTemplate>
            </Setter.Value>
        </Setter>
    </Style>

Answer 1

After click I want the color to remain applied until another button is clicked, then the text in the new button clicked will change color and the previous button clicked will go back to the default color.

The focus state of the button works when the focus state is triggered from keyboard input. You could set the button's focus state in the code-behind to check if the VisualState works.

Like this:

MyButton.Focus(FocusState.Keyboard);

So want you need to do is put this line of code in the click event of the button.