UWP TextBox私人定制

Posted 猫叔Vincent的后花园

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这次私人定制的是背景透明的TextBox，普通的TextBox在获取焦点后，背景色就变白色了。

下面的代码可以让TextBox的背景始终是透明的。

 

其实很简单，就修改了

<Setter Property="Background" Value="{ThemeResource SystemControlBackgroundAltHighBrush}" />
改为
<Setter Property="Background" Value="Transparent" />
<VisualState x:Name="Focused">下面的
<ObjectAnimationUsingKeyFrames Storyboard.TargetName="BackgroundElement"
                                               Storyboard.TargetProperty="Background">
                                            <DiscreteObjectKeyFrame KeyTime="0" Value="Transparent" />
                                        </ObjectAnimationUsingKeyFrames>

 

看效果：

 

 

 

    <Style x:Key="TransparentBackgroundTextBoxStyle" TargetType="TextBox">
        <Setter Property="MinWidth" Value="{ThemeResource TextControlThemeMinWidth}" />
        <Setter Property="MinHeight" Value="{ThemeResource TextControlThemeMinHeight}" />
        <Setter Property="Foreground" Value="{ThemeResource SystemControlForegroundBaseHighBrush}" />
        <Setter Property="Background" Value="Transparent" />
        <!--<Setter Property="Background" Value="{ThemeResource SystemControlBackgroundAltHighBrush}" />-->
        <Setter Property="BorderBrush" Value="{ThemeResource SystemControlForegroundChromeDisabledLowBrush}" />
        <Setter Property="SelectionHighlightColor" Value="{ThemeResource SystemControlHighlightAccentBrush}" />
        <Setter Property="BorderThickness" Value="{ThemeResource TextControlBorderThemeThickness}" />
        <Setter Property="FontFamily" Value="{ThemeResource ContentControlThemeFontFamily}" />
        <Setter Property="FontSize" Value="{ThemeResource ControlContentThemeFontSize}" />
        <Setter Property="ScrollViewer.HorizontalScrollMode" Value="Auto" />
        <Setter Property="ScrollViewer.VerticalScrollMode" Value="Auto" />
        <Setter Property="ScrollViewer.HorizontalScrollBarVisibility" Value="Hidden" />
        <Setter Property="ScrollViewer.VerticalScrollBarVisibility" Value="Hidden" />
        <Setter Property="ScrollViewer.IsDeferredScrollingEnabled" Value="False" />
        <Setter Property="Padding" Value="{ThemeResource TextControlThemePadding}"/>
        <Setter Property="Template">
            <Setter.Value>
                <ControlTemplate TargetType="TextBox">
                    <Grid>
                        <Grid.Resources>
                            <Style x:Name="DeleteButtonStyle" TargetType="Button">
                                <Setter Property="Template">
                                    <Setter.Value>
                                        <ControlTemplate TargetType="Button">
                                            <Grid x:Name="ButtonLayoutGrid" BorderBrush="{ThemeResource TextBoxButtonBorderThemeBrush}"
                                                  BorderThickness="{TemplateBinding BorderThickness}"
                                                  Background="{ThemeResource TextBoxButtonBackgroundThemeBrush}">
                                                <VisualStateManager.VisualStateGroups>
                                                    <VisualStateGroup x:Name="CommonStates">
                                                        <VisualState x:Name="Normal" />
                                                        <VisualState x:Name="PointerOver">
                                                            <Storyboard>
                                                                <ObjectAnimationUsingKeyFrames Storyboard.TargetName="GlyphElement"
                                                           Storyboard.TargetProperty="Foreground">
                                                                    <DiscreteObjectKeyFrame KeyTime="0" Value="{ThemeResource SystemControlHighlightAccentBrush}" />
                                                                </ObjectAnimationUsingKeyFrames>
                                                            </Storyboard>
                                                        </VisualState>
                                                        <VisualState x:Name="Pressed">
                                                            <Storyboard>
                                                                <ObjectAnimationUsingKeyFrames Storyboard.TargetName="ButtonLayoutGrid"
                                                           Storyboard.TargetProperty="Background">
                                                                    <DiscreteObjectKeyFrame KeyTime="0" Value="{ThemeResource SystemControlHighlightAccentBrush}" />
                                                                </ObjectAnimationUsingKeyFrames>
                                                                <ObjectAnimationUsingKeyFrames Storyboard.TargetName="GlyphElement"
                                                           Storyboard.TargetProperty="Foreground">
                                                                    <DiscreteObjectKeyFrame KeyTime="0" Value="{ThemeResource SystemControlHighlightAltChromeWhiteBrush}" />
                                                                </ObjectAnimationUsingKeyFrames>
                                                            </Storyboard>
                                                        </VisualState>
                                                        <VisualState x:Name="Disabled">
                                                            <Storyboard>
                                                                <DoubleAnimation Storyboard.TargetName="ButtonLayoutGrid"
                                             Storyboard.TargetProperty="Opacity"
                                             To="0"
                                             Duration="0" />
                                                            </Storyboard>
                                                        </VisualState>
                                                    </VisualStateGroup>
                                                </VisualStateManager.VisualStateGroups>
                                                <TextBlock x:Name="GlyphElement"
                                Foreground="{ThemeResource SystemControlForegroundChromeBlackMediumBrush}"
                                VerticalAlignment="Center"
                                HorizontalAlignment="Center"
                                FontStyle="Normal"
                                FontSize="12"
                                Text="&#xE10A;"
                                FontFamily="{ThemeResource SymbolThemeFontFamily}"
                                AutomationProperties.AccessibilityView="Raw"/>
                                            </Grid>
                                        </ControlTemplate>
                                    </Setter.Value>
                                </Setter>
                            </Style>
                        </Grid.Resources>
                        <VisualStateManager.VisualStateGroups>
                            <VisualStateGroup x:Name="CommonStates">
                                <VisualState x:Name="Disabled">
                                    <Storyboard>
                                        <ObjectAnimationUsingKeyFrames Storyboard.TargetName="HeaderContentPresenter"
                                                 Storyboard.TargetProperty="Foreground">
                                            <DiscreteObjectKeyFrame KeyTime="0" Value="{ThemeResource SystemControlDisabledBaseMediumLowBrush}" />
                                        </ObjectAnimationUsingKeyFrames>
                                        <ObjectAnimationUsingKeyFrames Storyboard.TargetName="BackgroundElement"
                                               Storyboard.TargetProperty="Background">
                                            <DiscreteObjectKeyFrame KeyTime="0" Value="{ThemeResource SystemControlDisabledTransparentBrush}" />
                                        </ObjectAnimationUsingKeyFrames>
                                        <ObjectAnimationUsingKeyFrames Storyboard.TargetName="BorderElement"
                                               Storyboard.TargetProperty="Background">
                                            <DiscreteObjectKeyFrame KeyTime="0" Value="{ThemeResource SystemControlBackgroundBaseLowBrush}" />
                                        </ObjectAnimationUsingKeyFrames>
                                        <ObjectAnimationUsingKeyFrames Storyboard.TargetName="BorderElement"
                                               Storyboard.TargetProperty="BorderBrush">
                                            <DiscreteObjectKeyFrame KeyTime="0" Value="{ThemeResource SystemControlDisabledBaseLowBrush}" />
                                        </ObjectAnimationUsingKeyFrames>
                                        <ObjectAnimationUsingKeyFrames Storyboard.TargetName="ContentElement"
                                               Storyboard.TargetProperty="Foreground">
                                            <DiscreteObjectKeyFrame KeyTime="0" Value="{ThemeResource SystemControlDisabledChromeDisabledLowBrush}" />
                                        </ObjectAnimationUsingKeyFrames>
                                        <ObjectAnimationUsingKeyFrames Storyboard.TargetName="PlaceholderTextContentPresenter"
                                               Storyboard.TargetProperty="Foreground">
                                            <DiscreteObjectKeyFrame KeyTime="0" Value="{ThemeResource SystemControlDisabledChromeDisabledLowBrush}" />
                                        </ObjectAnimationUsingKeyFrames>
                                    </Storyboard>
                                </VisualState>
                                <VisualState x:Name="Normal" />
                                <VisualState x:Name="PointerOver">
                                    <Storyboard>
                                        <ObjectAnimationUsingKeyFrames Storyboard.TargetName="BorderElement"
                                               Storyboard.TargetProperty="BorderBrush">
                                            <DiscreteObjectKeyFrame KeyTime="0" Value="{ThemeResource SystemControlHighlightChromeAltLowBrush}" />
                                        </ObjectAnimationUsingKeyFrames>
                                        <ObjectAnimationUsingKeyFrames Storyboard.TargetName="BackgroundElement"
                                               Storyboard.TargetProperty="Opacity">
                                            <DiscreteObjectKeyFrame KeyTime="0" Value="{ThemeResource TextControlBackgroundHoverOpacity}" />
                                        </ObjectAnimationUsingKeyFrames>
                                    </Storyboard>
                                </VisualState>
                                <VisualState x:Name="Focused">
                                    <Storyboard>
                                        <ObjectAnimationUsingKeyFrames Storyboard.TargetName="PlaceholderTextContentPresenter"
                                               Storyboard.TargetProperty="Foreground">
                                            <DiscreteObjectKeyFrame KeyTime="0" Value="{ThemeResource SystemControlPageTextChromeBlackMediumLowBrush}" />
                                        </ObjectAnimationUsingKeyFrames>
                                        <ObjectAnimationUsingKeyFrames Storyboard.TargetName="BackgroundElement"
                                               Storyboard.TargetProperty="Background">
                                            <DiscreteObjectKeyFrame KeyTime="0" Value="Transparent" />
                                        </ObjectAnimationUsingKeyFrames>
                                        <ObjectAnimationUsingKeyFrames Storyboard.TargetName="BackgroundElement"
                                               Storyboard.TargetProperty="Opacity">
                                            <DiscreteObjectKeyFrame KeyTime="0" Value="{ThemeResource TextControlBackgroundFocusedOpacity}" />
                                        </ObjectAnimationUsingKeyFrames>
                                        <ObjectAnimationUsingKeyFrames Storyboard.TargetName="BorderElement"
                                               Storyboard.TargetProperty="BorderBrush">
                                            <DiscreteObjectKeyFrame KeyTime="0" Value="{ThemeResource SystemControlHighlightAccentBrush}" />
                                        </ObjectAnimationUsingKeyFrames>
                                        <ObjectAnimationUsingKeyFrames Storyboard.TargetName="ContentElement"
                                               Storyboard.TargetProperty="Foreground">
                                            <DiscreteObjectKeyFrame KeyTime="0" Value="{ThemeResource SystemControlForegroundChromeBlackHighBrush}" />
                                        </ObjectAnimationUsingKeyFrames>
                                        <ObjectAnimationUsingKeyFrames Storyboard.TargetName="ContentElement"
                                               Storyboard.TargetProperty="RequestedTheme">
                                            <DiscreteObjectKeyFrame KeyTime="0" Value="Light" />
                                        </ObjectAnimationUsingKeyFrames>
                                    </Storyboard>
                                </VisualState>
                            </VisualStateGroup>
                            <VisualStateGroup x:Name="ButtonStates">
                                <VisualState x:Name="ButtonVisible">
                                    <Storyboard>
                                        <ObjectAnimationUsingKeyFrames Storyboard.TargetName="DeleteButton"
                                               Storyboard.TargetProperty="Visibility">
                                            <DiscreteObjectKeyFrame KeyTime="0">
                                                <DiscreteObjectKeyFrame.Value>
                                                    <Visibility>Visible</Visibility>
                                                </DiscreteObjectKeyFrame.Value>
                                            </DiscreteObjectKeyFrame>
                                        </ObjectAnimationUsingKeyFrames>
                                    </Storyboard>
                                </VisualState>
                                <VisualState x:Name="ButtonCollapsed" />
                            </VisualStateGroup>
                        </VisualStateManager.VisualStateGroups>
                        <Grid.ColumnDefinitions>
                            <ColumnDefinition Width="*" />
                            <ColumnDefinition Width="Auto" />
                        </Grid.ColumnDefinitions>
                        <Grid.RowDefinitions>
                            <RowDefinition Height="Auto" />
                            <RowDefinition Height="*" />
                        </Grid.RowDefinitions>
                        <Border x:Name="BackgroundElement"
                Grid.Row="1"
                Background="{TemplateBinding Background}"
                Margin="{TemplateBinding BorderThickness}"
                Opacity="{ThemeResource TextControlBackgroundRestOpacity}"
                Grid.ColumnSpan="2"
                Grid.RowSpan="1"/>
                        <Border x:Name="BorderElement"
                Grid.Row="1"
                BorderBrush="{TemplateBinding BorderBrush}"
                BorderThickness="{TemplateBinding BorderThickness}"
                Grid.ColumnSpan="2"
                Grid.RowSpan="1"/>
                        <ContentPresenter x:Name="HeaderContentPresenter"
                          x:DeferLoadStrategy="Lazy"
                          Visibility="Collapsed"
                          Grid.Row="0"
                          Foreground="{ThemeResource SystemControlForegroundBaseHighBrush}"
                          Margin="0,0,0,8"
                          Grid.ColumnSpan="2"
                          Content="{TemplateBinding Header}"
                          ContentTemplate="{TemplateBinding HeaderTemplate}"
                          FontWeight="Normal" />
                        <ScrollViewer x:Name="ContentElement"
                      Grid.Row="1"
                      HorizontalScrollMode="{TemplateBinding ScrollViewer.HorizontalScrollMode}"
                      HorizontalScrollBarVisibility="{TemplateBinding ScrollViewer.HorizontalScrollBarVisibility}"
                      VerticalScrollMode="{TemplateBinding ScrollViewer.VerticalScrollMode}"
                      VerticalScrollBarVisibility="{TemplateBinding ScrollViewer.VerticalScrollBarVisibility}"
                      IsHorizontalRailEnabled="{TemplateBinding ScrollViewer.IsHorizontalRailEnabled}"
                      IsVerticalRailEnabled="{TemplateBinding ScrollViewer.IsVerticalRailEnabled}"
                      IsDeferredScrollingEnabled="{TemplateBinding ScrollViewer.IsDeferredScrollingEnabled}"
                      Margin="{TemplateBinding BorderThickness}"
                      Padding="{TemplateBinding Padding}"
                      IsTabStop="False"
                      AutomationProperties.AccessibilityView="Raw"
                      ZoomMode="Disabled" />
                        <ContentControl x:Name="PlaceholderTextContentPresenter"
                      Grid.Row="1"
                      Foreground="{ThemeResource SystemControlPageTextBaseMediumBrush}"
                      Margin="{TemplateBinding BorderThickness}"
                      Padding="{TemplateBinding Padding}"
                      IsTabStop="False"
                      Grid.ColumnSpan="2"
                      Content="{TemplateBinding PlaceholderText}"
                      IsHitTestVisible="False"/>
                        <Button x:Name="DeleteButton"
                Grid.Row="1"
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