堆棧內存溢出
  簡體   English   中英

如何更改 DatePicker 內部文本框的背景顏色

[英]How to Change BackgroundColor of DatePicker's inner Textbox

 原文  2017-11-10 10:16:51  6   3    c#/ wpf/ datepicker

問題描述

我想要做的是從DatePicker內的TextBox更改Background 。

我試圖通過添加<Style TargetType="{x:Type DatePickerTextBox}"來讓它工作，但沒有成功，因為我已經有其他<Style> 。

這是我的<DatePicker> ：

                    <DatePicker Grid.Column="1" Grid.Row="0"
                                VerticalContentAlignment="Center" MinHeight="20">
                       <DatePicker.SelectedDate>
                            <Binding Path="ViewModel.Value" UpdateSourceTrigger="PropertyChanged" 
                                     RelativeSource="{RelativeSource TemplatedParent}"/>
                        </DatePicker.SelectedDate>

                        <DatePicker.Style>
                            <Style TargetType="{x:Type DatePicker}">
                                <Setter Property="Background" Value="White"/>
                                <Style.Triggers>
                                    <DataTrigger Binding="{Binding RelativeSource={RelativeSource TemplatedParent}, 
                                        Path=ViewModel.IsDirty}" Value="true">
                                        <Setter Property="Background" Value="LightYellow"/>
                                    </DataTrigger>
                                    <DataTrigger Binding="{Binding RelativeSource={RelativeSource TemplatedParent}, 
                                        Path=ViewModel.IsInvalid}" Value="true">
                                        <Setter Property="BorderBrush" Value="Red"/>
                                    </DataTrigger>
                                </Style.Triggers>
                            </Style>
                        </DatePicker.Style>
                    </DatePicker>

因此，當觸發IsDirty時， Background LightYellow但內部TextBox Background仍然是White 。

我該如何更改此Background ？

3 個解決方案

解決方案1
 2 已采納  2017-11-10 14:32:40

您需要定義自己的自定義ControlTemplate ：

<DatePicker>
    <DatePicker.Template>
        <ControlTemplate>
            <Border BorderBrush="{TemplateBinding BorderBrush}" BorderThickness="{TemplateBinding BorderThickness}" Background="{TemplateBinding Background}" Padding="{TemplateBinding Padding}">
                <VisualStateManager.VisualStateGroups>
                    <VisualStateGroup x:Name="CommonStates">
                        <VisualState x:Name="Normal"/>
                        <VisualState x:Name="Disabled">
                            <Storyboard>
                                <DoubleAnimation Duration="0" To="1" Storyboard.TargetProperty="Opacity" Storyboard.TargetName="PART_DisabledVisual"/>
                            </Storyboard>
                        </VisualState>
                    </VisualStateGroup>
                </VisualStateManager.VisualStateGroups>
                <Grid x:Name="PART_Root" HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}" VerticalAlignment="{TemplateBinding VerticalContentAlignment}">
                    <Grid.Resources>
                        <SolidColorBrush x:Key="DisabledBrush" Color="#A5FFFFFF"/>
                        <ControlTemplate x:Key="DropDownButtonTemplate" TargetType="{x:Type Button}">
                            <Grid>
                                <VisualStateManager.VisualStateGroups>
                                    <VisualStateGroup x:Name="CommonStates">
                                        <VisualStateGroup.Transitions>
                                            <VisualTransition GeneratedDuration="0"/>
                                            <VisualTransition GeneratedDuration="0:0:0.1" To="MouseOver"/>
                                            <VisualTransition GeneratedDuration="0:0:0.1" To="Pressed"/>
                                        </VisualStateGroup.Transitions>
                                        <VisualState x:Name="Normal"/>
                                        <VisualState x:Name="MouseOver">
                                            <Storyboard>
                                                <ColorAnimation Duration="0" To="#FF448DCA" Storyboard.TargetProperty="(Border.Background).(SolidColorBrush.Color)" Storyboard.TargetName="Background"/>
                                                <ColorAnimationUsingKeyFrames BeginTime="0" Duration="00:00:00.001" Storyboard.TargetProperty="(Border.Background).(GradientBrush.GradientStops)[3].(GradientStop.Color)" Storyboard.TargetName="BackgroundGradient">
                                                    <SplineColorKeyFrame KeyTime="0" Value="#7FFFFFFF"/>
                                                </ColorAnimationUsingKeyFrames>
                                                <ColorAnimationUsingKeyFrames BeginTime="0" Duration="00:00:00.001" Storyboard.TargetProperty="(Border.Background).(GradientBrush.GradientStops)[2].(GradientStop.Color)" Storyboard.TargetName="BackgroundGradient">
                                                    <SplineColorKeyFrame KeyTime="0" Value="#CCFFFFFF"/>
                                                </ColorAnimationUsingKeyFrames>
                                                <ColorAnimationUsingKeyFrames BeginTime="0" Duration="00:00:00.001" Storyboard.TargetProperty="(Border.Background).(GradientBrush.GradientStops)[1].(GradientStop.Color)" Storyboard.TargetName="BackgroundGradient">
                                                    <SplineColorKeyFrame KeyTime="0" Value="#F2FFFFFF"/>
                                                </ColorAnimationUsingKeyFrames>
                                            </Storyboard>
                                        </VisualState>
                                        <VisualState x:Name="Pressed">
                                            <Storyboard>
                                                <ColorAnimationUsingKeyFrames BeginTime="0" Duration="00:00:00.001" Storyboard.TargetProperty="(Border.Background).(SolidColorBrush.Color)" Storyboard.TargetName="Background">
                                                    <SplineColorKeyFrame KeyTime="0" Value="#FF448DCA"/>
                                                </ColorAnimationUsingKeyFrames>
                                                <DoubleAnimationUsingKeyFrames BeginTime="0" Duration="00:00:00.001" Storyboard.TargetProperty="(UIElement.Opacity)" Storyboard.TargetName="Highlight">
                                                    <SplineDoubleKeyFrame KeyTime="0" Value="1"/>
                                                </DoubleAnimationUsingKeyFrames>
                                                <ColorAnimationUsingKeyFrames BeginTime="0" Duration="00:00:00.001" Storyboard.TargetProperty="(Border.Background).(GradientBrush.GradientStops)[1].(GradientStop.Color)" Storyboard.TargetName="BackgroundGradient">
                                                    <SplineColorKeyFrame KeyTime="0" Value="#EAFFFFFF"/>
                                                </ColorAnimationUsingKeyFrames>
                                                <ColorAnimationUsingKeyFrames BeginTime="0" Duration="00:00:00.001" Storyboard.TargetProperty="(Border.Background).(GradientBrush.GradientStops)[2].(GradientStop.Color)" Storyboard.TargetName="BackgroundGradient">
                                                    <SplineColorKeyFrame KeyTime="0" Value="#C6FFFFFF"/>
                                                </ColorAnimationUsingKeyFrames>
                                                <ColorAnimationUsingKeyFrames BeginTime="0" Duration="00:00:00.001" Storyboard.TargetProperty="(Border.Background).(GradientBrush.GradientStops)[3].(GradientStop.Color)" Storyboard.TargetName="BackgroundGradient">
                                                    <SplineColorKeyFrame KeyTime="0" Value="#6BFFFFFF"/>
                                                </ColorAnimationUsingKeyFrames>
                                                <ColorAnimationUsingKeyFrames BeginTime="0" Duration="00:00:00.001" Storyboard.TargetProperty="(Border.Background).(GradientBrush.GradientStops)[0].(GradientStop.Color)" Storyboard.TargetName="BackgroundGradient">
                                                    <SplineColorKeyFrame KeyTime="0" Value="#F4FFFFFF"/>
                                                </ColorAnimationUsingKeyFrames>
                                            </Storyboard>
                                        </VisualState>
                                        <VisualState x:Name="Disabled"/>
                                    </VisualStateGroup>
                                </VisualStateManager.VisualStateGroups>
                                <Grid Background="#11FFFFFF" FlowDirection="LeftToRight" HorizontalAlignment="Center" Height="18" Margin="0" VerticalAlignment="Center" Width="19">
                                    <Grid.ColumnDefinitions>
                                        <ColumnDefinition Width="20*"/>
                                        <ColumnDefinition Width="20*"/>
                                        <ColumnDefinition Width="20*"/>
                                        <ColumnDefinition Width="20*"/>
                                    </Grid.ColumnDefinitions>
                                    <Grid.RowDefinitions>
                                        <RowDefinition Height="23*"/>
                                        <RowDefinition Height="19*"/>
                                        <RowDefinition Height="19*"/>
                                        <RowDefinition Height="19*"/>
                                    </Grid.RowDefinitions>
                                    <Border x:Name="Highlight" BorderBrush="#FF45D6FA" BorderThickness="1" Grid.ColumnSpan="4" CornerRadius="0,0,1,1" Margin="-1" Opacity="0" Grid.Row="0" Grid.RowSpan="4"/>
                                    <Border x:Name="Background" BorderBrush="#FFFFFFFF" BorderThickness="1" Background="#FF1F3B53" Grid.ColumnSpan="4" CornerRadius=".5" Margin="0,-1,0,0" Opacity="1" Grid.Row="1" Grid.RowSpan="3"/>
                                    <Border x:Name="BackgroundGradient" BorderBrush="#BF000000" BorderThickness="1" Grid.ColumnSpan="4" CornerRadius=".5" Margin="0,-1,0,0" Opacity="1" Grid.Row="1" Grid.RowSpan="3">
                                        <Border.Background>
                                            <LinearGradientBrush EndPoint=".7,1" StartPoint=".7,0">
                                                <GradientStop Color="#FFFFFFFF" Offset="0"/>
                                                <GradientStop Color="#F9FFFFFF" Offset="0.375"/>
                                                <GradientStop Color="#E5FFFFFF" Offset="0.625"/>
                                                <GradientStop Color="#C6FFFFFF" Offset="1"/>
                                            </LinearGradientBrush>
                                        </Border.Background>
                                    </Border>
                                    <Rectangle Grid.ColumnSpan="4" Grid.RowSpan="1" StrokeThickness="1">
                                        <Rectangle.Fill>
                                            <LinearGradientBrush EndPoint="0.3,-1.1" StartPoint="0.46,1.6">
                                                <GradientStop Color="#FF4084BD"/>
                                                <GradientStop Color="#FFAFCFEA" Offset="1"/>
                                            </LinearGradientBrush>
                                        </Rectangle.Fill>
                                        <Rectangle.Stroke>
                                            <LinearGradientBrush EndPoint="0.48,-1" StartPoint="0.48,1.25">
                                                <GradientStop Color="#FF494949"/>
                                                <GradientStop Color="#FF9F9F9F" Offset="1"/>
                                            </LinearGradientBrush>
                                        </Rectangle.Stroke>
                                    </Rectangle>
                                    <Path Grid.ColumnSpan="4" Grid.Column="0" Data="M11.426758,8.4305077 L11.749023,8.4305077 L11.749023,16.331387 L10.674805,16.331387 L10.674805,10.299648 L9.0742188,11.298672 L9.0742188,10.294277 C9.4788408,10.090176 9.9094238,9.8090878 10.365967,9.4510155 C10.82251,9.0929432 11.176106,8.7527733 11.426758,8.4305077 z M14.65086,8.4305077 L18.566387,8.4305077 L18.566387,9.3435936 L15.671368,9.3435936 L15.671368,11.255703 C15.936341,11.058764 16.27293,10.960293 16.681133,10.960293 C17.411602,10.960293 17.969301,11.178717 18.354229,11.615566 C18.739157,12.052416 18.931622,12.673672 18.931622,13.479336 C18.931622,15.452317 18.052553,16.438808 16.294415,16.438808 C15.560365,16.438808 14.951641,16.234707 14.468243,15.826504 L14.881817,14.929531 C15.368796,15.326992 15.837872,15.525723 16.289043,15.525723 C17.298809,15.525723 17.803692,14.895514 17.803692,13.635098 C17.803692,12.460618 17.305971,11.873379 16.310528,11.873379 C15.83071,11.873379 15.399232,12.079271 15.016094,12.491055 L14.65086,12.238613 z" Fill="#FF2F2F2F" HorizontalAlignment="Center" Margin="4,3,4,3" Grid.Row="1" Grid.RowSpan="3" RenderTransformOrigin="0.5,0.5" Stretch="Fill" VerticalAlignment="Center"/>
                                    <Ellipse Grid.ColumnSpan="4" Fill="#FFFFFFFF" HorizontalAlignment="Center" Height="3" StrokeThickness="0" VerticalAlignment="Center" Width="3"/>
                                    <Border x:Name="DisabledVisual" BorderBrush="#B2FFFFFF" BorderThickness="1" Grid.ColumnSpan="4" CornerRadius="0,0,.5,.5" Opacity="0" Grid.Row="0" Grid.RowSpan="4"/>
                                </Grid>
                            </Grid>
                        </ControlTemplate>
                    </Grid.Resources>
                    <Grid.ColumnDefinitions>
                        <ColumnDefinition Width="*"/>
                        <ColumnDefinition Width="Auto"/>
                    </Grid.ColumnDefinitions>
                    <Button x:Name="PART_Button" Grid.Column="1" Foreground="{TemplateBinding Foreground}" Focusable="False" HorizontalAlignment="Left" Margin="3,0,3,0" Grid.Row="0" Template="{StaticResource DropDownButtonTemplate}" VerticalAlignment="Top" Width="20"/>
                    <DatePickerTextBox x:Name="PART_TextBox" Grid.Column="0" 
                                               Focusable="{TemplateBinding Focusable}" 
                                               HorizontalContentAlignment="Stretch" 
                                               Grid.Row="0" VerticalContentAlignment="Stretch">
                        <DatePickerTextBox.Template>
                            <ControlTemplate TargetType="DatePickerTextBox">
                                <Border x:Name="Border" BorderBrush="{TemplateBinding BorderBrush}" BorderThickness="{TemplateBinding BorderThickness}" Background="{TemplateBinding Background}" CornerRadius="1" Opacity="1" Padding="{TemplateBinding Padding}">
                                    <Grid x:Name="WatermarkContent" HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}" VerticalAlignment="{TemplateBinding VerticalContentAlignment}">
                                        <Border x:Name="ContentElement" BorderBrush="#FFFFFFFF" BorderThickness="1"/>
                                        <Border x:Name="watermark_decorator" BorderBrush="#FFFFFFFF" BorderThickness="1">
                                            <ContentControl x:Name="PART_Watermark" Focusable="False" IsHitTestVisible="False" Opacity="0" Padding="2"/>
                                        </Border>
                                        <ScrollViewer x:Name="PART_ContentHost" Background="{TemplateBinding Background}" HorizontalContentAlignment="{TemplateBinding HorizontalContentAlignment}" Margin="0" VerticalContentAlignment="{TemplateBinding VerticalContentAlignment}"/>
                                        <Border x:Name="FocusVisual" BorderBrush="#FF45D6FA" CornerRadius="1" IsHitTestVisible="False" Opacity="0"/>
                                    </Grid>
                                </Border>
                            </ControlTemplate>
                        </DatePickerTextBox.Template>
                    </DatePickerTextBox>
                    <Grid x:Name="PART_DisabledVisual" Grid.ColumnSpan="2" Grid.Column="0" IsHitTestVisible="False" Opacity="0" Grid.Row="0">
                        <Grid.ColumnDefinitions>
                            <ColumnDefinition Width="*"/>
                            <ColumnDefinition Width="Auto"/>
                        </Grid.ColumnDefinitions>
                        <Rectangle Grid.Column="0" Fill="#A5FFFFFF" RadiusY="1" Grid.Row="0" RadiusX="1"/>
                        <Rectangle Grid.Column="1" Fill="#A5FFFFFF" Height="18" Margin="3,0,3,0" RadiusY="1" Grid.Row="0" RadiusX="1" Width="19"/>
                        <Popup x:Name="PART_Popup" AllowsTransparency="True" Placement="Bottom" PlacementTarget="{Binding ElementName=PART_TextBox}" StaysOpen="False"/>
                    </Grid>
                </Grid>
            </Border>
            <ControlTemplate.Triggers>
                <DataTrigger Binding="{Binding Source={x:Static SystemParameters.HighContrast}}" Value="false">
                    <Setter Property="Foreground" TargetName="PART_TextBox" Value="{Binding Foreground, RelativeSource={RelativeSource TemplatedParent}}"/>
                </DataTrigger>
                <DataTrigger Binding="{Binding RelativeSource={RelativeSource TemplatedParent}, 
                             Path=ViewModel.IsDirty}" Value="true">
                    <Setter Property="Background" Value="LightYellow"/>
                    <Setter TargetName="PART_TextBox" Property="Background" Value="LightYellow" />
                </DataTrigger>
                <DataTrigger Binding="{Binding RelativeSource={RelativeSource TemplatedParent}, 
                             Path=ViewModel.IsInvalid}" Value="true">
                    <Setter Property="BorderBrush" Value="Red"/>
                </DataTrigger>
            </ControlTemplate.Triggers>
        </ControlTemplate>
    </DatePicker.Template>
</DatePicker>

解決方案2
 1  2017-11-10 11:10:51

在您的Style ，只需添加所需的DatePickerTextBox樣式作為資源：

<Style TargetType="{x:Type DatePicker}">
    <Style.Resources>
        <Style TargetType="DatePickerTextBox">
            <Setter Property="Background" Value="Transparent"/>
        </Style>
    </Style.Resources>
    <Setter Property="Background" Value="White"/>
    <Style.Triggers>
        <!-- your triggers here -->
    </Style.Triggers>
</Style>

解決方案3
 0  2021-04-11 06:43:16

可以定期設置背景，設置DatePicker的樣式，設置<LinearGradientBrush>或<SolidColorBrush>等屬性

（改進了dymanoid的回答）

<DatePicker FontSize="22" 
            Text="{Binding Date, Mode=TwoWay,UpdateSourceTrigger=PropertyChanged}" 
            Margin="5 0">
            <DatePicker.Background>
                <SolidColorBrush Color="White" Opacity="0.35"/>
            </DatePicker.Background>
            <DatePicker.Style>
                <Style TargetType="{x:Type DatePicker}">
                    <Style.Resources>
                        <Style TargetType="DatePickerTextBox">
                            <Setter Property="Background">
                                <Setter.Value>
                                    <SolidColorBrush Color="White" Opacity="0"/>
                                </Setter.Value>
                            </Setter>
                        </Style>
                    </Style.Resources>
                </Style>
           </DatePicker.Style>
</DatePicker>

暫無
暫無

聲明:本站的技術帖子網頁，遵循CC BY-SA 4.0協議，如果您需要轉載，請注明本站網址或者原文地址。任何問題請咨詢:yoyou2525@163.com.

相關問題 更改 WPF DatePicker 文本框的外觀 如何將背景顏色更改為 ListView 中的項目？ 如何動態更改BackgroundColor的資源？ 如何更改WPF DatePicker水印的FontSize（以及顯示日期的文本框）？ 如何使用 OnPlatform Xamarin 更改背景顏色 如何使用 Xamarin 中的開關更改頁面背景顏色 Datagrid-如何更改前三行backgroundcolor 如何更改TextBox的背景顏色？ 在Modelpopup文本框中更改Datepicker的位置 如何更改datepicker的選定日期文本顏色（白色）
相關標簽
 
粵ICP備18138465號  © 2020-2024 STACKOOM.COM