WPF樣式設計文本框工具提示

我想為用于驗證的文本框的工具提示設定樣式。我試圖在沒有成功的情況下獲得圓角工具提示。我如何從 ResourceDictionary 獲得它？

使用下面的代碼，我得到了帶有矩形邊框的關于驗證錯誤的工具提示文本。這是我的代碼：

<ResourceDictionary>
    <!-- Textbox with validation capabilities -->
    <Style x:Key="ValidableTextBox" TargetType="TextBox">
        <Style.Resources>
            <Style x:Key="ToolTip" TargetType="ToolTip">
                <Setter Property="OverridesDefaultStyle" Value="true" />
                <Setter Property="HasDropShadow" Value="True" />
                <Setter Property="Template">
                    <Setter.Value>
                        <ControlTemplate TargetType="ToolTip">
                            <Border Name="Border" CornerRadius="4" BorderThickness="1" Width="{TemplateBinding Width}" Height="{TemplateBinding Height}">
                                <ContentPresenter />
                            </Border>
                        </ControlTemplate>
                    </Setter.Value>
                </Setter>
            </Style>
        </Style.Resources>
        <Setter Property="Height" Value="22"/>
        <Setter Property="VerticalContentAlignment" Value="Center"/>
        <Setter Property="VerticalAlignment" Value="Center"/>
        <Style.Triggers>
            <Trigger Property="Validation.HasError" Value="true">
                <Setter Property="ToolTip" Value="{Binding RelativeSource={RelativeSource Self}, Path=(Validation.Errors)[0].ErrorContent}"/>
            </Trigger>
        </Style.Triggers>
    </Style>
</ResourceDictionary>

uj5u.com熱心網友回復：

我剛剛意識到 BorderBrush 屬性丟失了，感謝 Muhammad 讓它作業（洗掉 x:Key="ToolTip"），這里是更新的代碼：

<ResourceDictionary>
    <!-- Textbox with validation capabilities -->
    <Style x:Key="ValidableTextBox" TargetType="TextBox">
        <Style.Resources>
            <Style TargetType="ToolTip">
                <Setter Property="OverridesDefaultStyle" Value="true" />
                <Setter Property="HasDropShadow" Value="True" />
                <Setter Property="Template">
                    <Setter.Value>
                        <ControlTemplate TargetType="ToolTip">
                            <Border Name="Border" CornerRadius="4" BorderThickness="1" BorderBrush="Red" Width="{TemplateBinding Width}" Height="{TemplateBinding Height}">
                                <ContentPresenter />
                            </Border>
                        </ControlTemplate>
                    </Setter.Value>
                </Setter>
            </Style>
        </Style.Resources>
        <Setter Property="Height" Value="22"/>
        <Setter Property="VerticalContentAlignment" Value="Center"/>
        <Setter Property="VerticalAlignment" Value="Center"/>
        <Style.Triggers>
            <Trigger Property="Validation.HasError" Value="true">
                <Setter Property="ToolTip" Value="{Binding RelativeSource={RelativeSource Self}, Path=(Validation.Errors)[0].ErrorContent}"/>
            </Trigger>
        </Style.Triggers>
    </Style>
</ResourceDictionary>

標籤：wpf 验证 工具提示 资源字典 wpf 风格

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