WPF 样式的一个问题

2020-07-08 02:12:47 369 阅读 AI 写同款 · GEO 优化AI 选题数据监测一键分发 ›

默认的WPF样式在哪里我们使用WPF的控件时，.NET framework会为我们提供一些默认的样式一开始我们会认为这个是依赖属性的默认值。但是实际上并非如此我们可以通过以下方法看下默认Button的Template属性 Control.TemplateProperty.GetMetadata(typeof(Button)).DefaultValue 我们神奇的发现，返回值是null 那么不是依赖属性的默认值就... 阅读详情

无法将类型为“MS.Internal.NamedObject”的对象强制转换为类型“System.Windows.FrameworkTemplate”。
在 System.Windows.Markup.WpfXamlLoader.Load(XamlReader xamlReader, IXamlObjectWriterFactory writerFactory, Boolean skipJournaledProperties, Object rootObject, XamlObjectWriterSettings settings, Uri baseUri)
问题应该是出现在
<Setter Property="Template" Value="{StaticResource WindowControlTemplate}"></Setter>
Template某一个属性值不对麻烦帮忙看一下



<Style x:Key="ChildWinStyle" TargetType="{x:Type Window}">

        <Setter Property="OverridesDefaultStyle" Value="True"></Setter>

        <Setter Property="ResizeMode" Value="CanResizeWithGrip"></Setter>

        <Setter Property="SnapsToDevicePixels" Value="true"/>

        <Setter Property="FontFamily" Value="Arial"></Setter>

        <Setter Property="Window.BorderBrush" Value="#FF4C95BA"></Setter>

        <Setter Property="Window.BorderThickness" Value="0"></Setter>

        <Setter Property="Template" Value="{StaticResource WindowControlTemplate}"></Setter>

        <!--Set Label and GroupBox foreground color-->

        <Style.Resources>

            <Style TargetType="{x:Type Label}" >

                <Setter Property="Foreground" Value="{DynamicResource FontForeground}"></Setter>

                <Setter Property="VerticalContentAlignment" Value="Center"></Setter>

            </Style>

            <Style x:Key="lbBaseStyle" TargetType="{x:Type Label}">

                <Setter Property="Height" Value="22"></Setter>

            </Style>

            <Style x:Key="tabControlStyle">

                <Style.Resources>

                    <Style TargetType="{x:Type Label}" >

                        <Setter Property="Foreground" Value="#000000"></Setter>

                        <Setter Property="VerticalContentAlignment" Value="Center"></Setter>

                    </Style>

                </Style.Resources>

            </Style>

        </Style.Resources>

    </Style>

    <ControlTemplate x:Key="WindowControlTemplate" TargetType="{x:Type Window}" >

        <Border x:Name="WinControlTpl_Border" Width="{TemplateBinding Width}" Height="{TemplateBinding Height}" BorderBrush="#FF4C95BA" BorderThickness="1" Background="White" CornerRadius="4" Padding="1">

            <Border.RenderTransform>

                <TransformGroup>

                    <ScaleTransform CenterX="400" CenterY="300" />

                    <SkewTransform/>

                    <RotateTransform/>

                    <TranslateTransform/>

                </TransformGroup>

            </Border.RenderTransform>

            <Grid Background="{StaticResource WindowBackground}">

                <AdornerDecorator>

                    <ContentPresenter/>

                </AdornerDecorator>

                <ResizeGrip x:Name="WindowResizeGrip" HorizontalAlignment="Right" VerticalAlignment="Bottom" />

            </Grid>

        </Border>

        <ControlTemplate.Resources>

            <Storyboard x:Key="OnLoaded1">

                <DoubleAnimationUsingKeyFrames BeginTime="00:00:00" Storyboard.TargetName="WinControlTpl_Border" Storyboard.TargetProperty="(UIElement.Opacity)">

                    <SplineDoubleKeyFrame KeyTime="00:00:00" Value="0.0"/>

                    <SplineDoubleKeyFrame KeyTime="00:00:00.3000000" Value="1"/>

                </DoubleAnimationUsingKeyFrames>

                <DoubleAnimationUsingKeyFrames BeginTime="00:00:00" Storyboard.TargetName="WinControlTpl_Border" Storyboard.TargetProperty="(UIElement.RenderTransform).(TransformGroup.Children)[0].(ScaleTransform.ScaleX)">

                    <SplineDoubleKeyFrame KeyTime="00:00:00" Value="0.5"/>

                    <SplineDoubleKeyFrame KeyTime="00:00:00.1500000" Value="1"/>

                </DoubleAnimationUsingKeyFrames>

                <DoubleAnimationUsingKeyFrames BeginTime="00:00:00" Storyboard.TargetName="WinControlTpl_Border" Storyboard.TargetProperty="(UIElement.RenderTransform).(TransformGroup.Children)[0].(ScaleTransform.ScaleY)">

                    <SplineDoubleKeyFrame KeyTime="00:00:00" Value="0.5"/>

                    <SplineDoubleKeyFrame KeyTime="00:00:00.1500000" Value="1"/>

                </DoubleAnimationUsingKeyFrames>

            </Storyboard>

        </ControlTemplate.Resources>

        <ControlTemplate.Triggers>

            <Trigger Property="ResizeMode" Value="CanResizeWithGrip">

                <Setter TargetName="WindowResizeGrip" Property="Visibility" Value="Visible"/>

            </Trigger>

            <EventTrigger RoutedEvent="FrameworkElement.Loaded">

                <BeginStoryboard Storyboard="{StaticResource OnLoaded1}"/>

            </EventTrigger>

        </ControlTemplate.Triggers>

    </ControlTemplate>

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WPF 样式的一个问题

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