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我正在使用ModernUI开发 WPF 应用程序。它包含一个名为Link的控件，可用于在页面中导航。它还用于选项卡控件中，用于在多个选项卡上显示页面（每个选项卡都用作链接）。

我的要求是动态生成选项卡，但在每个选项卡中我必须显示相同的内容（相同的用户控件）。

设置链接内容的唯一方法是通过Source接受 Type 对象的属性URI。

假设如果我创建 5 个选项卡（5 个链接）并为每个选项卡设置相同的 URI，则该UserControl对象在选项卡之间共享。（如果我在 1 个选项卡上进行更改，它会反映在所有其他选项卡上）。

我应该如何防止这种情况？有没有办法可以将运行时对象用作 URI？

如果可以使用其他方法来完成，欢迎提出任何建议？

谢谢！！

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2 回答 2

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如果您确实有五个不同的选项卡，则按照​​设计，您应该使用五个不同的来源。如果你想一开始有相同的内容，你应该创建五个不同的Uri类型对象实例，对应五个Links。

除此之外，您还必须确保所有Uris 不指向同一事物。如果他们这样做了，同一件事的变化将反映在所有这些选项卡上。

于 2014-03-24T17:30:06.070 回答
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这是我为自己的事业修改的TabItem 模板。希望对其他人也有帮助......

<ResourceDictionary
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" 
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:mui="http://firstfloorsoftware.com/ModernUI">

<SolidColorBrush x:Key="TabControlNormalBorderBrush" Color="#8C8E94"/>
<LinearGradientBrush x:Key="ButtonNormalBackground" EndPoint="0,1" StartPoint="0,0">
    <GradientStop Color="#F3F3F3" Offset="0"/>
    <GradientStop Color="#EBEBEB" Offset="0.5"/>
    <GradientStop Color="#DDDDDD" Offset="0.5"/>
    <GradientStop Color="#CDCDCD" Offset="1"/>
</LinearGradientBrush>
<LinearGradientBrush x:Key="TabItemHotBackground" EndPoint="0,1" StartPoint="0,0">
    <GradientStop Color="#EAF6FD" Offset="0.15"/>
    <GradientStop Color="#D9F0FC" Offset=".5"/>
    <GradientStop Color="#BEE6FD" Offset=".5"/>
    <GradientStop Color="#A7D9F5" Offset="1"/>
</LinearGradientBrush>
<SolidColorBrush x:Key="TabItemSelectedBackground" Color="#F9F9F9"/>
<SolidColorBrush x:Key="TabItemHotBorderBrush" Color="{DynamicResource AccentColor}" Opacity="0.1"/>
<SolidColorBrush x:Key="TabItemDisabledBackground" Color="#F4F4F4"/>
<SolidColorBrush x:Key="TabItemDisabledBorderBrush" Color="#FFC9C7BA"/>
<Style x:Key="TabItemStyle" TargetType="{x:Type TabItem}">
    <Setter Property="Foreground" Value="Black"/>
    <Setter Property="Padding" Value="6,1,6,1"/>
    <Setter Property="BorderBrush" Value="{StaticResource TabControlNormalBorderBrush}"/>
    <Setter Property="Background" Value="{StaticResource ButtonNormalBackground}"/>
    <Setter Property="HorizontalContentAlignment" Value="Stretch"/>
    <Setter Property="VerticalContentAlignment" Value="Stretch"/>
    <Setter Property="Template">
        <Setter.Value>
            <ControlTemplate TargetType="{x:Type TabItem}">
                <Grid SnapsToDevicePixels="true">
                    <Border x:Name="Bd" BorderBrush="{TemplateBinding BorderBrush}" BorderThickness="0,0,0,0" Margin="5,0,5,0"
                            Background="{TemplateBinding Background}" Padding="{TemplateBinding Padding}">
                        <Grid>
                            <Label x:Name="LblCon" Content="{TemplateBinding Header}" FontSize="18"
                                   SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}" 
                                    HorizontalAlignment="{Binding HorizontalContentAlignment, RelativeSource={RelativeSource AncestorType={x:Type ItemsControl}}}" 
                                    VerticalAlignment="{Binding VerticalContentAlignment, RelativeSource={RelativeSource AncestorType={x:Type ItemsControl}}}"/>
                            <Border x:Name="Overlay" BorderBrush="{TemplateBinding BorderBrush}" BorderThickness="0,0,0,0"  Opacity="0.1"
                            Background="{TemplateBinding Background}" Padding="{TemplateBinding Padding}"></Border>
                        </Grid>
                    </Border>
                </Grid>
                <ControlTemplate.Triggers>
                    <Trigger Property="IsMouseOver" Value="true">
                        <Setter Property="Background" TargetName="Overlay" Value="{DynamicResource Accent}"/>
                    </Trigger>
                    <Trigger Property="IsSelected" Value="true">
                        <Setter Property="Panel.ZIndex" Value="1"/>
                        <Setter Property="BorderThickness" TargetName="Bd" Value="0,0,0,3"/>
                        <Setter Property="BorderBrush" TargetName="Bd" Value="{DynamicResource Accent}"/>
                        <Setter Property="FontSize" TargetName="LblCon" Value="18"/>
                        <Setter Property="FontWeight" TargetName="LblCon" Value="Bold" />
                    </Trigger>
                    <MultiTrigger>
                        <MultiTrigger.Conditions>
                            <Condition Property="IsSelected" Value="false"/>
                            <Condition Property="IsMouseOver" Value="true"/>
                        </MultiTrigger.Conditions>
                        <Setter Property="BorderBrush" TargetName="Overlay" Value="{DynamicResource Accent}"/>
                    </MultiTrigger>
                    <Trigger Property="TabStripPlacement" Value="Bottom">
                        <Setter Property="BorderThickness" TargetName="Bd" Value="0"/>
                    </Trigger>
                    <Trigger Property="TabStripPlacement" Value="Left">
                        <Setter Property="BorderThickness" TargetName="Bd" Value="0"/>
                    </Trigger>
                    <Trigger Property="TabStripPlacement" Value="Right">
                        <Setter Property="BorderThickness" TargetName="Bd" Value="0"/>
                    </Trigger>
                    <MultiTrigger>
                        <MultiTrigger.Conditions>
                            <Condition Property="IsSelected" Value="true"/>
                            <Condition Property="TabStripPlacement" Value="Top"/>
                        </MultiTrigger.Conditions>
                        <Setter Property="Margin" Value="-2,-2,-2,-1"/>
                        <Setter Property="Margin" TargetName="LblCon" Value="0,0,0,1"/>
                    </MultiTrigger>
                    <MultiTrigger>
                        <MultiTrigger.Conditions>
                            <Condition Property="IsSelected" Value="true"/>
                            <Condition Property="TabStripPlacement" Value="Bottom"/>
                        </MultiTrigger.Conditions>
                        <Setter Property="Margin" Value="-2,-1,-2,-2"/>
                        <Setter Property="Margin" TargetName="LblCon" Value="0,1,0,0"/>
                    </MultiTrigger>
                    <MultiTrigger>
                        <MultiTrigger.Conditions>
                            <Condition Property="IsSelected" Value="true"/>
                            <Condition Property="TabStripPlacement" Value="Left"/>
                        </MultiTrigger.Conditions>
                        <Setter Property="Margin" Value="-2,-2,-1,-2"/>
                        <Setter Property="Margin" TargetName="LblCon" Value="0,0,1,0"/>
                    </MultiTrigger>
                    <MultiTrigger>
                        <MultiTrigger.Conditions>
                            <Condition Property="IsSelected" Value="true"/>
                            <Condition Property="TabStripPlacement" Value="Right"/>
                        </MultiTrigger.Conditions>
                        <Setter Property="Margin" Value="-1,-2,-2,-2"/>
                        <Setter Property="Margin" TargetName="LblCon" Value="1,0,0,0"/>
                    </MultiTrigger>
                    <Trigger Property="IsEnabled" Value="false">
                        <Setter Property="Background" TargetName="Bd" Value="{StaticResource TabItemDisabledBackground}"/>
                        <Setter Property="BorderBrush" TargetName="Bd" Value="{StaticResource TabItemDisabledBorderBrush}"/>
                        <Setter Property="Foreground" Value="{DynamicResource {x:Static SystemColors.GrayTextBrushKey}}"/>
                    </Trigger>
                </ControlTemplate.Triggers>
            </ControlTemplate>
        </Setter.Value>
    </Setter>
</Style>

于 2014-03-24T18:02:50.747 回答