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[英]How to pass multiple converter parameter in generic Enum to Boolean Converter
[英]How to Pass multiple parameter in Multivalue Converter Over WPF DataTrigger
我有四个int
Property ProOne
, ProTwo
, ProThree
和ProFour
我必须在多值转换器中实现布尔逻辑((ProOne == ProTwo) || (ProThree == ProFour))
,即VisibilityCheckConverter
。 基于逻辑,多值转换器VisibilityCheckConverter
返回True
或False
。
现在我需要将四个属性传递给Converter over DataTrigger,基于Value,我必须将Buttons Visibility更改为Visible
请帮助我如何使用具有多个参数的多值转换器编写DataTrigger
XAML代码示例:
<ControlTemplate.Triggers>
<DataTrigger Property="{Binding , Converter={StaticResource VisibilityCheckConverter,ConverterParameter=ProOne ProTwo ProThree ProFour}}" Value="true">
<Setter TargetName="Button" Property="Visibility" Value="Visible" />
</DataTrigger>
</ControlTemplate.Triggers>
你可以做这样的事情
<Style.Triggers>
<DataTrigger Value="True">
<DataTrigger.Binding>
<MultiBinding Converter="{StaticResource VisibilityCheckConverter}">
<Binding Path="ProOne" />
<Binding Path="ProTwo" />
<Binding Path="ProThree" />
<Binding Path="ProFour" />
</MultiBinding>
</DataTrigger.Binding>
<Setter TargetName="Button" Property="Visibility" Value="Visible" />
</DataTrigger>
</Style.Triggers>
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