Silverlight互动触发器 [英] Silverlight interaction trigger

问题描述

我在vs2010中创建了一个页面.其中包含这样的交互触发器..

I created one page in vs2010.It contains interaction trigger like this..

<MediaElement x:Name="mediaElement" Grid.Row="0" Grid.Column="0"  Source="{Binding SelectedVideoProperty}"  AutoPlay="False" HorizontalAlignment="Stretch" VerticalAlignment="Stretch">
            <i:Interaction.Triggers>
                <i:EventTrigger EventName="MediaOpened">
                    <i:InvokeCommandAction Command="{Binding MediaOpenedCommand}" CommandParameter="{Binding ElementName=mediaElement}"/>
                </i:EventTrigger>
            </i:Interaction.Triggers>
        </MediaElement>

Viewmodel包含代码.当我运行时，该事件没有触发.

Viewmodel contains the codes.While I''m running, that event is not firing.

推荐答案

您需要具有代理数据源并绑定来自代理数据源的命令通过添加代理数据源的静态资源.

you need to have a proxy datasource and bind the command from the proxy datasource by adding a static resource of your proxy data source.

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