Silverlight 4.0 VisualStateManager

Question

任何人都可以請幫助我還是有什麼我錯過了？該visualSTATE是不會觸發

xmlns:swi="clr-namespace:System.Windows.Interactivity;assembly=System.Windows.Interactivity" xmlns:esi="clr-namespace:Expression.Samples.Interactivity;assembly=Expression.Samples.Interactivity" xmlns:mei="clr-namespace:Microsoft.Expression.Interactivity.Core;assembly=Microsoft.Expression.Interactions"

<my:DataGridTemplateColumn IsReadOnly="True"> 
       <my:DataGridTemplateColumn.CellTemplate> 
        <DataTemplate> 
         <StackPanel Orientation="Horizontal"> 
         <VisualStateManager.VisualStateGroups> 
           <VisualStateGroup x:Name="vsgUrgency"> 
            <VisualState x:Name="UrgencySerious"> 
             <Storyboard> 
              <ColorAnimation Storyboard.TargetName="orbUrgency" 
             Storyboard.TargetProperty="Fill" To="Red"/> 
             </Storyboard> 
            </VisualState> 
            <VisualState x:Name="UrgencyNormal"> 
             <Storyboard> 
              <ColorAnimation Storyboard.TargetName="orbUrgency" 
             Storyboard.TargetProperty="Fill" To="Green"/> 
             </Storyboard> 
            </VisualState> 
           </VisualStateGroup> 
          </VisualStateManager.VisualStateGroups>  
          <swi:Interaction.Triggers> 
           <esi:DataTrigger Binding="{Binding Urgency}" Value="Serious"> 
            <mei:GoToStateAction StateName="UrgencySerious"/> 
           </esi:DataTrigger> 
           <esi:DataTrigger Binding="{Binding Urgency}" Value="Normal"> 
            <mei:GoToStateAction StateName="UrgencyNormal"/> 
           </esi:DataTrigger> 
          </swi:Interaction.Triggers> 
          <TextBlock Text="{Binding Urgency}"/> 
          <Path x:Name="orbUrgency" Width="14.6566" Height="14.5449" Stretch="Fill" StrokeThickness="1" 
          StrokeLineJoin="Round" Fill="#FFE50A0A" 
          Data="F1 M 9.3269,3.61737C 13.3742,3.61737 16.6552,6.87332 16.6552,10.8898C 16.6552,14.9063 13.3742,18.1623 9.3269,18.1623C 5.2796,18.1623 1.99862,14.9063 1.99862,10.8898C 1.99862,6.87332 5.27956,3.61737 9.3269,3.61737 Z "> 
          </Path> 
         </StackPanel> 
        </DataTemplate> 
       </my:DataGridTemplateColumn.CellTemplate> 
      </my:DataGridTemplateColumn> 

Answer 1

假設你的意思是使用的緊迫性DataTriggers的CellTemplate狀態，我認爲你需要改變對GoToStateActions

的 目標財產

TargetName的默認值是根範圍，例如您的UserControl或Window。

您希望目標是單元格。

http://blogs.msdn.com/expression/archive/2010/02/22/switching-visual-states-easily-using-gotostateaction.aspx