列表框wp7中按钮的事件触发器 [英] Event trigger for buttons inside listbox wp7

问题描述

Hello All，

这是我的mainpage.xml部分的外观

  <   ListBox     x：名称  = 列表  
                                           ItemsSource   =  {Binding ListItemsSource}  >  
 <   ListBox.ItemTemplate  >  
 <   DataTemplate  >  
 <   StackPanel  >  
 <   TextBlock    文字  =  {Binding Name}      FontSize   =  30     /  >  
 <  按钮   < span class =code-attribute>内容  = 赞    x：名称  =  btnLike    IsEnabled   =   {Binding Like，Mode = TwoWay}     >  
 
 <   i：Interaction.Triggers  >  
 <   i：EventTrigger     EventName   = 点击 >  
 <   i：InvokeCommandAction    命令  =  {Binding SetLikeButtonCommand}  
                        < span class =code-attribute>                                                                       CommandParameter   =  {Binding Path = DataContext，ElementName = btnLike}  /  >  
 <   / i：EventTrigger  >  
 <   / i：Interaction.Triggers  >  
 
 <   /按钮 >  
 <   / StackPanel  > ;  
 <   / DataTemplate  >  
 <   / ListBox.ItemTemplate  >  
 <   i：Interaction.Triggers  >  
 <   i：EventTrigger     EventName   =  SelectionChanged >  
 <   i：InvokeCommandAction    命令  =  {Binding SetCountryIdCommand}  
                                                                                               CommandParameter   =  {Binding Path = SelectedItem，ElementName = List}  /  >  
 <   / i：EventTrigger  >  
 <   / i：Interaction.Triggers  >  
 <   / ListBox   >  
 

我的问题是事件触发器（单击）不触发按钮。

但另一方面ListBox事件触发器（ SelectionChanged ）工作正常。



请帮帮我，什么我的代码有问题吗？

解决方案

ListBox没有点击事件。

http://msdn.microsoft.com/en-us/library/system.windows.controls.listbox.aspx [ ^

Hello All,
This is How my part of mainpage.xml looks

<ListBox x:Name="List"
                    ItemsSource="{Binding ListItemsSource}">
               <ListBox.ItemTemplate>
                   <DataTemplate>
                       <StackPanel>
                               <TextBlock Text="{Binding Name}"  FontSize="30" />
                               <Button Content="Like" x:Name="btnLike" IsEnabled="{Binding Like,Mode=TwoWay}"  >

                                   <i:Interaction.Triggers>
                                       <i:EventTrigger EventName="Click">
                                           <i:InvokeCommandAction Command="{Binding SetLikeButtonCommand}"
                                              CommandParameter="{Binding Path=DataContext, ElementName=btnLike}"/>
                                       </i:EventTrigger>
                                   </i:Interaction.Triggers>

                           </Button>
                       </StackPanel>
                   </DataTemplate>
               </ListBox.ItemTemplate>
               <i:Interaction.Triggers>
                   <i:EventTrigger EventName="SelectionChanged">
                       <i:InvokeCommandAction Command="{Binding SetCountryIdCommand}"
                                              CommandParameter="{Binding Path=SelectedItem, ElementName=List}"/>
                   </i:EventTrigger>
               </i:Interaction.Triggers>
           </ListBox>

My Problem is Event Trigger (Click)for button is not fired.
But in other hand ListBox Event trigger (SelectionChanged) is working fine.

Please help me ,What is the problem with my code ?

解决方案

There is no click event for the ListBox.
http://msdn.microsoft.com/en-us/library/system.windows.controls.listbox.aspx[^]

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