喜IM重複地更新這個圖,我發現它的acumulating項目,而不是僅僅刷新所有項目例如清除mapItemsControl.Itemtemplate WP7地圖
林assing項目給它mapz.ItemsSource = App.ViewModel.LocationItems; 如何在此之前清除mapz中的現有項目?
<my:Map x:Name="myMap" Height="480" Width="444" CredentialsProvider="NON YE BIZ"
Grid.ColumnSpan="1" LogoVisibility="Collapsed" CopyrightVisibility="Collapsed" Margin="5,0,10,0" VerticalContentAlignment="Top" HorizontalContentAlignment="Left" >
<my:MapItemsControl x:Name="mapz" ItemsSource="{Binding LocationItems}" Width="450">
<my:MapItemsControl.ItemTemplate>
<DataTemplate>
<my:Pushpin Name="MyPushPin" Location="{Binding Target_Coordinate}" Content="{Binding Target_NickName}"/>
</DataTemplate>
</my:MapItemsControl.ItemTemplate>
</my:MapItemsControl>
</my:Map>
您能否顯示添加/刪除項目的代碼?什麼是你綁定的集合類型? – ColinE