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                ThinkChat2.0新版上線,更智能更精彩,支持會話、畫圖、視頻、閱讀、搜索等,送10W Token,即刻開啟你的AI之旅 廣告
                xaml新增`x:DeferLoadStrategy`里面只有`Lazy`,查詢了百度看到MSP_甄心cherish大神說的 xaml使用`x:DeferLoadStrategy="Lazy"`延遲加載元素 我寫了代碼 ~~~ <Grid Background="{ThemeResource ApplicationPageBackgroundThemeBrush}"> <Grid.RowDefinitions> <RowDefinition/> <RowDefinition/> <RowDefinition Height="auto"/> </Grid.RowDefinitions> <Image x:Name="ximg1" Source="/assets/1.jpg" Grid.Row="0" Margin="10,10,10,10"/> <Image x:Name="ximg2" Source="/assets/2.jpg" Grid.Row="1" Margin="10,10,10,10" x:DeferLoadStrategy="Lazy"/> <Button Content="顯示" Grid.Row="2" Margin="10,10,10,10" HorizontalAlignment="Right" Click="Button_Click"/> </Grid> ~~~ ximg1顯示,ximg2不顯示 點擊按鈕就顯示ximg2 1.jpg和2.jpg都是隨意的圖片 這樣和原先的`Visibility="Collapsed"`沒有顯示可是有加載好在不浪費資源,可以到用到才加載。 點擊button ~~~ private void Button_Click(object sender , RoutedEventArgs e) { FindName(nameof(ximg2)); } ~~~ 如果寫`FindName("ximg2");`容易寫錯 程序啟動 ![程序啟動](https://box.kancloud.cn/2016-04-08_57076367b08ea.jpg "") 點擊顯示 ![點擊顯示](https://box.kancloud.cn/2016-04-08_57076367ec251.jpg "") 這樣做對于要加載大量的圖片,而不是在用戶需要顯示,可以先延遲,到了需要再加載,這樣加快了速度。 參考:[http://blog.csdn.net/zmq570235977/article/details/47404437](http://blog.csdn.net/zmq570235977/article/details/47404437)
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