我目前正在一个项目上,有一张要显示3秒钟的图像,然后在其余的运行过程中将其隐藏起来并显示主网格。
我试图做的是将主网格放在不透明度为0或Visibility = Visibility.Hidden的子网格中,并在公共MainWindow(){}方法后面的代码中实现秒表。当我尝试一个if语句:if(stopwatch.ElapsedMilliseconds> 3000){Change Opacity}时,我尚未达到条件并与第一个窗口堆叠在一起。当我尝试使用while方法时,只需添加一个空的while循环,三秒钟内什么都不会显示,然后我很快就看到了主网格。
如何获得所需的结果?
提前感谢!
public MainWindow()
{
InitializeComponent();
ViewModel = (Application.Current as App).VM;
DataContext = ViewModel;
Dashboard.DataContext = ViewModel;
this.Loaded += new RoutedEventHandler(MainWindow_Loaded);
this.Loaded += new RoutedEventHandler(myMediaElement_MediaEnded);
TimeGrinder();
Page1.Opacity = 0;
MainGrid.Opacity = 100;
}
public void TimeGrinder()
{
var stopWatch = new Stopwatch();
stopWatch.Start();
while (stopWatch.ElapsedMilliseconds < 3000) { }
return;
}
可能有帮助:
using System.Threading;
...
private async void HideGrid()
{
Page1.Opacity = 0;
MainGrid.Opacity = 100;
await Task.Delay(3000);
//await Task.Run(() => Thread.Sleep(3000));
Page1.Opacity = 100;
MainGrid.Opacity = 0;
}
编辑为@aepot建议