我想在程序运行的时候提前把mainpage的image1控件图片加载完毕再进入,但是图片却不显示
private void Application_Launching(object sender, LaunchingEventArgs e)
{
MainPage main = new MainPage();
BitmapImage bi = new BitmapImage(new Uri("startscreen2.jpg", UriKind.RelativeOrAbsolute));
main.image1.Source = bi;
System.Threading.Thread.Sleep(4000);
}