[英]How to keep file upload progress report consistent (even after switching to other pages and go back to File upload page)
我發現,每次導航時,我總是創建新頁面。 我只需要導航到同一頁面,一切都OK。 示例代碼是這樣的
public partial class FileUploadPage : Page {
private async void StartUpload(object sender, RoutedEventArgs e) {
await UploadFilesAndReport();
}
private void GoToNewPage(object sender, RoutedEventArgs e) {
//Pass the current File upload page to NewPage constructor
var newPage = new NewPage(this);
this.NavigationService.Navigate(newPage);
}
}
public partial class NewPage : Page
{
public NewPage(FileUploadPage fileUploadPage)
{
this.fileUploadPage = fileUploadPage;
}
private GoBackToFileUploadPage(object sender, RoutedEventArgs e)
{
this.NavigationService.Navigate(this.fileUploadPage);
}
}
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