我寫了一個下載功能,但是當文件寫在我的電腦上它是一個空文件(零字節長) 任何人都可以告訴我的原因?UWP下載文件與VB.Net
這是函數
Public Shared Async Function StartDownload(ByVal InputUrl As String, ByVal FileName As String) As Task
Dim MioPicker As FolderPicker = New FolderPicker()
MioPicker.SuggestedStartLocation = PickerLocationId.Desktop
MioPicker.ViewMode = PickerViewMode.Thumbnail
MioPicker.FileTypeFilter.Add("*")
Dim MioFolder As StorageFolder = Await MioPicker.PickSingleFolderAsync
Dim source As New Uri(InputUrl)
Dim destinationFile As StorageFile = Await MioFolder.CreateFileAsync(FileName, CreationCollisionOption.GenerateUniqueName)
Dim downloader As New BackgroundDownloader()
Dim download As DownloadOperation = downloader.CreateDownload(source, destinationFile)
End Function
謝謝是一個很多
非常感謝。我的錯誤是離開StartAsync行...... :-( –