public static Stream OpenFileForWriting(string uri) { string fileName = Path.GetFileName(uri); Task <StorageFile> task1 = WindowsRuntimeSystemExtensions.AsTask <StorageFile>(FileHelper.GetFolderForPathOrURI(uri).CreateFileAsync(fileName, CreationCollisionOption.ReplaceExisting)); task1.Wait(); if (task1.Status != TaskStatus.RanToCompletion) { throw new Exception("Failed to open the file"); } Task <IRandomAccessStream> task2 = WindowsRuntimeSystemExtensions.AsTask <IRandomAccessStream>(task1.Result.OpenAsync(FileAccessMode.ReadWrite)); task2.Wait(); if (task2.Status != TaskStatus.RanToCompletion) { throw new Exception("Failed to open the file"); } else { return(WindowsRuntimeStreamExtensions.AsStreamForWrite((IOutputStream)task2.Result)); } }
public static Stream OpenFileForReading(string uri) { return(FileHelper.OpenFileForReading(FileHelper.GetFileForPathOrURI(uri))); }