IFileSystemItemDeleteAsync Method

Task DeleteAsync(
	IOperationContext operationContext,
	IConfirmationResultContext resultContext,
	CancellationToken cancellationToken = null
)

Function DeleteAsync ( 
	operationContext As IOperationContext,
	resultContext As IConfirmationResultContext,
	Optional cancellationToken As CancellationToken = Nothing
) As Task

Task^ DeleteAsync(
	IOperationContext^ operationContext, 
	IConfirmationResultContext^ resultContext, 
	CancellationToken cancellationToken = nullptr
)

abstract DeleteAsync : 
        operationContext : IOperationContext * 
        resultContext : IConfirmationResultContext * 
        ?cancellationToken : CancellationToken 
(* Defaults:
        let _cancellationToken = defaultArg cancellationToken null
*)
-> Task 

public async Task DeleteAsync(IOperationContext operationContext, IConfirmationResultContext resultContext = null, CancellationToken cancellationToken = default)
{
    Logger.LogDebug($"{nameof(IFileSystemItem)}.{nameof(DeleteAsync)}()", this.UserFileSystemPath, default, operationContext);

    // To cancel the operation and prevent the file from being deleted, 
    // call the resultContext.ReturnErrorResult() method or throw any exception inside this method:
    // resultContext.ReturnErrorResult(CloudFileStatus.STATUS_CLOUD_FILE_REQUEST_TIMEOUT);

    // IMPOTRTANT!
    // Make sure you have all Windows updates installed.
    // See Windows Cloud API delete prevention bug description here: 
    // https://stackoverflow.com/questions/68887190/delete-in-cloud-files-api-stopped-working-on-windows-21h1
    // https://docs.microsoft.com/en-us/answers/questions/75240/bug-report-cfapi-ackdelete-borken-on-win10-2004.html
}

public async Task DeleteCompletionAsync(IOperationContext operationContext, IInSyncStatusResultContext resultContext, CancellationToken cancellationToken = default)
{
    // On Windows, for rename with overwrite to function properly for folders, 
    // the deletion of the folder in the remote storage must be done in DeleteCompletionAsync()
    // Otherwise the source folder will be deleted before files in it can be moved.

    Logger.LogMessage($"{nameof(IFileSystemItem)}.{nameof(DeleteCompletionAsync)}()", UserFileSystemPath, default, operationContext);

    try
    {
        FileSystemInfo remoteStorageItem = FsPath.GetFileSystemItem(RemoteStoragePath);
        if (remoteStorageItem != null)
        {
            if (remoteStorageItem is FileInfo)
            {
                remoteStorageItem.Delete();
            }
            else
            {
                (remoteStorageItem as DirectoryInfo).Delete(true);
            }
            Logger.LogDebug("Deleted in the remote storage successfully", UserFileSystemPath, default, operationContext);
        }
    }
    catch (UnauthorizedAccessException)
    {
        resultContext.SetInSync = false; // We want the Engine to try deleting this file again at a later time.
        Logger.LogError("Failed to delete item", UserFileSystemPath, default, null, operationContext);
    }
    catch (DirectoryNotFoundException)
    {
        // Windows Explorer may call delete more than one time on the same file/folder.
        Logger.LogDebug("Folder already deleted", UserFileSystemPath, default, operationContext);
    }
    catch (FileNotFoundException)
    {
        // Windows Explorer may call delete more than one time on the same file/folder.
        Logger.LogDebug("File already deleted", UserFileSystemPath, default, operationContext);
    }
}