private async Task <PPError> DeleteAsyncCore(MessageLoop messageLoop = null)
{
var tcs = new TaskCompletionSource <PPError>();
EventHandler <PPError> handler = (s, e) => { tcs.TrySetResult(e); };
try
{
HandleDelete += handler;
if (MessageLoop == null && messageLoop == null)
{
Delete();
}
else
{
Action <PPError> action = new Action <PPError>((e) =>
{
var result = (PPError)PPBFileRef.Delete(this,
new BlockUntilComplete()
);
tcs.TrySetResult(result);
}
);
InvokeHelper(action, messageLoop);
}
return(await tcs.Task);
}
catch (Exception exc)
{
Console.WriteLine(exc.Message);
tcs.SetException(exc);
return(PPError.Aborted);
}
finally
{
HandleDelete -= handler;
}
}
/// <summary> /// Delete() deletes a file or directory. If <code>FileRef</code> refers to /// a directory, then the directory must be empty. It is an error to delete a /// file or directory that is in use. It is not valid to delete a file in /// the external file system. /// </summary> /// <returns>Error code</returns> public PPError Delete() => (PPError)PPBFileRef.Delete(this, new CompletionCallback(OnDelete));
