private async Task <PPError> TouchAsyncCore(DateTime lastAccessTime, DateTime lastModifiedTime, MessageLoop messageLoop = null)
{
var tcs = new TaskCompletionSource <PPError>();
EventHandler <PPError> handler = (s, e) => { tcs.TrySetResult(e); };
try
{
HandleTouch += handler;
if (MessageLoop == null && messageLoop == null)
{
Touch(lastAccessTime, lastModifiedTime);
}
else
{
Action <PPError> action = new Action <PPError>((e) =>
{
var result = (PPError)PPBFileRef.Touch(this,
PepperSharpUtils.ConvertToPepperTimestamp(lastAccessTime),
PepperSharpUtils.ConvertToPepperTimestamp(lastModifiedTime),
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
{
HandleTouch -= handler;
}
}
/// <summary>
/// Touch() Updates time stamps for a file. You must have write access to the
/// file if it exists in the external filesystem.
/// </summary>
/// <param name="lastAccessTime">The last time the file was accessed.</param>
/// <param name="lastModifiedTime">The last time the file was modified.</param>
/// <returns>Ok if all went well</returns>
public PPError Touch(DateTime lastAccessTime, DateTime lastModifiedTime)
=> (PPError)PPBFileRef.Touch(this,
PepperSharpUtils.ConvertToPepperTimestamp(lastAccessTime),
PepperSharpUtils.ConvertToPepperTimestamp(lastModifiedTime),
new CompletionCallback(OnTouch));
