public TimeSpan RemainingTimeSpan(double part, double whole)
{
try
{
Update();
double percent = 0;
if (part > 0)
{
percent = Math.IsWhatPercentOf(part, whole) / 100;
}
else
{
percent = 1;
}
double totalTicks = 0;
if (percent > 0)
{
totalTicks = TimeSpan.Ticks / percent;
}
var timeSpan2 = new TimeSpan(Convert.ToInt64(totalTicks));
totalTicks = totalTicks - TimeSpan.Ticks;
var timeSpan = new TimeSpan(Convert.ToInt64(totalTicks));
return(timeSpan);
}
catch (Exception exception)
{
Log.Error(exception);
return(default(TimeSpan));
}
}
protected virtual void UpdateProgress(StatusType status, long bytesProcessed, long totalBytes, Exception exception)
{
try
{
_TotalBytes = totalBytes;
if (status == StatusType.Completed)
{
_BytesProcessed = _TotalBytes;
_PercentCompleted = 100;
_RemainingTime = new TimeSpan(0);
if (!Processed)
{
InvokeOnProgressChanged();
}
_Status = StatusType.Completed;
}
else if (status == StatusType.Failed)
{
_RemainingTime = new TimeSpan(0);
if (!Processed)
{
InvokeOnProgressChanged();
}
if (IsCancellationRequested)
{
_Status = StatusType.Cancelled;
}
else
{
_Status = StatusType.Failed;
if (exception != null)
{
_ExceptionMessage = exception.Message;
}
if (String.IsNullOrEmpty(_ExceptionMessage))
{
_ExceptionMessage = "Unknown error";
}
}
}
else
{
_Status = IsCancellationRequested ? StatusType.Cancelling : status;
if (_BytesProcessed < bytesProcessed)
{
_BytesProcessed = bytesProcessed;
try
{
_PercentCompleted =
Convert.ToInt32(Math.IsWhatPercentOf(_BytesProcessed, _TotalBytes, 0));
}
catch
{
}
try
{
_RemainingTime = StopWatch.RemainingTimeSpan(_BytesProcessed, _TotalBytes);
}
catch
{
}
}
}
if (Processed)
{
CloseFileStream();
}
}
catch (Exception exception2)
{
Log.Error(exception2, false);
}
}