public Progress(BasicAmbientProgress progressService, IAmbientProgress?parentProgress, float startPortion, float portionPart, string?prefix = null, bool inheritCancellationSource = true)
{
_tracker = progressService;
_prefix = prefix ?? "";
_currentItem = "";
if (startPortion < 0.0 || startPortion > 1.0)
{
throw new ArgumentOutOfRangeException(nameof(startPortion), "The start portion must be between 0.0 and 1.0, inclusive!");
}
if (portionPart < 0.0 || portionPart > 1.0)
{
throw new ArgumentOutOfRangeException(nameof(portionPart), "The portion part must be between 0.0 and 1.0, inclusive!");
}
if (startPortion + portionPart > 1.0)
{
throw new ArgumentOutOfRangeException(nameof(portionPart), "The sum of the start portion and portion part must be 1.0 or less!");
}
_parentProgress = parentProgress;
_startPortion = startPortion;
_portionPart = portionPart;
if (_inheritedCancelSource = inheritCancellationSource) // note that this is an ASSIGNMENT in addition to a test
{
_cancelSource = parentProgress?.CancellationTokenSource ?? new AmbientCancellationTokenSource();
}
else
{
_cancelSource = new AmbientCancellationTokenSource();
}
progressService.PushSubProgress(this);
}
public void ResetCancellation(CancellationTokenSource?cancellationTokenSource = null)
{
AmbientCancellationTokenSource?cancelSource = (cancellationTokenSource == null) ? new AmbientCancellationTokenSource(null) : new AmbientCancellationTokenSource(cancellationTokenSource);
// dispose of any previously-held cancellation token source and swap in the new one
if (!_inheritedCancelSource)
{
_cancelSource.Dispose();
}
_inheritedCancelSource = false;
_cancelSource = cancelSource;
}
public void ResetCancellation(TimeSpan timeout)
{
AmbientCancellationTokenSource cancelSource = new AmbientCancellationTokenSource(timeout);
// dispose of any previously-held cancellation token source and swap in the new one
if (!_inheritedCancelSource)
{
_cancelSource.Dispose();
}
_inheritedCancelSource = false;
_cancelSource = cancelSource;
}
