/// <summary>
/// Stopping the calculation if still in progress
/// </summary>
/// <remarks>
/// This is typically to be called when there have been changes
/// made in the model resulting in changes to the element being analyzed.
/// </remarks>
///
public void StopCalculation()
{
// We first signal we do not want more results,
// so the work-thread knows to stop if it is still around.
m_results.SetCompleted();
// If the thread is alive, we'll wait for it to finish
// It will not take longer than one calculation cycle.
if (m_threadAgent != null)
{
if (m_threadAgent.IsThreadAlive)
{
m_threadAgent.WaitToFinish();
}
m_threadAgent = null;
}
}
/// <summary>
/// Starting a work-thread to perform the calculation
/// </summary>
/// <returns>
/// True if the thread started off successfully.
/// </returns>
public bool StartCalculation()
{
// we need to get the face from the reference we track
Face theface = GetReferencedFace();
if (theface == null)
{
return(false);
}
// An instance for the result exchange
m_results = new SharedResults();
// The agent does not need the face nor the reference.
// It can work with just the bounding box and a density of the grid.
// We also pass the Results as an argument. The thread will be adding calculated results
// to that object, while here in the analyzer we will read from it. Both operations are thread-safe;
m_threadAgent = new ThreadAgent(theface.GetBoundingBox(), 10, m_results);
// now we can ask the agent to start the work thread
return(m_threadAgent.Start());
}