Method ~vtkAlgorithm

Common/ExecutionModel/vtkAlgorithm.cxx:152–170

------------------------------------------------------------------------------

//------------------------------------------------------------------------------
vtkAlgorithm::~vtkAlgorithm()
{
  this->SetInformation(nullptr);
  if (this->Executive)
  {
    this->Executive->UnRegister(this);
    this->Executive = nullptr;
  }
  if (this->ProgressObserver)
  {
    this->ProgressObserver->UnRegister(this);
    this->ProgressObserver = nullptr;
  }
  this->InputPortInformation->Delete();
  this->OutputPortInformation->Delete();
  delete this->AlgorithmInternal;
  delete[] this->ProgressText;
  this->ProgressText = nullptr;
}

//------------------------------------------------------------------------------
void vtkAlgorithm::SetProgressObserver(vtkProgressObserver* po)