/// <summary>Checks the tracker and throws UserCancelException if tracker is not null and progress returns false</summary>
/// <param name="tracker">can be null, then the method does nothing.</param>
public static void CheckAndThrow(com.epl.geometry.ProgressTracker tracker)
{
if (tracker != null && !tracker.Progress(-1, -1))
{
throw new com.epl.geometry.UserCancelException();
}
}
public override com.epl.geometry.Geometry Next()
{
com.epl.geometry.Geometry geometry;
if ((geometry = m_inputGeometryCursor.Next()) != null)
{
// if (geometry =
// m_inputGeometryCursor->Next())
m_index = m_inputGeometryCursor.GetGeometryID();
if ((m_progressTracker != null) && !(m_progressTracker.Progress(-1, -1)))
{
throw new System.Exception("user_canceled");
}
return(Simplify(geometry));
}
return(null);
}