Project project = new Project("New Project.mpp");

// Access task 
Task splitTask = project.RootTask.Children.GetById(4);

// Display split parts of task
SplitPartCollection collection = splitTask.SplitParts;
foreach (SplitPart splitPart in collection)
{
    Console.WriteLine("Index: " + splitPart.Index + " Start: " + splitPart.Start + " Finish: " + splitPart.Finish);
}