protected override void DeleteThisExercise()
{
foreach (KeyValuePair <string, AbstractExercise> pair in NestedExercises_)
{
AbstractExercise.DeleteThis((AbstractExercise)pair.Value);
}
InvalidateThis();
}
// delete an exercise in this album
public bool DeleteExercise(string name)
{
TestValid();
if (name != null && NestedExercises_.ContainsKey(name))
{
AbstractExercise ae = NestedExercises_[name];
AbstractExercise.DeleteThis(ae);
NestedExercises_.Remove(name);
return(true);
}
return(false);
}