t constructor
or - if arguments are provided - the appropriate constructor for those
arguments.

<p>The <b>sourceName</b>, represents the name of the source that will
provide the arguments. It should have the following characteristics:
<ul>
<li>It may be a field, a non-indexed property or a method taking no arguments.
<li>It may be either an instance or a static member.
<li>It must return an IEnumerable or a type that implements IEnumerable.
<li>The individual items returned from the enumerator must be comp