get_subregion

Description:

public bool get_subregion (out TextIter start, out TextIter end)

Gets the subregion at this iterator.

this	a SourceRegionIter.
start	iterator to initialize with the subregion start, or `null`.
end	iterator to initialize with the subregion end, or `null`.

true if start and end have been set successfully (if non-%NULL), or false if this is the end iterator or if the region is empty.