get_subregion

Description:

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

Gets the subregion at this iterator.

this	a RegionIter.
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.