Fabien,
The C# routine that I previously attached has Subs to do conversions
between any of OSGBGridmapReference, OSGBEastingNorthing, OSGB36
WGS84. An example point is:
OSGBGridmapReference: Map=SO, Across=91370, Up=95550
OSGBEastingNorthing: Easting=391370, Northing=295550
OSGB36:
The class proj, mapointclass and mapbound are in the project i've sent to you
the C# class you have is very specific...
they are some tools that are able to do that without rewriting the wheel.
libproj of the proj project is one of these tool. It used in every map
displayer in it's js version.
I've asked this once before without my understanding what to do but I
thought that I would try again. Someone has written a routine in C
Sharp which is used as a library for the Android RAD Basic4android: I
have successfully used this library with a Basic4android app that I have
written. I