How to programming with gvSIG
How to create menus :
gvSIG extension : http://r1.bocher.free.fr/documents/experimentations/ext.org.sigle.reso.sample.zip
Unzip folder and put it in gvSIG_1.0/bin/gvSIG/extensiones.
sources : http://r1.bocher.free.fr/documents/experimentations/src_ext.org.sigle.reso.sample.zip