I've just had the (obvious) idea to try the Hatches.odc located in the sample files.
The idea is to place a comboBox with an already made list of items (names of hte hatches). But it it tells me that there is no ODCL_HATCH_SETPATTERN definition.
And (not)surprisingly, when I load the lisp in the Vlisp console, the function is not recognised.
But the idea is there, in that sample : using a combo + an hatch control
The question is now : Am I using the new or the old version of ODCL ?
I'm lost now.
Ok, I shall move onto another forum now. Thanks to all of you.