Hi ksjosh82 and Neil,
thanks for your answers.
@Neil: I do not have MapControl, I think because I installed a version of ArcView 9.3 Student Edition.
I installed everything possible, but there wasn't Desktop SDK.
Anyway I managed to create the window but i do not see the map in it, even though all other functions are ok (as extents rectangles).
in the form that contains mapcontrol display there is wrote: " the LicenseControl is not used to inizialize this application whit a license. Please add the LicenseControl or programmatically use the AoInizialize object to initialize this application"
What can I do?
thanks for everything.
Barbara