OCX generated in Delphi 6 - navision fails at compile time

Digi

I've been just started in navision. I made a simple ocx in delphi 6, registered it, and tried to use in navision attain 3.7:
- opened an existing code unit
- made a global var. type of OCX
- set the subtype
- tried to compile the unit: navision failed - restart needed

i have done the above steps with an other - not self written OCX - and it worked. What made I wrong?

DenSter

If your OCX has any visual component, it will not work. So custom controls or datepickers, things like that simply don't work in Navision. You can only use a non-visual OCX in Navision.

Digi

Dear DenSter,

thanx for your quick reply. Yes, I know what you wrote. My OCX is a TWinControl descendant, and to the best of my ability in Delphi all ActiveX control must be a TWinControl descendant, needn't it? On the other hand I have tried also to use a Delphi-shipped OCX control (named ChartFX) - that is a real visible control - and Navision compiled it successfully (maybe itt won't work at runtime because it is a visible control, but Navision has not failed at compile time). So I think there must be other resrictions causing this failure.
if you have any idea to solve my problem, pelase write me

Digi

so ... I've found the answer to my problem on the page http://www.nowecor.de/users/stephan/ind ... eneral.htm
the major "mistake" was that i have "forgotten" to check the "licence file" (and maybe the "version info" and "about box") checkboxes at the OCX's compile time. After I have done this, Navision has "accepted" my OCX ...