DtvLong dal_hlp_fnc_url (fnc)

Adds a function to the help trigger stack.

Input Parameters Significance
int *(fnc)() pointer to help trigger function

Output Parameters Significance
none -

Return Code Significance
0 no error

After the online help system has been called via dal_hlp_cal_txt, the function passed will be called with the following parameters:

If the function is called several times with different function pointers, these form a stack, which is executed at the trigger moment. If the function sets a new URL via dal_hlp_set_url, the execution of the function will be terminated.