Task:

Assigns a context help string for a variable or field. This string is displayed if the variable/field is selected in the expression wizard.

Activation:

Always activated

Parameters:

lParam: points to a string containing the variable or fieldname

Return Value:

_lReply must point to the description string. Caution: this must remain valid after return of this function, so do not use an automatic stack variable.

Example:

case LL_CMND_VARHELPTEXT:
   sVariableDescr = (LPCSTR) pscCallback->_lParam;
   // Check routines for variable
   strcpy(szHelpText, "Variable x for task y");
   pscCallback->_lReply = (LPARAM)szHelpText;
   break;