[C++]
class CXllFnThe CXllFn object represents a function that can be (and may already have been) registered. The class is used extensively by the framework, but is only of use to you as an add-in author if you wish to inspect or modify function definitions at run-time.
| m_stEntryPoint | Name of C function |
| m_stArgTemplate | Argument template, containing the return type, the data types of the arguments and behaviour flags |
| m_stName | Name of function in Excel |
| m_stArgNames | Argument names, separated by commas |
| m_usType | Availability flag. 1 indicates that the function can be called from worksheets; 2 that it can be called from macro sheets; 3 that it can be called from either. No other value is acceptable. |
| m_stCategory | The category under which the function will appear in the Excel Function Wizard |
| m_stHelpText | Description of function (as displayed by Excel Function Wizard) |
| m_astArgHelpText | String array containing descriptions of each argument (as displayed by Excel Function Wizard) |
Header: xllplus.h