Vendor name callback.
Source position: osutilsh.inc line 67
| var OnGetVendorName: TGetVendorNameEvent; | 
OnGetVendorName must be set in order for VendorName to return a value. It will then be used in GetAppConfigDir and GetAppConfigFile to determine the configuration directory. Set it to a callback that returns the actual vendor name for the application.
| 
 | Return Application vendor Name. | |
| 
 | Return the appropriate directory for the application's configuration files. | |
| 
 | Return an appropriate name for an application configuration file. |