The Registration_NumUsers retrieves information on how many users are registered to use the product.
int Registration_NumUsers( short productID, // The product ID registered int version, // The version of the product char* companyName, // The name of the company char* key[5] // An array of key segments );
productID [in] The product ID that the registration key is for. version [in] The version of the registration key. companyName [in] The name of the company the product is registered to. key[5] [in] An 5 element array of null-terminated key segment strings.
Returns the number of users allowed to be logged into the system.