InstallShield 2019 ยป InstallScript Language Reference
The IsObject function checks whether a variable of type OBJECT has been assigned a reference to a valid object, using the CreateObject or GetObject functions.
Syntax
IsObject ( oObject );
Parameters
| 
                         Parameter  | 
                    
                         Description  | 
                
| 
                         oObject  | 
                    
                         Specifies the variable to be checked.  | 
                
Return Values
| 
                         Return Value  | 
                    
                         Description  | 
                
| 
                         TRUE  | 
                    
                         oObject has been assigned a reference to a valid object.  | 
                
| 
                         FALSE  | 
                    
                         oObject has not been assigned a reference to a valid object.  | 
                
                        InstallShield 2019 Help LibraryApril 2019 | 
                    Copyright Information | Flexera |