The function returns the current version information of WinCC OA.
        Synopsis
            
            anytype getVersionInfo( string key);
        
        Parameters
            
            
                        
                            | Parameter | Description | 
                    
                        
                            | key | Possible key values and there corresponding return values are: 
                                    VERSION - The version number as string, e.g. "3.19". Can also be stated as
                                        "version"VERSION_DISP - The displayed version name as string, e.g.
                                            "3.19-SP1". Can also be stated as
                                        "display"VERSION_NUMERIC - The version number as uint, e.g. 315000.
                                        Can also be stated as "numeric"VERSION_PLATFORM - Returns the platform name as string, e.g.
                                        "Linux x86_64". Can also be stated as "platform".major - The major version number as int, e.g. 3minor - The minor version number as int, e.g. 15patch - The patch version number as int, e.g. 17numeric_full - Returns the full version number as int. The
                                        value is calculated as followed: major * 100000 + minor *
                                        1000 + patch, e.g. 315001.platform_subdir - The sub directory that is used inside of
                                        the bin/ and bin/widgets directory for the specific
                                        platform, e.g. "linux-itc". | 
                    
Return value
            
            Anytype; Depending on the stated key value. Can be either string, int or uint
        
        
        Description
            
            The function returns the current version information of WinCC OA.
                The return values depend on the used key value and can be used to e.g. distinguish
                between patch, version (major or minor) or used platform.