m_errorcode

Type: short

                       Returns a value representing the error code if a valid barcode image cannot be created. The error codes are shown below.

code   meaning

0        No error
1        Wrong code length
2        Unrecognised code type
3        Wrong add-on code length
4        Illegal character in code
5        Error in embedded code
6        Generated line width less than 1 unit
7        font error
8        unable to create metafile
9        no code provided

More:

m_flags