error

[zelawar]

Hi all
I get the following error:
Error 1 error C2039: 'oper' : is not a member of 'QString' c:\qt\4.7.0\src\corelib\tools\qstring.h 720
please any sugestion how to solve it
also I wrotethe code in this it in this way
inline QString &QString:per
regards
ziad

[wysota]

In C++ you cannot add methods to already existing classes.

[Ali Reza]

you can define a class that inherits QString and add your methods to it.