Location:
e32def.h
Link against:
#if defined(_UNICODE)
typedef TText16 TText;
#define _L(a) (TPtrC((const TText *)L ## a))
...
#else
typedef TText8 TText;
#define _L(a) (TPtrC((const TText *)(a)))
...
#endif
Supported from 5.0
Deprecated build independent literal. The macro defines either an 8 bit constant literal (for non-Unicode text) or a 16 bit constant literal (for Unicode text) depending on the build.