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Revision as of 22:36, 28 June 2007 by Den123 (Talk | contribs)

Literals

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String Literals are consructed via the _LIT macro. The macro take two params:

- literal name
- pointer to the NULL-terminated string

Simple example:

_LIT( KMyLiteral, "My string literal" );

Literals are stored as TLitC objects - they are not actually descriptors themselves, but they can be converted to descriptors:

// operator()
TInt len = KMyLiteral().Length()
// operator&
const TDesC& ptr = &KMyLiteral;
// implicitly operator const TDesC16&() const
void YouFunc( const TDesC& aParam )
{
...
}
YouFunc( KMyLiteral );

Some old examples in SDK can contain macro _L for literals constructing. Now this macro is deprecated. Always create literals using _LIT !

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