In vs2010 WINNT. H L undefined inside width string conversion (related), lead to other macro _T width string processing, TEXT and so on all can't use, who help explain???

CodePudding user response:

This is the place to c + + Builder, as if to send the wrong place
L should not is undefined, this should be the content in the grammar, isn't take L as what variables used? Just cause undefined??

CodePudding user response:

Moreover
Const char * p="test2";
The TEXT (" test ");//1
The TEXT (p);//2
L (p)//3

//2
//3
Usage is very easy to produce undefined warning,
Because grammar is not correct