| description |
Learn more about the pop_macro pragma directive in Microsoft C/C++ |
| title |
pop_macro pragma |
| ms.date |
01/22/2021 |
| f1_keywords |
vc-pragma.pop_macro |
pop_macro_CPP |
|
| helpviewer_keywords |
pop_macro pragma |
pragma, pop_macro |
|
| no-loc |
|
Sets the value of the macro-name macro to the value on the top of the stack for this macro.
#pragma pop_macro( "macro-name" )
Remarks
A push_macro for macro-name must be issued before you can do a pop_macro.
// pragma_directives_pop_macro.cpp
// compile with: /W1
#include <stdio.h>
#define X 1
#define Y 2
int main() {
printf("%d",X);
printf("\n%d",Y);
#define Y 3 // C4005
#pragma push_macro("Y")
#pragma push_macro("X")
printf("\n%d",X);
#define X 2 // C4005
printf("\n%d",X);
#pragma pop_macro("X")
printf("\n%d",X);
#pragma pop_macro("Y")
printf("\n%d",Y);
}Pragma directives and the __pragma and _Pragma keywords