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Precompiler if
From FenixWiki
[edit] Definition
#if <what to check>
- <if block>
[#else
- <else block>]
#endif
Checks if what to check is true. If it is, the code in if block will be compiled. If it isn't, the code in else block will be compiled or when there is no else block, the compiler will continue after #endif.
[edit] Example
Consider a define to set the framepercentage in a certain process. Now for some reason you might want to just have a frame; compiled when that define is set to 100.
Loop #ifdef FRAMEPERC #if FRAMEPERC == 100 frame; #else frame(FRAMEPERC); #endif #else frame; #endif End
Used in example: Loop, End, frame, #if, #else, #endif
Precompiler statements | |
#define • #ifdef • #ifndef • #endif • #else • #if |