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Developer Forum » Software Engineering and Information Technology » C# » C# preprocessor Directives

C# preprocessor Directives Options · View
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hong
Posted: Friday, April 30, 2010 7:22:29 PM

Rank: Administration
Groups: Administration

Joined: 11/23/2008
Posts: 329
Points: 693
Location: Australia
C# preprocessor Directives
Code:
· #if
· #else
· #elif
· #endif
· #define
· #undef
· #warning
· #error
· #line
· #region
· #endregion

Code:
#define TEST

Code:
#if (TEST)
…
#else
…
#endif


Code:
#define TEST1
#define TEST2

Code:
#if (TEST1 && TEST2)
…
#elif (TEST1 && !TEST2)
…
#elif (!TEST1 && TEST2)
…
#else
…
#endif


Conditional compiler directive for debug mode
Code:
#define DEBUG

Code:
#if DEBUG
…
#endif
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Sponsor
Posted: Friday, April 30, 2010 7:22:29 PM
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hong
Posted: Thursday, August 26, 2010 1:00:59 PM

Rank: Administration
Groups: Administration

Joined: 11/23/2008
Posts: 329
Points: 693
Location: Australia
How to define project wide directives or pre-processors

Instead of defining directives in source code by class or file, you can define project wide directives in the project properties. In Visual Studio, right click on your project, then select Properties > Build > Conditional compilation symbols, enter whichever symbols you need (space delimited). Please note that DEBUG or TRACE can also be toggled with a checkbox.
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