C# Conditional Compilation Directives And Usage
The conditional compilation directives are used to conditionally include or exclude portions of a source file. This example shows how to use of preprocessor directives like “#define”, “#undef”, “#if”, etc. Firstly, you should add your variables above the “using”.
#define Debug // Debugging on #undef Trace // Tracing off
#if Debug //To do something #endif #if Trace //To do someting #endif