Quick Question: Whats wrong with this pre-processor directive in C#

Question

Whats wrong with these pre-processor directive in C#

#define OUTPUT_DIRECTORY \"E:\\asdf\\sdfg\\jhkl\\\"

I also tried giving:

Answer 1

In addition to Oded and Hans' answers, I'd recommend simply making it a constant rather than trying to use the pre-processor. If it's used by multiple classes, define it in a common class.