help with compiler directives

i need help!!! ok i know how to use compiler directives #ifndef, #define and #endif to make sure a library is only compiled once but it is being compiled twice in my program and making errors for some reason here is the code. help would be greatly appreciated ///////////////////////////////////////////////////////// // Pong.h: interface for the Pong class. // ////////////////////////////////////////////////////////////////////// #ifndef _PONG_H #define _PONG_H #include #include typedef struct PaddleType { PaddleType(); // constructor char *filename; // name of bitmap for paddle LPDIRECTDRAWSURFACE7 PaddleSurf;// dd surface for paddle RECT bbox; // a bounding box for collision detection int velocity; // vertical velocity of paddle }Paddle; PaddleType:: PaddleType() :filename(NULL), PaddleSurf(NULL) { } class Pong { private: Paddle Player1; // struct for p1's paddle Paddle Player2; // struct for p2's paddle public: Pong(); ~Pong(); }; #endif Can anyone tell me whats wrong with it? thanks NiNo Edited by - nino on 11/12/00 2:41:54 AM