CoreHeader.h #pragma once #include #define WINMAIN(hinst) int WinMain(HINSTANCE hInst, HINSTANCE hPrevInst, LPSTR lpCmdLine,int nCmdShow) #define WNDPROC(WndProc) LRESULT CALLBACK WndProc(HWND hwnd, UINT iMsg, WPARAM wParam, LPARAM lParam) #define CREATEDEFAULTWINDOW(windowName,hInstance) CreateWindowEx(0, windowName, windowName, WS_OVERLAPPEDWINDOW, 0, 0, 800, 600, NULL, NULL, hInstance, NULL) ..