Introduction - If you have any usage issues, please Google them yourself
long WINAPI WndProc(HWND hWnd,UINT iMessage, UINT wParam,LONG lParam)
BOOL InitWindowsClass(HINSTANCE hInstance)
BOOL InitWindows(HINSTANCE hInstance,int nCmdShow)
int WINAPI WinMain(HINSTANCE hInstance,HINSTANCE hPrenInstance,LPSTR lpCmdLin,int nCmdShow)