Problem with 'Game Programming Genesis' Tutorial - Please Help!

      
#define WIN32_LEAN_AND_MEAN

#include <windows.h>

#include <windowsx.h>

#include <conio.h>

#include <stdio.h>

/*  typedef struct WNDCLASSEX {
	UINT	cbSize;
	UINT	style;
	WNDPROC lpfnWndProc;
	int     cbClsExtra;
	int     cbWndExtra;
	HANDLE	hInstance;
	HICON	hIcon;
	HCURSOR	hCursor;
	HBRUSH	hBrush;
	LPCTSTR	lpszMenuName;
	LPCTSTR	lpszClassName;
	HICON	hIconSm;
} WNDCLASSEX;   */

WNDCLASSEX gameWindow;

gameWindow.cbSize =	sizeof(WNDCLASSEX);
gameWindow.style =	CS_DBLCLKS | CS_OWNDC |
			CS_HREDRAW | CS_VREDRAW;

int WINAPI WinMain(HINSTANCE hInstance, 
                   HINSTANCE hPrevInstance, 
                   LPSTR lpCmdLine, int nShowCmd)
{
	return 0;
}
  

  
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
#include <windowsx.h>
LRESULT CALLBACK WinProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam);/*You can name this whatever you want;
Windows calls it from TranslateMessage() or DispatchMessage or something...*/

int WINAPI WinMain(/*Don''t remember parameters oh well*/)
{
WNDCLASSEX winclass;
HWND hwnd;
MSG msg;

winclass.style = CS_DBLCLKS | CS_OWNDC |
                 CS_HREDRAW | CS_VREDRAW;//Different settings for window
winclass.lpfnWndProc = WinProc;/*Tell Windows what you named that weird
looking function up above*/
winclass.cbClsExtra = 0; //Ah who cares what this does
winclass.cbWndExtra = 0;
winclass.cbSize = sizeof(WNDCLASSEX);
winclass.hInstance = hInstance;//Make sure to use the same one you declared in WinMain()
winclass.hIcon = LoadIcon(NULL, IDI_APPLICATION);//Standard
winclass.hIconSm = LoadIcon(NULL, IDI_APPLICATION);//Standard
winclass.cursor = LoadCursor(NULL, IDC_ARROW);//Standard
winclass.hbrBackground = (HBRUSH)(GetStockObject(BLACK_BRUSH));//Black Background
winclass.lpszMenuName = NULL//No Menu
winclass.lpszClassName = "Hi!"

//Register the Class
if(!RegisterClassEx(&winclass))
return 0;//Error checking

//Create the Window
if(!(hwnd = CreateWindowEx("Hi!",//Make sure it''s the same^
"Hi again!",//Title
"WS_POPUP | WS_VISIBLE,//More settings
0,0,//x and y
400, 400,//Width and Height
NULL, NULL,//Handle to Parent and Menu
hInstance, //hInstance from WinMain()
NULL)))//I don''t even know what this does
return 0;//Error Checking

While(1)//Main loop
{
if (PeekMessage(&msg, 0, 0, 0, PM_REMOVE))//Check for messages
{
//If there''re any...
if (msg.message == WM_QUIT)//Quit the program
break;
TranslateMessage(&msg);
DispatchMessage(&msg);
}//end if
}//end while
return (msg.wParam);//For some reason you return like this...?
}//End WinMain

//Define WinProc
LRESULT CALLBACK WinProc(/*All that stuff I had up there*/)
{
switch (msg)
{
//do stuff here

default:break;
}
return(DefWindowProc(hwnd, msg, wParam, lParam));//Windows handles messages that you don''t

}//end WinProc()