#include<Windows.h>

LRESULT CALLBACK WndProc(HWND,UINT,WPARAM,LPARAM);
HINSTANCE g_hlnst;
LPCTSTR lpszClass = TEXT("first");

int APIENTRY WinMain(HINSTANCE hlnstance,HINSTANCE hPrevlnstance,LPSTR lpszCmdParam,int nCmdShow)
{
 HWND hWnd;
 MSG Message;
 WNDCLASS WndClass;
 g_hlnst = hlnstance;

 WndClass.cbClsExtra=0;
 WndClass.cbWndExtra=0;
 WndClass.hbrBackground=(HBRUSH)GetStockObject(WHITE_BRUSH);
 WndClass.hCursor=LoadCursor(NULL,IDC_ARROW);
 WndClass.hInstance=hlnstance;
 WndClass.lpfnWndProc = WndProc;
 WndClass.lpszClassName = lpszClass;
 WndClass.lpszMenuName = NULL;
 WndClass.style=CS_HREDRAW|CS_VREDRAW;
    RegisterClass(&WndClass);

 hWnd =CreateWindow(lpszClass,lpszClass,WS_OVERLAPPEDWINDOW,CW_USEDEFAULT,CW_USEDEFAULT,CW_USEDEFAULT,CW_USEDEFAULT,NULL,(HMENU)NULL,hlnstance,NULL);
 ShowWindow(hWnd,nCmdShow);

 while(GetMessage(&Message,NULL,0,0))
 {
  TranslateMessage(&Message);
  DispatchMessage(&Message);
 }
 return (int)Message.wParam;
}

LRESULT CALLBACK WndProc(HWND hWnd,UINT iMessage,WPARAM wParam,LPARAM IParam)
{
 switch(iMessage)
 {
 case WM_DESTROY:
  PostQuitMessage(0);
  return 0;
 }
 return (DefWindowProc(hWnd,iMessage,wParam,IParam));
}

이라는 소스를 돌리려고하는데 일단 오류가없어 근데 실행하면 아무것도 안뜨지 ㅜㅜ
책에는 6.0에 대해서만 나와있어서 그러는데 이 소스자체가 윈도우창 만드는건데
어떻하면 실행시킬수있음?