一个图标有关问题

一个图标问题？
DrawlconEx这个函数总是错误为什么呀,错误是没有定义   这是为什么呀？
error:   E:\zhang\shuai\shuai.cpp(39)   :   error   C2065:   'DrawlconEx '   :   undeclared   identifier  


#include   "stdafx.h "  
#include <shellapi.h>  
#include <winuser.h>  
//#include <usser32.lib>  
//using   namespace   std;  
int   APIENTRY   WinMain(HINSTANCE   hInstance,  
HINSTANCE   hPrevInstance,  
LPSTR   lpCmdLine,  
int   nCmdShow)  
{  
//   TODO:   Place   code   here.  

HICON   hIcon;  
HDC   hDC;  
HWND   hWnd;  
HINSTANCE   hInst;  
hDC=GetDC(hWnd);  
hIcon=ExtractIcon(hInst, "C:\\Windows\\System\\Shell32.DLL ",1);  
DrawIcon(hDC,0,0,hIcon);  
DrawlconEx(hDC,0,0,hIcon,NULL,DI_NORMAL);  
//   DrawlconEx();  
return   0;  
}


------解决方案--------------------
winuser.h

Public Declare Function DrawIconEx Lib "user32 " Alias "DrawIconEx " (ByVal hdc As Long, ByVal xLeft As Long, ByVal yTop As Long, ByVal hIcon As Long, ByVal cxWidth As Long, ByVal cyWidth As Long, ByVal istepIfAniCur As Long, ByVal hbrFlickerFreeDraw As Long, ByVal diFlags As Long) As Long

l-> I