真心求1>\wincedll.cpp(55) : error C2731: 'WinMain' : function cannot be overloaded,该怎么处理

真心求1>.\wincedll.cpp(55) : error C2731: 'WinMain' : function cannot be overloaded
1>.\wincedll.cpp(55) : error C2731: 'WinMain' : function cannot be overloaded
1> .\wincedll.cpp(49) : see declaration of 'WinMain'

主管要我把一个 exe 的功能 封装到一个 show{}函数中，并放入dll, show{}函数 只有1个参数（打开文件路径）
我照下面改了，但是我发现 winmain 的那4个参数不知道如何是好

#include "stdafx.h"
#include "htmlctrl.h"
#include "resource.h"


#pragma comment(lib,"htmlview")

// forward defines (instead of using string tables) 
#define IDS_APP_TITLE TEXT("Browse")
//用本地文件进行测试 file://\\Program Files\\Browse\\start.html
#define IDS_START_PAGE TEXT("http://www.baidu.com/")
#define WM_LAUNCHBROWSER (WM_USER + 1)
// Global Variables:
HINSTANCE g_hInst; // The current instance

// Forward declarations of functions  
ATOM MyRegisterClass(
HINSTANCE,
LPTSTR
);
BOOL InitInstance(
HINSTANCE,  
int
);
LRESULT CALLBACK WndProc(
HWND,
UINT,
WPARAM,
LPARAM
);


BOOL APIENTRY DllMain( HANDLE hModule, 
  DWORD ul_reason_for_call, 
  LPVOID lpReserved
)
{
  return TRUE;
}

//
// FUNCTION: WinMain()
//
// PURPOSE: Entry point for the application and sets up the Msg loop
//
int WinMain( 
HINSTANCE hInstance,
HINSTANCE hPrevInstance
//LPTSTR lpCmdLine,
//int nCmdShow
)
{
MSG msg;


// Perform application initialization:
if (FALSE == InitInstance (hInstance, nCmdShow))  
{
return FALSE;
}

// Main Msg loop:
while (GetMessage(&msg, NULL, 0, 0))  
{
TranslateMessage(&msg);
DispatchMessage(&msg); 
}

return msg.wParam;
}

//
// FUNCTION: MyRegisterClass()
//
// PURPOSE: Registers the window class.
//
ATOM MyRegisterClass(
HINSTANCE hInstance,  
LPTSTR szWindowClass
)
{
WNDCLASS wc;

  wc.style = CS_HREDRAW | CS_VREDRAW;
  wc.lpfnWndProc = (WNDPROC) WndProc;
  wc.cbClsExtra = 0;
  wc.cbWndExtra = 0;
  wc.hInstance = hInstance;
  wc.hIcon = LoadIcon(hInstance, MAKEINTRESOURCE(IDI_WINCE));
  wc.hCursor = 0;
  wc.hbrBackground = (HBRUSH) GetStockObject(WHITE_BRUSH);
  wc.lpszMenuName = 0;
  wc.lpszClassName = szWindowClass;

return RegisterClass(&wc);
}

//
// FUNCTION: InitInstance(HANDLE, int)
//
// PURPOSE: Saves instance handle and creates main window
//
// COMMENTS:
//
// In this function, we save the instance handle in a global variable and
// create and display the main program window.
//
BOOL InitInstance(
HINSTANCE hInstance,  
int nCmdShow
)
{
HWND hWnd = NULL;

g_hInst = hInstance; // Store instance handle in our global variable

//If it is already running, then focus on the window
hWnd = FindWindow(IDS_APP_TITLE, IDS_APP_TITLE); 
if (NULL != hWnd)  
{
SetForegroundWindow (hWnd);
return FALSE;
}  

MyRegisterClass(hInstance, IDS_APP_TITLE);

RECT rect;
GetClientRect(hWnd, &rect);

// create a full-screen window for the browser control
hWnd = CreateWindow(IDS_APP_TITLE, IDS_APP_TITLE, WS_VISIBLE,
0,0, GetSystemMetrics(SM_CXSCREEN), GetSystemMetrics(SM_CYSCREEN),  
NULL, NULL, hInstance, NULL);
if (NULL == hWnd)
{ 
return FALSE;
}

// Hide all the Shell parts and show the window in full screen mode.
SHFullScreen(hWnd, SHFS_HIDETASKBAR | SHFS_HIDESTARTICON | SHFS_HIDESIPBUTTON);