【VC++開發】靜態調用連接庫

#include "stdafx.h"
#include <windows.h>
#include <windowsx.h>
#include "resource.h"
#include "MainDlg.h"
#pragma comment(lib,"Newdll.lib")
extern "C" _declspec(dllexport) int add(int i1,int i2);
/*
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*/
BOOL WINAPI Main_Proc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
    switch(uMsg)
    {
        HANDLE_MSG(hWnd, WM_INITDIALOG, Main_OnInitDialog);
        HANDLE_MSG(hWnd, WM_COMMAND, Main_OnCommand);
        HANDLE_MSG(hWnd,WM_CLOSE, Main_OnClose);
    }
    return FALSE;
}
BOOL Main_OnInitDialog(HWND hwnd, HWND hwndFocus, LPARAM lParam)
{
    return TRUE;
}
void Main_OnCommand(HWND hwnd, int id, HWND hwndCtl, UINT codeNotify)
{
    switch(id)
    {
        case IDC_OK:
        {
            int i=add(2,56);
            TCHAR msg[256];
            wsprintf(msg,"2+56=%i",i);
            MessageBox(hwnd,msg,TEXT("問好"),MB_OK);
        }
        break;
        default:
        break;
    }
}
void Main_OnClose(HWND hwnd)
{
    EndDialog(hwnd, 0);
}