Ошибка в VC++: ссылка на неразрешенный внешний символ

#include "stdafx.h"
#include "EZ_LCD.h"
 
int APIENTRY WinMain(HINSTANCE hInstance,
                     HINSTANCE /*hPrevInstance*/,
                     LPSTR     /*lpCmdLine*/,
                     int       /*nCmdShow*/)
{
    HRESULT     res_ = S_OK;
 
    // Create instance of EzLcd.
    CEzLcd* ezlcd_ = new CEzLcd();
 
    // Have it initialize itself
    res_ = ezlcd_->InitYourself(_T("PROG1"));
 
    HANDLE stroka_ = ezlcd_->AddText(LG_STATIC_TEXT, LG_MEDIUM, DT_LEFT, 80);
    ezlcd_->SetOrigin(stroka_, 50, 18);
    ezlcd_->SetText(stroka_, _T("HELLO!"));
    return 0;
}

//
// MultiplePages.cpp : Defines the entry point for the application.
//
 
#include "stdafx.h"
 
#include "EZ_LCD.h"
 
 
int APIENTRY WinMain(HINSTANCE hInstance,
                     HINSTANCE /*hPrevInstance*/,
                     LPSTR     /*lpCmdLine*/,
                     int       /*nCmdShow*/)
{
    HRESULT     res_ = S_OK;
    DWORD       familyId_ = LGLCD_DEVICE_FAMILY_JACKBOX;
 
    // Create instance of EzLcd.
    CEzLcd* ezlcd_ = new CEzLcd();
 
    // Have it initialize itself
    res_ = ezlcd_->InitYourself(_T("Multiple Pages Sample"));
 
    if (res_ != S_OK)
    {
        // Something went wrong, when connecting to the LCD Manager software. We need to get out now
        delete ezlcd_;
        return 0;
    }
 
    ezlcd_->SetDeviceFamilyToUse(LGLCD_DEVICE_FAMILY_SPEAKERS_Z10);
 
    ///////////////////////////////
    // Static and scrolling Text //
    ///////////////////////////////
    HANDLE titleScrolling_ = ezlcd_->AddText(LG_SCROLLING_TEXT, LG_BIG, DT_CENTER, 160);
    ezlcd_->SetOrigin(titleScrolling_, 0, 2);
 
    HANDLE text1Static_ = ezlcd_->AddText(LG_STATIC_TEXT, LG_MEDIUM, DT_LEFT, 80);
    ezlcd_->SetOrigin(text1Static_, 0, 22);
 
    HANDLE text2Static_ = ezlcd_->AddText(LG_STATIC_TEXT, LG_SMALL, DT_RIGHT, 80);
    ezlcd_->SetOrigin(text2Static_, 80, 22);
 
    //////////////////
    // Progress Bar //
    //////////////////
    //    HANDLE progressBar_ = lcd->AddProgressBar(LG_CURSOR);
    HANDLE progressBar_ = ezlcd_->AddProgressBar(LG_DOT_CURSOR);
    ezlcd_->SetProgressBarSize(progressBar_, 120, 5);
    ezlcd_->SetOrigin(progressBar_, 20, 36);
 
    // temp variable to update progress bar cursor position
    float tempCounter_ = 0.0f;
 
    // Now I add in a second page
    ezlcd_->AddNewPage();
    int pageCount_ = ezlcd_->GetPageCount();
 
    // setup the new page to be the one to add controls to
    ezlcd_->ModifyControlsOnPage(pageCount_-1);
    HANDLE page2text1Static_ = ezlcd_->AddText(LG_STATIC_TEXT, LG_MEDIUM, DT_LEFT, 80);
    ezlcd_->SetOrigin(page2text1Static_, 50, 18);
    ezlcd_->SetText(page2text1Static_, _T("Second Page"));
    HANDLE progressBarPage2_ = ezlcd_->AddProgressBar(LG_FILLED);
    ezlcd_->SetProgressBarSize(progressBarPage2_, 120, 5);
    ezlcd_->SetOrigin(progressBarPage2_, 20, 36);
    ezlcd_->SetProgressBarPosition(progressBarPage2_, (++tempCounter_/10));
 
    // Variables used to loop through and switch between the two pages, without using any timer.
    // Each loop is 50ms, so looping 40 times gives each page 2 seconds total, before we switch
    // to the other page. */
    int loopCount_ = 0;
    int pageToShow_ = 0;
 
    ezlcd_->ModifyControlsOnPage(0); 
    ezlcd_->SetText(titleScrolling_, _T("I am the title of the first page"));
    ezlcd_->SetText(text1Static_, _T("Medium size"));
    ezlcd_->SetText(text2Static_, _T("Small size"));
    ezlcd_->SetProgressBarPosition(progressBar_, (++tempCounter_/10));
 
    DWORD tickCount1_ = GetTickCount();
 
    // main loop
    while(1)
    {
        // Switching back and forth between the two pages that we've created
        if (loopCount_ < 80)
            pageToShow_ = 0;
        else if (loopCount_ < 160)
            pageToShow_ = 1;
        else
        {
            pageToShow_ = 0;
            loopCount_ = 0;
        }
 
        if (ezlcd_->IsConnected())
        {
            ezlcd_->ShowPage(pageToShow_);
 
            // Modifying controls on the 1st page
            ezlcd_->ModifyControlsOnPage(0);
            ezlcd_->SetProgressBarPosition(progressBar_, (++tempCounter_/10));
 
            ezlcd_->ModifyControlsOnPage(1);
            ezlcd_->SetProgressBarPosition(progressBarPage2_, (++tempCounter_/20));
 
            // Check if button 1 triggered
            if (ezlcd_->ButtonIsPressed(LG_BUTTON_1)
                || ezlcd_->ButtonIsPressed(LG_BUTTON_2)
                || ezlcd_->ButtonIsPressed(LG_BUTTON_3)
                || ezlcd_->ButtonIsPressed(LG_BUTTON_4)
                )
            {
                pageToShow_ = (pageToShow_ + 1) % 2;
                ezlcd_->ShowPage(pageToShow_);
            }
        }
 
        // Must run the following every loop.
        ezlcd_->Update();
 
        // Switch every 10 seconds between 3 device families, if they are present
        if ((GetTickCount() - tickCount1_) > 5000)
        {
            if (familyId_ == LGLCD_DEVICE_FAMILY_JACKBOX)
            {
                // Try to move to a G15
                if (ezlcd_->AnyDeviceOfThisFamilyPresent(LGLCD_DEVICE_FAMILY_KEYBOARD_G15) == TRUE)
                {
                    ezlcd_->SetDeviceFamilyToUse(LGLCD_DEVICE_FAMILY_KEYBOARD_G15);
 
                    // Found the device. We will now run on this device automatically
                    familyId_ = LGLCD_DEVICE_FAMILY_KEYBOARD_G15;
                }
                else if (ezlcd_->AnyDeviceOfThisFamilyPresent(LGLCD_DEVICE_FAMILY_SPEAKERS_Z10) == TRUE)
                {
                    ezlcd_->SetDeviceFamilyToUse(LGLCD_DEVICE_FAMILY_SPEAKERS_Z10);
 
                   // Found the device. We will now run on this device automatically
                    familyId_ = LGLCD_DEVICE_FAMILY_SPEAKERS_Z10;
                }
                else
                {
                }
            }
            else if (familyId_ == LGLCD_DEVICE_FAMILY_KEYBOARD_G15)
            {
                // Try to move to a Z10
                if (ezlcd_->AnyDeviceOfThisFamilyPresent(LGLCD_DEVICE_FAMILY_SPEAKERS_Z10) == TRUE)
                {
                    // Found the device. We will now run on this device automatically
                    familyId_ = LGLCD_DEVICE_FAMILY_SPEAKERS_Z10;
                    ezlcd_->SetDeviceFamilyToUse(LGLCD_DEVICE_FAMILY_SPEAKERS_Z10);
                }
                else if (ezlcd_->AnyDeviceOfThisFamilyPresent(LGLCD_DEVICE_FAMILY_JACKBOX) == TRUE)
                {
                    // Found the device. We will now run on this device automatically
                     familyId_ = LGLCD_DEVICE_FAMILY_JACKBOX;
                     ezlcd_->SetDeviceFamilyToUse(LGLCD_DEVICE_FAMILY_JACKBOX);
                }
                else
                {
                }
            }
            else if (familyId_ == LGLCD_DEVICE_FAMILY_SPEAKERS_Z10)
            {
                // Try to move to a G15
                if (ezlcd_->AnyDeviceOfThisFamilyPresent(LGLCD_DEVICE_FAMILY_JACKBOX) == TRUE)
                {
                    // Found the device. We will now run on this device automatically
                     familyId_ = LGLCD_DEVICE_FAMILY_JACKBOX;
                     ezlcd_->SetDeviceFamilyToUse(LGLCD_DEVICE_FAMILY_JACKBOX);
                }
                else if (ezlcd_->AnyDeviceOfThisFamilyPresent(LGLCD_DEVICE_FAMILY_KEYBOARD_G15) == TRUE)
                {
                    // Found the device. We will now run on this device automatically
                     familyId_ = LGLCD_DEVICE_FAMILY_KEYBOARD_G15;
                     ezlcd_->SetDeviceFamilyToUse(LGLCD_DEVICE_FAMILY_KEYBOARD_G15);
                }
                else
                {
                }
            }
 
            // Update timer
            tickCount1_ = GetTickCount();
 
        } 
 
        Sleep(30);
        loopCount_++;
    } 
 
    delete ezlcd_;
 
    return 0;
}