Having trouble by MFC lntelliSense on C++ - c++

Question

Hello I have this Microsoft Foundation Classes that will run mostly and check USB Device and other stuff. The problem is, certain IntelliSense is undefined that's why most errors will display when running the program.
Here's the error list:
The Entire Code:
// MFCApplication2Dlg.cpp : implementation file
//
#include "stdafx.h"
#include "MFCApplication2.h"
#include "MFCApplication2Dlg.h"
#include "afxdialogex.h"
#include "afxwin.h"
#include "CyAPI.h"
#define UART_H
#ifdef _DEBUG
#define new DEBUG_NEW
#endif
bool IsConnect = false;
// CAboutDlg dialog used for App About
class CAboutDlg : public CDialogEx
{
public:
CAboutDlg();
// Dialog Data
enum { IDD = IDD_ABOUTBOX };
protected:
virtual void DoDataExchange(CDataExchange* pDX); // DDX/DDV support
// Implementation
protected:
DECLARE_MESSAGE_MAP()
};
CAboutDlg::CAboutDlg() : CDialogEx(CAboutDlg::IDD)
{
}
void CAboutDlg::DoDataExchange(CDataExchange* pDX)
{
CDialogEx::DoDataExchange(pDX);
}
BEGIN_MESSAGE_MAP(CAboutDlg, CDialogEx)
END_MESSAGE_MAP()
// CMFCApplication2Dlg dialog
CMFCApplication2Dlg::CMFCApplication2Dlg(CWnd* pParent /*=NULL*/)
: CDialogEx(CMFCApplication2Dlg::IDD, pParent)
{
m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}
void CMFCApplication2Dlg::DoDataExchange(CDataExchange* pDX)
{
CDialogEx::DoDataExchange(pDX);
}
BEGIN_MESSAGE_MAP(CMFCApplication2Dlg, CDialogEx)
ON_WM_SYSCOMMAND()
ON_WM_PAINT()
ON_WM_QUERYDRAGICON()
ON_BN_CLICKED(IDC_BUTTON1, &CMFCApplication2Dlg::OnBnClickedButton1)
ON_BN_CLICKED(IDC_BUTTON3, &CMFCApplication2Dlg::OnBnClickedButton3)
ON_BN_CLICKED(IDC_BUTTON2, &CMFCApplication2Dlg::OnBnClickedButton2)
END_MESSAGE_MAP()
// CMFCApplication2Dlg message handlers
BOOL CMFCApplication2Dlg::OnInitDialog()
{
CDialogEx::OnInitDialog();
// Add "About..." menu item to system menu.
// IDM_ABOUTBOX must be in the system command range.
ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX);
ASSERT(IDM_ABOUTBOX < 0xF000);
CMenu* pSysMenu = GetSystemMenu(FALSE);
if (pSysMenu != NULL)
{
BOOL bNameValid;
CString strAboutMenu;
bNameValid = strAboutMenu.LoadString(IDS_ABOUTBOX);
ASSERT(bNameValid);
if (!strAboutMenu.IsEmpty())
{
pSysMenu->AppendMenu(MF_SEPARATOR);
pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu);
}
}
// Set the icon for this dialog. The framework does this automatically
// when the application's main window is not a dialog
SetIcon(m_hIcon, TRUE); // Set big icon
SetIcon(m_hIcon, FALSE); // Set small icon
// TODO: Add extra initialization here
return TRUE; // return TRUE unless you set the focus to a control
}
void CMFCApplication2Dlg::OnSysCommand(UINT nID, LPARAM lParam)
{
if ((nID & 0xFFF0) == IDM_ABOUTBOX)
{
CAboutDlg dlgAbout;
dlgAbout.DoModal();
}
else
{
CDialogEx::OnSysCommand(nID, lParam);
}
}
// If you add a minimize button to your dialog, you will need the code below
// to draw the icon. For MFC applications using the document/view model,
// this is automatically done for you by the framework.
void CMFCApplication2Dlg::OnPaint()
{
if (IsIconic())
{
CPaintDC dc(this); // device context for painting
SendMessage(WM_ICONERASEBKGND, reinterpret_cast<WPARAM>(dc.GetSafeHdc()), 0);
// Center icon in client rectangle
int cxIcon = GetSystemMetrics(SM_CXICON);
int cyIcon = GetSystemMetrics(SM_CYICON);
CRect rect;
GetClientRect(&rect);
int x = (rect.Width() - cxIcon + 1) / 2;
int y = (rect.Height() - cyIcon + 1) / 2;
// Draw the icon
dc.DrawIcon(x, y, m_hIcon);
}
else
{
CDialogEx::OnPaint();
}
}
// The system calls this function to obtain the cursor to display while the user drags
// the minimized window.
HCURSOR CMFCApplication2Dlg::OnQueryDragIcon()
{
return static_cast<HCURSOR>(m_hIcon);
}
bool CMFCApplication2Dlg::OnBnClickedButton1()
{
USBDevice->Open(0);
if (USBDevice->IsOpen() != TRUE)
{
AfxMessageBox(_T("Failed to Open Device"));
return false;
}
else
{
IsConnect = true;
return true;
}
}
void CMFCApplication2Dlg::OnBnClickedButton3()
{
USBDevice->Close();
IsConnect = false;
}
void CMFCApplication2Dlg::OnBnClickedButton2()
{
char tmpUart[60];
long OutPacketSize;
OutPacketSize = sizeof(sUart);
LPTSTR pBuffer;
CString sBuffer;
int i;
if (IsConnect == false)
{
AfxMessageBox(_T("USB Connect Fail"));
return;
}
CEdit*OutValue = (CEdit*)GetDlgItem(IDC_OUT_VALUE);
pBuffer = sBuffer.GetBuffer(60);
OutValue->GetWindowText(pBuffer, 60);
strcpy(tmpUart, pBuffer);
OutPacketSize = strlen(tmpUart);
for (i = 0; i<OutPacketSize; i++) sUart[i] = tmpUart[i];
sUart[OutPacketSize + 1] = 0;
OutPacketSize = OutPacketSize + 1;
//Perform the BULK OUT
if (USBDevice->BulkOutEndPt)
{
USBDevice->BulkOutEndPt->XferData(sUart, OutPacketSize);
}
}
HELP:
What certain libraries do I have to import or include to fix these kind of errors? I'm new to MFC's and I don't quite yet understand the structures and ways to program this. Please help.

Answer 1

The ON_BN_CLICKED message map macro expects a member function pointer with the signature
afx_msg void memberFxn()
However, your OnBnClickedButton1 returns a bool. That member function must not have a return value (void) to use it with ON_BN_CLICKED.