C / C++ / MFC

void CShowPicDlg::OnShowClick()
{
   CDC* pDC = this->GetDC();

   // preferred to have seperate indices for R, G and B.
   DWORD dwStartIndexRGB = 1, dwMiddleIndexRGB = 2, dwEndIndexRGB = 3;

    for (int y = 0; y < 480; y++)	//Height
    {
       for (int x = 0; x < 640; x++)	//width
       {
            POINT wndPoint;
            wndPoint.x = x;
            wndPoint.y = y;
        
            BYTE r = m_pFrameData[dwStartIndexRGB];
            BYTE g = m_pFrameData[dwMiddleIndexRGB];
            BYTE b = m_pFrameData[dwEndIndexRGB];
        
            pDC->SetPixel(wndPoint, RGB(r, g, b));
            
            dwStartIndexRGB += 4;
            dwMiddleIndexRGB = dwStartIndexRGB + 1;
            dwEndIndexRGB = dwStartIndexRGB + 2;
        
            if(dwStartIndexRGB >= m_nSize)
                break;
       }	
    }
}

Record.h
=========

#include <string>
using namespace std;

class Record
{
public:
    void setPersonName(string);
    string getPersonName();
    void setEmail(string);
    string getEmail();
    void setTelephoneNumber(int);
    int getTelephoneNumber();

private:
    string personName;
    string email;
    int telephoneNumber;

}

-----------------------------------
Record.cpp
===========

#include <iostream>
#include <string>
 using namespace std;

#include "Record.h"

 void Record::setPersonName(string name)
 {
     personName=name;
 }
 string Record::getPersonName()
 {
     return  personName;
 }
 void Record::setEmail(string mail)
 {
     mail=email;
 }
 string Record::getEmail()
 {
     return email;
 }
 void Record::setTelephoneNumber(int number)
 {
     number=telephoneNumber;
 }
 int Record::getTelephoneNumber()
 {
     return telephoneNumber;
 }
---------

1>  Record.cpp
1>c:\users\hoyin\documents\visual studio 2010\projects\record\record\record.cpp(7): error C2628: 'Record' followed by 'void' is illegal (did you forget a ';'?)
1>c:\users\hoyin\documents\visual studio 2010\projects\record\record\record.cpp(8): error C2556: 'Record Record::setPersonName(std::string)' : overloaded function differs only by return type from 'void Record::setPersonName(std::string)'
1>          c:\users\hoyin\documents\visual studio 2010\projects\record\record\record.h(7) : see declaration of 'Record::setPersonName'
1>c:\users\hoyin\documents\visual studio 2010\projects\record\record\record.cpp(8): error C2371: 'Record::setPersonName' : redefinition; different basic types
1>          c:\users\hoyin\documents\visual studio 2010\projects\record\record\record.h(7) : see declaration of 'Record::setPersonName'
1>
1>Build FAILED.
1>

void *SerialRead(void *param)  // param is a dummy pointer
{
	OVERLAPPED overlapped;
	
	memset( &overlapped, 0, sizeof(overlapped) );
	overlapped.hEvent = CreateEvent( NULL, TRUE, FALSE, NULL );

	SerialEvents[0] = overlapped.hEvent;
	
	ReadFile(SerialPort, SerialBuffer, 289, &dwBytesRead, &overlapped);//Try to read 289 bytes
	
    
	while (WaitForMultipleObjects(2, SerialEvents, false, INFINITE) == WAIT_OBJECT_0) //Wait for some event, if is an serial port event, executes de loop, if not, exit.
	{

		//...
		//Do stuff
		ReadFile(SerialPort, SerialBuffer, 289, &dwBytesRead, &overlapped); //Attempt to read the next 289 bytes
	}

	ClosePort();
	return 0;
}

SerialPort = CreateFile(PortName,
GENERIC_READ|GENERIC_WRITE,//access ( read and write)
0,    //(share) 0:cannot share the COM port
0,    //security  (None)                
OPEN_EXISTING,// creation : open_existing
FILE_FLAG_OVERLAPPED,    // overlapped I/O
0// no templates file for COM port...
);

int buffer_length;

buffer_length=lenth of some string.

BYTE byte_buffer[buffer_length];