IP地址的CString型和DWORD型转换

#pragma comment(lib,"ws2_32.lib")

#include <Winsock2.h>

//将CString 型IP地址在IPAddressCtrl中显示 
CString strIP="192.168.0.10"; 
DWORD dwIP; 
dwIP = inet_addr(strIP); 
unsigned char *pIP = (unsigned char*)&dwIP; 
m_ipAddr.SetAddress(*(pIP+3), *(pIP+2), *(pIP+1), *pIP);   
    
//将IPAddressCtrl中的IP地址获得并转换成CString型 
unsigned char *pIP; 
CString strIP; 
DWORD dwIP; 
m_ipAddr.GetAddress(dwIP); 
pIP = (unsigned char*)&dwIP; 
strIP.Format("%u.%u.%u.%u",*(pIP+3), *(pIP+2), *(pIP+1), *pIP);

//CString型IP地址转换为DWORD

CString strIP="192.168.1.184"; 
DWORD dwAddress= ntohl( inet_addr(strIP)); 
m_IPAddr.SetAddress(dwAddress);



// DWORD IP转换为CString

DWORD dwMainServerIP;

m_MainServerIPCtrl.GetAddress(dwMainServerIP);

strMainServerIP.Format(_T("%d.%d.%d.%d"), 

(dwMainServerIP>>24)&0xff, 

(dwMainServerIP>>16)&0xff, 

(dwMainServerIP>>8)&0xff, 

dwMainServerIP&0xff ) ;