学步园

最近在做一个pppoe拔号程序, 要做一个拔号连接,使得可以通过程序来进行拔号,通过Ras系列的api来做的.MSDN里,随便输入一个ras api的函数名,跳到ras function overview,RasCreatePhonebookEntry...

RasCreatePhonebookEntry函数调用RasEntryDlg这个函数的,RasEntryDlg这个函数参数要求传入一个RASENTRYDLG结构,创建连接是用RasSetEntryProperties来创建拔号连接.

#include "stdafx.h"<br /> #include <windows.h><br /> #include <ras.h></p> <p>int _tmain(int argc, _TCHAR* argv[])<br /> {</p> <p> LPRASENTRY lpRasEntry = NULL;<br /> DWORD cb = sizeof(RASENTRY);<br /> DWORD dwBufferSize = 0;<br /> DWORD dwRet = 0;</p> <p> // 取得entry的大小,这句也不知道是不是必须的,因为sizeof(RASENTRY)和这里取到的dwBufferSize是一样的,不过还是Get一下安全点<br /> RasGetEntryProperties(NULL, L"", NULL, &dwBufferSize, NULL, NULL);<br /> if (dwBufferSize == 0)<br /> return -1;</p> <p> lpRasEntry = (LPRASENTRY)HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, dwBufferSize);<br /> if (lpRasEntry == NULL)<br /> return -2;</p> <p> ZeroMemory(lpRasEntry, sizeof(RASENTRY));<br /> lpRasEntry->dwSize = dwBufferSize;<br /> lpRasEntry->dwfOptions = RASEO_PreviewUserPw|RASEO_RemoteDefaultGateway; // RASEO_PreviewUserPw需要显示ui<br /> lpRasEntry->dwType = RASET_Broadband;</p> <p> lstrcpy(lpRasEntry->szDeviceType, RASDT_PPPoE);<br /> lstrcpy(lpRasEntry->szDeviceName, L"zzc");<br /> lpRasEntry->dwfNetProtocols = RASNP_Ip;<br /> lpRasEntry->dwFramingProtocol = RASFP_Ppp;</p> <p> dwRet = RasSetEntryProperties(NULL, L"my con", lpRasEntry, dwBufferSize, NULL, 0); // 创建连接<br /> HeapFree(GetProcessHeap(), 0, (LPVOID)lpRasEntry);</p> <p> if (dwRet != 0)<br /> return 3;</p> <p> return 0;<br /> }<br />