/// <summary>
/// 通过API获取宽带连接名称 win7已测试
/// </summary>
/// <returns></returns>
public static List <string> GetAllAdslName()
{
List <string> list = new List <string>();
int lpNames = 1;
int entryNameSize = 0;
int lpSize = 0;
RasEntryName[] names = null;
entryNameSize = Marshal.SizeOf(typeof(RasEntryName));
lpSize = lpNames * entryNameSize;
names = new RasEntryName[lpNames];
names[0].dwSize = entryNameSize;
uint retval = RasEnumEntries(null, null, names, ref lpSize, out lpNames);
//if we have more than one connection, we need to do it again
if (lpNames > 1)
{
names = new RasEntryName[lpNames];
for (int i = 0; i < names.Length; i++)
{
names[i].dwSize = entryNameSize;
}
retval = RasEnumEntries(null, null, names, ref lpSize, out lpNames);
}
if (lpNames > 0)
{
for (int i = 0; i < names.Length; i++)
{
list.Add(names[i].szEntryName);
}
}
return(list);
}
/// <summary>
/// 获取所有拨号连接名称
/// </summary>
/// <returns></returns>
public static string[] GetDialupName()
{
int lpNames = 1;
int lpSize = 0;
RasEntryName[] names = null;
int entryNameSize = Marshal.SizeOf(typeof(RasEntryName));
lpSize = lpNames * entryNameSize;
names = new RasEntryName[lpNames];
names[0].dwSize = entryNameSize;
uint retval = RasEnumEntries(null, null, names, ref lpSize, out lpNames);
if (retval != 0 && lpNames <= 0)
{
return(null);
}
if (lpNames > 1)
{
names = new RasEntryName[lpNames];
for (int i = 0; i < names.Length; i++)
{
names[i].dwSize = entryNameSize;
}
retval = RasEnumEntries(null, null, names, ref lpSize, out lpNames);
if (retval != 0)
{
return(null);
}
}
if (lpNames > 0)
{
var m_ConnectionNames = new string[names.Length];
for (int i = 0; i < names.Length; i++)
{
m_ConnectionNames[i] = names[i].szEntryName;
}
return(m_ConnectionNames);
}
return(null);
}
/// <summary>
/// Get all entries from RAS
/// </summary>
/// <param name="allConns"></param>
/// <returns>
/// 0: success with entries
/// 1: success but no entries found
/// 2: failed
/// </returns>
public static uint GetAllConns(ref string[] allConns)
{
int lpNames = 1;
int entryNameSize = 0;
int lpSize = 0;
uint retval = ERROR_SUCCESS;
RasEntryName[] names = null;
entryNameSize = Marshal.SizeOf(typeof(RasEntryName));
lpSize = lpNames * entryNameSize;
names = new RasEntryName[lpNames];
names[0].dwSize = entryNameSize;
retval = RAS.RasEnumEntries(null, null, names, ref lpSize, out lpNames);
//if we have more than one connection, we need to resize
if (retval == ERROR_BUFFER_TOO_SMALL)
{
names = new RasEntryName[lpNames];
for (int i = 0; i < names.Length; i++)
{
names[i].dwSize = entryNameSize;
}
retval = RAS.RasEnumEntries(null, null, names, ref lpSize, out lpNames);
}
if (retval == ERROR_SUCCESS)
{
if (lpNames == 0)
{
// no entries found.
return(1);
}
allConns = new string[names.Length];
for (int i = 0; i < names.Length; i++)
{
allConns[i] = names[i].szEntryName;
}
return(0);
}
else
{
return(2);
}
}
/// <summary>
/// Get all entries from RAS
/// </summary>
/// <param name="allConns"></param>
/// <returns>
/// 0: success with entries
/// 1: success but no entries found
/// 2: failed
/// </returns>
public static uint GetAllConns(ref string[] allConns)
{
int lpNames = 0;
int entryNameSize = 0;
int lpSize = 0;
uint retval = ERROR_SUCCESS;
RasEntryName[] names = null;
entryNameSize = Marshal.SizeOf(typeof(RasEntryName));
// Windows Vista or later: To determine the required buffer size, call RasEnumEntries
// with lprasentryname set to NULL. The variable pointed to by lpcb should be set to zero.
// The function will return the required buffer size in lpcb and an error code of ERROR_BUFFER_TOO_SMALL.
retval = RasEnumEntries(null, null, null, ref lpSize, out lpNames);
if (retval == ERROR_BUFFER_TOO_SMALL)
{
names = new RasEntryName[lpNames];
for (int i = 0; i < names.Length; i++)
{
names[i].dwSize = entryNameSize;
}
retval = RasEnumEntries(null, null, names, ref lpSize, out lpNames);
}
if (retval == ERROR_SUCCESS)
{
if (lpNames == 0)
{
// no entries found.
return(1);
}
allConns = new string[names.Length];
for (int i = 0; i < names.Length; i++)
{
allConns[i] = names[i].szEntryName;
}
return(0);
}
else
{
return(2);
}
}
/// <summary>
/// Get all entries from RAS
/// </summary>
/// <param name="allConns"></param>
/// <returns>
/// 0: success with entries
/// 1: success but no entries found
/// 2: failed
/// </returns>
public static uint GetAllConns(ref string[] allConns)
{
int lpNames = 0;
int entryNameSize = 0;
int lpSize = 0;
uint retval = ERROR_SUCCESS;
RasEntryName[] names = null;
entryNameSize = Marshal.SizeOf(typeof(RasEntryName));
// Windows Vista or later: To determine the required buffer size, call RasEnumEntries
// with lprasentryname set to NULL. The variable pointed to by lpcb should be set to zero.
// The function will return the required buffer size in lpcb and an error code of ERROR_BUFFER_TOO_SMALL.
retval = RasEnumEntries(null, null, null, ref lpSize, out lpNames);
if (retval == ERROR_BUFFER_TOO_SMALL)
{
names = new RasEntryName[lpNames];
for (int i = 0; i < names.Length; i++)
{
names[i].dwSize = entryNameSize;
}
retval = RasEnumEntries(null, null, names, ref lpSize, out lpNames);
}
if (retval == ERROR_SUCCESS)
{
if (lpNames == 0)
{
// no entries found.
return 1;
}
allConns = new string[names.Length];
for (int i = 0; i < names.Length; i++)
{
allConns[i] = names[i].szEntryName;
}
return 0;
}
else
{
return 2;
}
}
static string[] getConnections()
{
//var dir = @"Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections";
//var key = Registry.CurrentUser.CreateSubKey(dir);
//return key.GetValueNames();
int lpNames = 1;
int entryNameSize = 0;
int lpSize = 0;
RasEntryName[] names = null;
entryNameSize = Marshal.SizeOf(typeof(RasEntryName));
lpSize = lpNames * entryNameSize;
names = new RasEntryName[lpNames];
names[0].dwSize = entryNameSize;
uint retval = NativeMethods.RasEnumEntries(null, null, names, ref lpSize, out lpNames);
//if we have more than one connection, we need to do it again
if (lpNames > 1)
{
names = new RasEntryName[lpNames];
for (int i = 0; i < names.Length; i++)
{
names[i].dwSize = entryNameSize;
}
retval = NativeMethods.RasEnumEntries(null, null, names, ref lpSize, out lpNames);
}
var connections = new List <string>()
{
""
};
var length = lpNames > 0 ? names.Length : 0;
for (int i = 0; i < length; i++)
{
connections.Add(names[i].szEntryName);
}
return(connections.ToArray());
}
static string[] getConnections() {
//var dir = @"Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections";
//var key = Registry.CurrentUser.CreateSubKey(dir);
//return key.GetValueNames();
int lpNames = 1;
int entryNameSize = 0;
int lpSize = 0;
RasEntryName[] names = null;
entryNameSize = Marshal.SizeOf(typeof(RasEntryName));
lpSize = lpNames * entryNameSize;
names = new RasEntryName[lpNames];
names[0].dwSize = entryNameSize;
uint retval = NativeMethods.RasEnumEntries(null, null, names, ref lpSize, out lpNames);
//if we have more than one connection, we need to do it again
if (lpNames > 1) {
names = new RasEntryName[lpNames];
for (int i = 0; i < names.Length; i++) {
names[i].dwSize = entryNameSize;
}
retval = NativeMethods.RasEnumEntries(null, null, names, ref lpSize, out lpNames);
}
var connections = new List<string>() { "" };
var length = lpNames > 0 ? names.Length : 0;
for (int i = 0; i < length; i++) {
connections.Add(names[i].szEntryName);
}
return connections.ToArray();
}
public RASDisplay()
{
m_connected = true;
RAS lpras = new RAS();
RASCONN lprasConn = new RASCONN();
lprasConn.dwSize = Marshal.SizeOf(typeof(RASCONN));
lprasConn.hrasconn = IntPtr.Zero;
int lpcb = 0;
int lpcConnections = 0;
int nRet = 0;
lpcb = Marshal.SizeOf(typeof(RASCONN));
nRet = RAS.RasEnumConnections(ref lprasConn, ref lpcb, ref
lpcConnections);
if (nRet != 0)
{
m_connected = false;
return;
}
if (lpcConnections > 0)
{
//for (int i = 0; i < lpcConnections; i++)
//{
RasStats stats = new RasStats();
m_ConnectedRasHandle = lprasConn.hrasconn;
RAS.RasGetConnectionStatistics(lprasConn.hrasconn, stats);
m_ConnectionName = lprasConn.szEntryName;
int Hours = 0;
int Minutes = 0;
int Seconds = 0;
Hours = ((stats.dwConnectionDuration / 1000) / 3600);
Minutes = ((stats.dwConnectionDuration / 1000) / 60) - (Hours * 60);
Seconds = ((stats.dwConnectionDuration / 1000)) - (Minutes * 60) - (Hours * 3600);
m_duration = Hours + " hours " + Minutes + " minutes " + Seconds + " secs";
m_TX = stats.dwBytesXmited;
m_RX = stats.dwBytesRcved;
//}
}
else
{
m_connected = false;
}
int lpNames = 1;
int entryNameSize = 0;
int lpSize = 0;
RasEntryName[] names = null;
entryNameSize = Marshal.SizeOf(typeof(RasEntryName));
lpSize = lpNames * entryNameSize;
names = new RasEntryName[lpNames];
names[0].dwSize = entryNameSize;
uint retval = RAS.RasEnumEntries(null, null, names, ref lpSize, out lpNames);
//if we have more than one connection, we need to do it again
if (lpNames > 1)
{
names = new RasEntryName[lpNames];
for (int i = 0; i < names.Length; i++)
{
names[i].dwSize = entryNameSize;
}
retval = RAS.RasEnumEntries(null, null, names, ref lpSize, out lpNames);
}
m_ConnectionNames = new string[names.Length];
if (lpNames > 0)
{
for (int i = 0; i < names.Length; i++)
{
m_ConnectionNames[i] = names[i].szEntryName;
}
}
}
