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RAS Win32 API:  Does anyone have experience with RasEnumConnections?

Posted on 1998-09-16
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Last Modified: 2012-06-21
Does anyone have experience with RasEnumConnections?  I need to get all the connections and see if one of the existing connections is the connection I am trying to make.  The reason I need this is that I get a non-zero (failure) return code when I call RasDial on  a specific phonebook entry if the connection for this entry already exists.  Does anyone know a workaround for this or do I have to use RasEnumConnections?  If so, anyone have any sample implementations of this method?

Thank you
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Question by:ext3awf
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4 Comments
 
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Accepted Solution

by:
agreen earned 200 total points
ID: 1172908
Take a look at the RASberry sample:
http://192.116.171.100/rasberry.zip
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Expert Comment

by:msiegenthaler
ID: 1172909
try this. It should work correctly.

  RASCONN l_RASConnections[10];
  l_RASConnections[0].dwSize=sizeof(l_RASConnections[0]);
  DWORD l_BufferSize=sizeof(l_RASConnections);
  DWORD l_ConnectionCount=0;

  if (RasEnumConnections(&l_RASConnections[0], &l_BufferSize, &l_ConnectionCount)==0)  
  {
    for (DWORD i=0; i<l_ConnectionCount; i++)
    {
      if (m_CheckAll || l_RASConnections[i].szEntryName==m_Line)
        RasHangUp(l_RASConnections[i].hrasconn);
    }
  }
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Author Comment

by:ext3awf
ID: 1172910
msiegenthaler,
When I try this code I get the following errors:

1. I get an Unknown character 0x0a0  for  l_RASConnections[10]

2. I get no conversion from int to char* for
if (m_CheckAll || l_RASConnections[i].szEntryName == m_Line)

3. What are m_CheckAll and m_Line defined as?

4. When I make the call to DWORD rc = RasDIAL(NULL, NULL, &rdParams, NULL, NULL, l_RASConnections[i].hrasconn);      It doesn't like the
last parameter.  The complier gives me: struct HRASCONN__ *' to 'struct HRASCONN__ ** '                                                   
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Expert Comment

by:msiegenthaler
ID: 1172911
The part inside the FOR doesn't matter. I've copied this code out of one of my programs.'l_RASConnections[i].szEntryName' is the name of RAS connections and 'l_RASConnections[i].hrasconn' can be used for dial or hang up a connection.
To the 4. question: I'm not sure what's up, but I'd recommend you to read to help

U understand how the stuff works?
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