Jim:

I didn't give this a try yet as the simpler approach that Bob suggested
seems like it will do the trick. Thanks for taking the time to post your
solution. I may try it later to see if it provides an advantage over the
"simple" approach.

Thanks,
Tim

"Jim Thomlinson" wrote:

This is not my code but if I recall correctly it executes a ping command...

Option Explicit
Private Const IP_SUCCESS As Long = 0
Private Const PING_TIMEOUT As Long = 500
Private Const WS_VERSION_REQD As Long = &H101
Private Const INADDR_NONE As Long = &HFFFFFFFF
Private Const MAX_WSADescription As Long = 256
Private Const MAX_WSASYSStatus As Long = 128

Private Type ICMP_OPTIONS
Ttl As Byte
Tos As Byte
Flags As Byte
OptionsSize As Byte
OptionsData As Long
End Type

Private Type ICMP_ECHO_REPLY
Address As Long
status As Long
RoundTripTime As Long
DataSize As Long 'formerly integer
'Reserved As Integer
DataPointer As Long
Options As ICMP_OPTIONS
Data As String * 250
End Type

Private Type WSADATA
wVersion As Integer
wHighVersion As Integer
szDescription(0 To MAX_WSADescription) As Byte
szSystemStatus(0 To MAX_WSASYSStatus) As Byte
wMaxSockets As Long
wMaxUDPDG As Long
dwVendorInfo As Long
End Type

Private Declare Function IcmpCreateFile Lib "icmp.dll" () As Long

Private Declare Function IcmpCloseHandle Lib "icmp.dll" _
(ByVal IcmpHandle As Long) As Long

Private Declare Function IcmpSendEcho Lib "icmp.dll" _
(ByVal IcmpHandle As Long, _
ByVal DestinationAddress As Long, _
ByVal RequestData As String, _
ByVal RequestSize As Long, _
ByVal RequestOptions As Long, _
ReplyBuffer As ICMP_ECHO_REPLY, _
ByVal ReplySize As Long, _
ByVal Timeout As Long) As Long

Private Declare Function WSAGetLastError Lib "wsock32" () As Long

Private Declare Function WSAStartup Lib "wsock32" _
(ByVal wVersionRequired As Long, _
lpWSADATA As WSADATA) As Long

Private Declare Function WSACleanup Lib "wsock32" () As Long

Private Declare Function gethostname Lib "wsock32" _
(ByVal szHost As String, _
ByVal dwHostLen As Long) As Long

Private Declare Function gethostbyname Lib "wsock32" _
(ByVal szHost As String) As Long

Private Declare Sub CopyMemory Lib "kernel32" _
Alias "RtlMoveMemory" _
(xDest As Any, _
xSource As Any, _
ByVal nbytes As Long)

Private Declare Function inet_addr Lib "wsock32" _
(ByVal s As String) As Long


Function PingComputer(ByVal strIPAddress As String) As Long

Dim ECHO As ICMP_ECHO_REPLY
Dim pos As Long
Dim lResult As Long

Dim str2 As String

If SocketsInitialize() Then

str2 = "test"

'ping the IP by passing the address,
'text to send, and the ECHO structure.
lResult = Ping((strIPAddress), (str2), ECHO)

If Left$(ECHO.Data, 1) < Chr$(0) Then
pos = InStr(ECHO.Data, Chr$(0))
End If

SocketsCleanup

Else

'MsgBox "Windows Sockets for 32 bit Windows " & _
"environments is not successfully responding."

End If

PingComputer = lResult

End Function

Private Function Ping(sAddress As String, _
sDataToSend As String, _
ECHO As ICMP_ECHO_REPLY) As Long

'If Ping succeeds :
'.RoundTripTime = time in ms for the ping to complete,
'.Data is the data returned (NULL terminated)
'.Address is the Ip address that actually replied
'.DataSize is the size of the string in .Data
'.Status will be 0
'If Ping fails .Status will be the error code

Dim hPort As Long
Dim dwAddress As Long

'convert the address into a long representation
dwAddress = inet_addr(sAddress)

'if a valid address..
If dwAddress < INADDR_NONE Then

'open a port
hPort = IcmpCreateFile()

'and if successful,
If hPort Then

'ping it.
Call IcmpSendEcho(hPort, _
dwAddress, _
sDataToSend, _
Len(sDataToSend), _
0, _
ECHO, _
Len(ECHO), _
PING_TIMEOUT)

'return the status as ping succes and close
Ping = ECHO.status
Call IcmpCloseHandle(hPort)

End If

Else
'the address format was probably invalid
Ping = INADDR_NONE

End If

End Function

Private Sub SocketsCleanup()

If WSACleanup() < 0 Then
MsgBox "Windows Sockets error occurred in Cleanup.", vbExclamation
End If

End Sub

Private Function SocketsInitialize() As Boolean

Dim WSAD As WSADATA

SocketsInitialize = WSAStartup(WS_VERSION_REQD, WSAD) = IP_SUCCESS

End Function


'Run this Like this:
'
'ActiveCell.Value = PingComputer(Cells(ActiveCell.Row, 1).Value)



--
HTH...

Jim Thomlinson


"Significent" wrote:

How do I pass the contents of the current cell as a parm to the shell command?

Sub Macro1()
Shell "ping.exe -t Current cell value here as a parm"
End Sub

Thanks!