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Visual Basic / NT Samples / Get Time from Remote Server

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Added: 2002-08-19

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Get Time from Remote Server

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Snippet By: John Timney

Snippet By:	John Timney
Declarations
Highlight AllOption Explicit Private Declare Function NetRemoteTOD Lib "NETAPI32.DLL" _ (ByVal server As String, buffer As Any) As Long Private Declare Function NetApiBufferFree Lib "NETAPI32.DLL" _ (ByVal buffer As Long) As Long Private Declare Sub CopyMemory Lib "KERNEL32" Alias "RtlMoveMemory" _ (hpvDest As Any, hpvSource As Any, ByVal cbCopy As Long) Private Type TIME_OF_DAY t_elapsedt As Long t_msecs As Long t_hours As Long t_mins As Long t_secs As Long t_hunds As Long t_timezone As Long t_tinterval As Long t_day As Long t_month As Long t_year As Long t_weekday As Long End Type
Code
Highlight AllPrivate Sub Command1_Click() Dim t As TIME_OF_DAY Dim tPtr As Long Dim res As Long Dim szServer As String, Dim days As Date Dim todays As Date ' ' Replace \ntsig with your NT server that you want to get the time from ' szServer = StrConv("\ntsig", vbUnicode) 'Convert the server name to unicode res = NetRemoteTOD(szServer, tPtr) 'You could also pass vbNullString for the server name If res = 0 Then CopyMemory t, ByVal tPtr, Len(t) 'Copy the pointer returned to a TIME_OF_DAY structure days = DateSerial(70, 1, 1) + (t.t_elapsedt / 60 / 60 / 24) 'Convert the elapsed time since 1/1/70 to a date days = days - (t.t_timezone / 60 / 24) 'Adjust for TimeZone differences 'Get local computer information for comparison todays = DateSerial(70, 1, 1) + (DateDiff("s", DateSerial(70, 1, 1), Now()) / 60 / 60 / 24) Me.Cls Print DateDiff("s", DateSerial(70, 1, 1), Now()), todays, t.t_elapsedt, days NetApiBufferFree (tPtr) 'Free the memory at the pointer Else MsgBox "Error occurred Call NetRemoteTOD: " & res, vbOKOnly, "NetRemoteTOD" 'Error 53: cannot find server End If End Sub

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