PreviousSegmentName()

Object: EHL7.EHL7Message

FileName: EHL7.dll

METHOD

Name: PreviousSegmentName()

Parameters:

Returns: String - The name of the 'next' segment object in the HL7 message or Nothing on failure.

Description: Retrieve a segment object name from the current message. 

See Also: AddSegment(), SegmentExists(), SegmentCount(), GetSegment(), PreviousSegment(), SegmentName(), NextSegmentName()

Example:

Private Sub MessageTest()

Dim myVendorObj As New EHL7.HL7Vendors

Dim myMsg As New EHL7.EHL7Message

Dim strVendorID As String

Dim oSegment As Object

Dim i As Long, j As Long

myVendorObj.VendorPath = "C:\EasyHL7"

strVendorID = myVendorObj.GetVendorID("Default","2.3")

If strVendorID = "" Then

    MsgBox myVendorObj.LastError

    Set myVendorObj = Nothing

    Exit Sub

End If

If Not MyVendorObj.OpenVendor(strVendorID) Then

    MsgBox myVendorObj.LastError

    Set myVendorObj = Nothing

    Exit Sub

End If

With myMsg

   Set oSegment = .CreateMessage(myVendorObj)

   If .IsError Then

     MsgBox .LastError

     .ClearErrors

     Exit Sub

   End If

   Call .AddSegment("EVN")

   Call .AddSegment("SCH")

   Call .AddSegment("NTE")

   Call .AddSegment("PID")

   Call .AddSegment("IN1")

   j = .SegmentCount()

   MsgBox .SegmentName(oSegment)

   For i = j To 1 Step -1

       Set oSegment = .GetSegmentByIDX(i)

      If i > 1 Then

      MsgBox .PreviousSegmentName(oSegMent)

      End If

   Next

   If .IsError Then

     MsgBox .LastError

     .ClearErrors

     Exit Sub

   End If

End With

End Sub