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Imports OPC = SAOPCAutomation
Public Class Form1
Dim oOFS As New OPC.OPCServer
Dim WithEvents oGrp1 As OPC.OPCGroup
Dim oItem1 As OPC.OPCItem
Private Sub Bt_connexion_Click(sender As Object, e As EventArgs) Handles Bt_connexion.Click
oOFS.Connect("Schneider-Aut.OFS")
If oOFS.ServerState = 1 Then
MsgBox("Connection OK")
Else
MsgBox("Défaut connection")
Exit Sub
End If
End Sub
Private Sub Bt_adGroup_Click(sender As Object, e As EventArgs) Handles Bt_adGroup.Click
oGrp1 = oOFS.OPCGroups.Add("MonGroupe")
oGrp1.IsSubscribed = True
End Sub
Private Sub Bt_addItem_Click(sender As Object, e As EventArgs) Handles Bt_addItem.Click
oItem1 = oGrp1.OPCItems.AddItem("RFID!var1", 1)
'Ajout d'un deuxiéme Item
'Le 3° paramétre est "ClientHandle" , identifiant de type long géré par l'application
oGrp1.OPCItems.AddItem("RFID!var2", 2)
End Sub
Private Sub oGrp1_DataChange(ByVal TransactionID As Long, ByVal NumItems As Long, ClientHandles() As Long, ItemValues() As Object, Qualities() As Long, TimeStamps() As Date)
Dim i As Integer
For i = 1 To NumItems
Select Case ClientHandles(i)
Case 1 ' ClientHandle utilisé lors de l'ajout Item var1
TXB_var1.Text = ItemValues(i)
Case 2 ' ClientHandle utilisé lors de l'ajout de l'item var2
TXB_var2 = ItemValues(i)
End Select
Next
End Sub
End Class |
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