GetLastMessage
This MQTT function retrieves the last message (filtered by topic ) from to the MQTT broker.
Group: MQTT Object
Syntax: Private Sub oMQTT_OnMessageArrived(ByVal Topic As String, ByVal Message As String)
Example:
Private Sub btnCheckSub_Click()
On Error Resume Next
Dim sReturn As String
sReturn = moClient.GetLastMessage(txtTopic.Text)
App.MsgBox("Last payload in topic: " & txtTopic.Text & "\n" & sReturn)
End Sub
Versions Supported: RFgen 5.1.1.35 and 5.2.3 and newer.