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See if this works:

   Private Sub ModbusTCPCom1_ConnectionEstablished(sender As Object, e As EventArgs) Handles ModbusTCPCom1.ConnectionEstablished
         Label1.Visible = True
    End Sub

    Private Sub ModbusTCPCom1_ComError(sender As Object, e As Drivers.Common.PlcComEventArgs) Handles ModbusTCPCom1.ComError
        Label1.Visible = False
    End Sub
What driver are you using?

How can I set an item to be invisible if the is no communication with the PLC it is related to?
Open Discussion / Using inner tag for visibility condition
« Last post by mr14 on Today at 02:35:46 AM »

Is it possible to create an inner tag so that tag will be the condition for an element to be visible or not?
In the elemnt properties I only see a PLC address for visibility
Support Questions / Re: Subscribe Method
« Last post by PJonHar on May 26, 2017, 06:35:52 AM »
Hi Archie,

I am using the ClxDriverV111R766.
Support Questions / Re: Message Display By Value
« Last post by Phrog30 on May 24, 2017, 01:23:07 PM »
Update, nothing I did changed the outcome.  However, I think I have at least figured out the problem area.  If I drop a listbox, button, etc. on this form, text starts off white.  All other forms will be black.  So, I'm sure whatever is causing this text color change is screwing up the message component.  I went through the code (for the form) and don't see anything that would cause the text color to change automatically.  Anyone have any ideas?
Support Questions / Re: AdvancedHMI and Deep Freeze
« Last post by Sprungmonkey on May 23, 2017, 07:13:43 AM »
Please specify what settings you mean.
Support Questions / Re: Subscribe Method
« Last post by Archie on May 23, 2017, 05:57:27 AM »
What driver and what version are you using?
Support Questions / Re: AdvancedHMI and Deep Freeze
« Last post by fvandal on May 23, 2017, 05:16:31 AM »
Does anyone know if i would need to protect the registry key to prevent the setting of advanced HMI to get back to their previous state?
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