Skip polling if disconnected

ClassicDIY · Aug 11, 2024 · 880264d · 880264d
1 parent b7e9237
commit 880264d
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/ModbusMaster/MasterForm.cs b/ModbusMaster/MasterForm.cs
@@ -272,6 +272,10 @@ private void cbPoll_CheckStateChanged(object sender, EventArgs e)
 
         private void pollTimer_Tick(object sender, EventArgs e)
         {
+            // disconnected state, skip
+            if (groupBoxFunctions.Enabled == false)
+                return;
+
             if (_lastReadCommand != 0)
                 ExecuteReadCommand(_lastReadCommand);
         }