..

Emulator/AGVEmulator/Form1.cs

@@ -338,7 +338,7 @@ namespace AGVEmulator
         private void AgvViewer1_TagTouched(object sender, UC.AgvViewer.TagArgs e)
         {
             logAGV.Add($"tag touch:{e.Data}");
-            numericUpDown1.Value = decimal.Parse(e.Data);
+            numericUpDown1.Text = e.Data;// decimal.Parse(e.Data);
             button18.PerformClick();
         }
 
@@ -552,7 +552,12 @@ namespace AGVEmulator
 
         private void button18_Click(object sender, EventArgs e)
         {
-            AGV.SendTag(numericUpDown1.Value.ToString());
+            if(int.TryParse(numericUpDown1.Text, out int tagno))
+            {
+                AGV.SendTag(tagno.ToString());
+                numericUpDown1.SelectAll();
+                numericUpDown1.Focus();
+            }
         }
 
         private void agvViewer1_MouseDown(object sender, MouseEventArgs e)