From dca858ff46cc9bbfba6d0ca066a41b5693aa53fb Mon Sep 17 00:00:00 2001
From: Tim Young <tim.young@lightsys.org>
Date: Thu, 17 Aug 2023 10:35:18 -0700
Subject: [PATCH] Update link images if we change the device the link is
 connecting from / to

---
 EduNetworkBuilder/LinkEditor.cs | 32 ++++++++++++++++++++++++++++++--
 1 file changed, 30 insertions(+), 2 deletions(-)

diff --git a/EduNetworkBuilder/LinkEditor.cs b/EduNetworkBuilder/LinkEditor.cs
index f4e4fbd..360df05 100644
--- a/EduNetworkBuilder/LinkEditor.cs
+++ b/EduNetworkBuilder/LinkEditor.cs
@@ -88,11 +88,12 @@ namespace EduNetworkBuilder
             if (lbDstHost.SelectedItem != null)
                 DstHost = lbDstHost.SelectedItem.ToString();
             string SrcNic = "";
+            NetworkDevice Src = null;
             if (lbSrcNic.SelectedItem != null)
             {
+                Src = myNet.DeviceFromName(lbSrcHost.SelectedItem.ToString());
                 SrcNic = lbSrcNic.SelectedItem.ToString();
                 int sNicIndex = lbSrcNic.SelectedIndex;
-                NetworkDevice Src = myNet.DeviceFromName(lbSrcHost.SelectedItem.ToString());
                 NetworkCard sNic = null;
                 if(Src != null) sNic = Src.NicFromName(lbSrcNic.SelectedItem.ToString());
                 if(sNic != null) srcNicType = sNic.GetNicType;
@@ -178,7 +179,34 @@ namespace EduNetworkBuilder
                     lbDstNic.SelectedIndex = tint;
             }
 
-            if(lbDstNic.SelectedIndex > -1 && lbSrcNic.SelectedIndex > -1)
+            if (lbSrcHost.SelectedItem != null)
+            {
+                Src = myNet.DeviceFromName(lbSrcHost.SelectedItem.ToString());
+                pbSource.Image = Src.GetImage();
+                pbSource.Invalidate();
+            }
+            else
+            {
+                pbSource.Image = null;
+                pbSource.Invalidate();
+            }
+
+            if (lbDstHost.SelectedItem != null)
+            {
+                NetworkDevice Dest = myNet.DeviceFromName(lbDstHost.SelectedItem.ToString());
+                if (Dest != null)
+                {
+                    pbDest.Image = Dest.GetImage();
+                    pbDest.Invalidate();
+                }
+            }
+            else
+            {
+                pbDest.Image = null;
+                pbDest.Invalidate();
+            }
+
+            if (lbDstNic.SelectedIndex > -1 && lbSrcNic.SelectedIndex > -1)
             {
                 btnLink.Enabled = true;
             }