Fix BornToBeRoot#392, check if null (BornToBeRoot#409)

BornToBeRoot · web-flow · commit c3e8b1d543e5 · 2020-12-20T01:12:51.000+01:00
Co-authored-by: BornToBeRoot &lt;BornToBeRoot@users.noreply.github.com&gt;
diff --git a/Source/NETworkManager.Models/Export/ExportManager.cs b/Source/NETworkManager.Models/Export/ExportManager.cs
@@ -718,7 +718,7 @@ public static void CreateJSON(ObservableCollection<HostInfo> collection, string
                 {
                     IPAddress = collection[i].PingInfo.IPAddress.ToString(),
                     collection[i].Hostname,
-                    MACAddress = collection[i].MACAddress.ToString(),
+                    MACAddress = collection[i].MACAddress?.ToString(),
                     collection[i].Vendor,
                     collection[i].PingInfo.Bytes,
                     Time = Ping.TimeToString(collection[i].PingInfo.Status, collection[i].PingInfo.Time, true),

Original file line number	Diff line number	Diff line change
`@@ -718,7 +718,7 @@ public static void CreateJSON(ObservableCollection<HostInfo> collection, string`
`718`	`718`	`{`
`719`	`719`	`IPAddress = collection[i].PingInfo.IPAddress.ToString(),`
`720`	`720`	`collection[i].Hostname,`
`721`		`- MACAddress = collection[i].MACAddress.ToString(),`
	`721`	`+ MACAddress = collection[i].MACAddress?.ToString(),`
`722`	`722`	`collection[i].Vendor,`
`723`	`723`	`collection[i].PingInfo.Bytes,`
`724`	`724`	`Time = Ping.TimeToString(collection[i].PingInfo.Status, collection[i].PingInfo.Time, true),`