[Gtk] Code improvements

sevoku · Therzok · web-flow · commit 80f1629cff8b · 2019-12-18T09:03:12.000-05:00
Co-Authored-By: Marius Ungureanu &lt;marius.ungureanu@xamarin.com&gt;
diff --git a/Xwt.Gtk/Xwt.GtkBackend/ComboBoxEntryBackend.cs b/Xwt.Gtk/Xwt.GtkBackend/ComboBoxEntryBackend.cs
@@ -38,7 +38,7 @@ public bool Completes
 		{
 			get
 			{
-				if (Widget?.Model == null)
+				if (Widget.Model == null)
 					return completes;
 				return entryBackend.TextEntry?.Completion?.Model == Widget.Model;
 			}
@@ -120,7 +120,7 @@ class CustomComboEntryBackend: TextEntryBackend
 	{
 		public CustomComboEntryBackend (Gtk.Entry entry)
 		{
-			Widget = entry;
+			Widget = entry ?? throw new ArgumentNullException (nameof (entry));
 		}
 		
 		public override void Initialize ()
@@ -129,4 +129,3 @@ public override void Initialize ()
 		}
 	}
 }
-

Original file line number	Diff line number	Diff line change
`@@ -38,7 +38,7 @@ public bool Completes`
`38`	`38`	`{`
`39`	`39`	`get`
`40`	`40`	`{`
`41`		`- if (Widget?.Model == null)`
	`41`	`+ if (Widget.Model == null)`
`42`	`42`	`return completes;`
`43`	`43`	`return entryBackend.TextEntry?.Completion?.Model == Widget.Model;`
`44`	`44`	`}`
`@@ -120,7 +120,7 @@ class CustomComboEntryBackend: TextEntryBackend`
`120`	`120`	`{`
`121`	`121`	`public CustomComboEntryBackend (Gtk.Entry entry)`
`122`	`122`	`{`
`123`		`- Widget = entry;`
	`123`	`+ Widget = entry ?? throw new ArgumentNullException (nameof (entry));`
`124`	`124`	`}`
`125`	`125`
`126`	`126`	`public override void Initialize ()`
`@@ -129,4 +129,3 @@ public override void Initialize ()`
`129`	`129`	`}`
`130`	`130`	`}`
`131`	`131`	`}`
`132`		`-`