fixed bug about parameters

TinyStuff · Apr 21, 2021 · 72932ee · 72932ee
1 parent 1b47a95
commit 72932ee
Showing 1 changed file with 6 additions and 1 deletion.
diff --git a/src/TinyMvvm.Forms/NavigationHelper/ShellNavigationHelper.cs b/src/TinyMvvm.Forms/NavigationHelper/ShellNavigationHelper.cs
@@ -30,8 +30,13 @@ public void RegisterRoute(string route, Type type)
             }
         }
 
-        internal Dictionary<string, string> GetQueryParameters(string tinyId)
+        internal Dictionary<string, string>? GetQueryParameters(string tinyId)
         {
+            if(!queries.ContainsKey(tinyId))
+            {
+                return null;
+            }
+
             var query = queries[tinyId];
 
             var values = query.Split('&');