Revert "File scoped namespaces"

This reverts commit d31d8f574e.

Wino.Core.UWP/Activation/ActivationHandler.cs

@@ -1,36 +1,37 @@
 using System.Threading.Tasks;
 
-namespace Wino.Activation;
-
-public abstract class ActivationHandler
+namespace Wino.Activation
 {
-    public abstract bool CanHandle(object args);
-
-    public abstract Task HandleAsync(object args);
-}
-
-// Extend this class to implement new ActivationHandlers
-public abstract class ActivationHandler<T> : ActivationHandler
-    where T : class
-{
-    // Override this method to add the activation logic in your activation handler
-    protected abstract Task HandleInternalAsync(T args);
-
-    public override async Task HandleAsync(object args)
+    public abstract class ActivationHandler
     {
-        await HandleInternalAsync(args as T);
+        public abstract bool CanHandle(object args);
+
+        public abstract Task HandleAsync(object args);
     }
 
-    public override bool CanHandle(object args)
+    // Extend this class to implement new ActivationHandlers
+    public abstract class ActivationHandler<T> : ActivationHandler
+        where T : class
     {
-        // CanHandle checks the args is of type you have configured
-        return args is T && CanHandleInternal(args as T);
-    }
+        // Override this method to add the activation logic in your activation handler
+        protected abstract Task HandleInternalAsync(T args);
 
-    // You can override this method to add extra validation on activation args
-    // to determine if your ActivationHandler should handle this activation args
-    protected virtual bool CanHandleInternal(T args)
-    {
-        return true;
+        public override async Task HandleAsync(object args)
+        {
+            await HandleInternalAsync(args as T);
+        }
+
+        public override bool CanHandle(object args)
+        {
+            // CanHandle checks the args is of type you have configured
+            return args is T && CanHandleInternal(args as T);
+        }
+
+        // You can override this method to add extra validation on activation args
+        // to determine if your ActivationHandler should handle this activation args
+        protected virtual bool CanHandleInternal(T args)
+        {
+            return true;
+        }
     }
 }