Fix UI issues when using web search plugin with suggestions

Plugins/Wox.Plugin.WebSearch/EasyTimer.cs

@@ -0,0 +1,43 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+
+namespace Wox.Plugin.WebSearch
+{
+    public static class EasyTimer
+    {
+        public static IDisposable SetInterval(Action method, int delayInMilliseconds)
+        {
+            System.Timers.Timer timer = new System.Timers.Timer(delayInMilliseconds);
+            timer.Elapsed += (source, e) =>
+            {
+                method();
+            };
+
+            timer.Enabled = true;
+            timer.Start();
+
+            // Returns a stop handle which can be used for stopping
+            // the timer, if required
+            return timer as IDisposable;
+        }
+
+        public static IDisposable SetTimeout(Action method, int delayInMilliseconds)
+        {
+            System.Timers.Timer timer = new System.Timers.Timer(delayInMilliseconds);
+            timer.Elapsed += (source, e) =>
+            {
+                method();
+            };
+
+            timer.AutoReset = false;
+            timer.Enabled = true;
+            timer.Start();
+
+            // Returns a stop handle which can be used for stopping
+            // the timer, if required
+            return timer as IDisposable;
+        }
+    }
+}