check point

framework/Inspectron.Settings/Event.cs

@@ -0,0 +1,43 @@
+using System;
+using System.ComponentModel;
+
+namespace Inspectron.Settings
+{
+    public static class Event
+    {
+        public static void Raise(this EventHandler handler, object sender, EventArgs e)
+        {
+            if (handler != null) handler(sender, e);
+        }
+
+        public static void Raise<T>(this EventHandler<T> handler, object sender, T e) where T : EventArgs
+        {
+            if (handler != null) handler(sender, e);
+        }
+
+        public static bool RaiseCancellable(this CancelEventHandler handler, object sender, CancelEventArgs e)
+        {
+            if (handler != null)
+                foreach (CancelEventHandler h in handler.GetInvocationList())
+                {
+                    h(sender, e);
+                    if (e.Cancel) break;
+                }
+
+            return e.Cancel;
+        }
+
+        public static bool RaiseCancellable<T>(this EventHandler<T> handler, object sender, T e)
+            where T : CancelEventArgs
+        {
+            if (handler != null)
+                foreach (EventHandler<T> h in handler.GetInvocationList())
+                {
+                    h(sender, e);
+                    if (e.Cancel) break;
+                }
+
+            return e.Cancel;
+        }
+    }
+}