--- a/Implab.Fx/ControlBoundPromise.cs	Fri Feb 12 16:24:24 2016 +0300
+++ b/Implab.Fx/ControlBoundPromise.cs	Mon Feb 15 04:22:15 2016 +0300
@@ -12,27 +12,12 @@
             m_target = target;
         }
 
-        protected override void SignalSuccess(Promise<T>.HandlerDescriptor handler) {
+        protected override void SignalHandler(HandlerDescriptor handler, int signal) {
             if (m_target.InvokeRequired)
-                m_target.BeginInvoke(new Action<Promise<T>.HandlerDescriptor>(base.SignalSuccess), handler);
-            else
-                base.SignalSuccess(handler);
-        }
-
-        protected override void SignalCancelled(Promise<T>.HandlerDescriptor handler, Exception reason) {
-            if (m_target.InvokeRequired)
-                m_target.BeginInvoke(new Action<Promise<T>.HandlerDescriptor,Exception>(base.SignalCancelled), handler, reason);
+                m_target.BeginInvoke(new Action<Promise<T>.HandlerDescriptor, int>(base.SignalHandler), handler, signal);
             else
-                base.SignalCancelled(handler, reason);
+                base.SignalHandler(handler, signal);
         }
-
-        protected override void SignalError(Promise<T>.HandlerDescriptor handler, Exception error) {
-            if (m_target.InvokeRequired)
-                m_target.BeginInvoke(new Action<Promise<T>.HandlerDescriptor,Exception>(base.SignalError), handler, error);
-            else
-                base.SignalError(handler, error);
-        }
-
     }
 }