Exemplo n.º 1
0
        /// <summary>
        /// Return a delegate which can be added to the targetProperty
        /// </summary>
        /// <returns>An event hander, which, when invoked, will invoke the action</returns>
        public Delegate GetDelegate()
        {
            Delegate del = null;

            foreach (var invokeCommandMethodInfo in invokeCommandMethodInfos)
            {
                del = Delegate.CreateDelegate(this.eventHandlerType, this, invokeCommandMethodInfo, false);
                if (del != null)
                {
                    break;
                }
            }

            if (del == null)
            {
                var msg = String.Format("Event being bound to does not have a signature we know about. Method {0} on target {1}. Valid signatures are:" +
                                        "Valid signatures are:\n" +
                                        " - '(object sender, EventArgsOrSubclass e)'\n" +
                                        " - '(object sender, DependencyPropertyChangedEventArgs e)'", this.MethodName, this.Target);
                var e = new ActionEventSignatureInvalidException(msg);
                logger.Error(e);
                throw e;
            }

            return(del);
        }
Exemplo n.º 2
0
        /// <summary>
        /// Return a delegate which can be added to the targetProperty
        /// </summary>
        /// <returns>An event hander, which, when invoked, will invoke the action</returns>
        public Delegate GetDelegate()
        {
            Delegate del = null;
            foreach (var invokeCommandMethodInfo in invokeCommandMethodInfos)
            {
                del = Delegate.CreateDelegate(this.eventHandlerType, this, invokeCommandMethodInfo, false);
                if (del != null)
                    break;
            }

            if (del == null)
            {
                var msg = String.Format("Event being bound to does not have a signature we know about. Method {0} on target {1}. Valid signatures are:" +
                    "Valid signatures are:\n" +
                    " - '(object sender, EventArgsOrSubclass e)'\n" +
                    " - '(object sender, DependencyPropertyChangedEventArgs e)'", this.MethodName, this.Target);
                var e = new ActionEventSignatureInvalidException(msg);
                logger.Error(e);
                throw e;
            }

            return del;
        }