Beispiel #1
0
        /// <summary>
        /// Attempts to call the page method by name
        /// </summary>
        /// <param name="name">The name of the method to call</param>
        /// <remarks>
        /// In order to call the method a few things have to be true.
        /// 1) The method must be non-private and non-static
        /// 2) The method must be adornded with the QueryCallVisible attribute
        /// 3) The Call event must not return with the Cancel property true
        /// </remarks>
        private void TryCallMethod(String name)
        {
            MethodInfo method = page.GetType().GetMethod(name, BindingFlags.Instance | BindingFlags.IgnoreCase | BindingFlags.Public | BindingFlags.NonPublic);

            if (method != null)
            {
                Attribute attr = Attribute.GetCustomAttribute(method, typeof(QueryCallVisibleAttribute), true);
                if (attr != null)
                {
                    QueryCallEventArgs e = new QueryCallEventArgs(name, false);
                    OnCall(e);
                    if (!e.Cancel)
                    {
                        currentMethod = name;
                        method.Invoke(page, null);
                        currentMethod = String.Empty;
                    }
                }
                else
                {
                    page.Trace.Write("QueryCall", "Attempted call to method '" + name + "', but that method does not have the QueryCallVisibleAttribute on it.");
                }
            }
            else
            {
                page.Trace.Write("QueryCall", "Attempted call to to method '" + name + "', but no method found.");
            }
        }
Beispiel #2
0
 /// <summary>
 /// raises the Call event
 /// </summary>
 protected virtual void OnCall(QueryCallEventArgs e)
 {
     if (this.Call != null)
     {
         this.Call(this, e);
     }
 }