- add RaiseGBaseEntryRemoved method

GBase.Api/NotifyGBaseEntryChanged.cs

@@ -27,6 +27,15 @@ namespace GBase.Api
             GBaseEntryChanged?.BeginInvoke(entry, new GBaseEntryChangedEventArgs(columnName, value), GBaseEntryChangedCallback, null);
         }
 
+        /// <summary>
+        /// Raise the GBaseEntry removed (<see cref="GBaseEntryChanged"/> event without args)
+        /// </summary>
+        /// <param name="entry">The entry (sender)</param>
+        protected void RaiseGBaseEntryRemoved(object entry)
+        {
+            GBaseEntryChanged?.BeginInvoke(entry, null, GBaseEntryChangedCallback, null);
+        }
+
         /// <summary>
         /// Callback for the <see cref="GBaseEntryChanged"/> event
         /// </summary>