diff --git a/ChangeLog b/ChangeLog
index 398f5f51e..55e2b61d0 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,12 @@
+2008-08-19  Brad Taylor  <brad@getcoded.net>
+	
+	* atk/Object.custom: Add method to allow emission of
+	  visible-data-changed signal.
+
+	* atk/TextChangedDetail.cs: 
+	* atk/TextAdapter.custom: Add method to allow emission of text-changed
+	  signal.
+
 2008-08-13  Mike Kestner  <mkestner@novell.com>
 
 	* atk/Atk.metadata: switch Value methods to ref params since atk
diff --git a/atk/Makefile.am b/atk/Makefile.am
index bf94b8035..8b7ea6379 100644
--- a/atk/Makefile.am
+++ b/atk/Makefile.am
@@ -5,12 +5,14 @@ METADATA = Atk.metadata
 SYMBOLS =
 references = ../glib/glib-sharp.dll
 
-sources = 
+sources = 			\
+	TextChangedDetail.cs
 
 customs =			\
 	Global.custom		\
 	Misc.custom		\
 	Object.custom		\
+	TextAdapter.custom	\
 	Util.custom
 
 add_dist =
diff --git a/atk/Object.custom b/atk/Object.custom
index f56ae6842..67447c1ba 100644
--- a/atk/Object.custom
+++ b/atk/Object.custom
@@ -104,7 +104,11 @@
 			Add,
 			Remove
 		}
-		
+
+		protected void EmitVisibleDataChanged ()
+		{
+			GLib.Signal.Emit (this, "visible-data-changed");
+		}
 		
 		[DllImport("atksharpglue-2")]
 		static extern void atksharp_object_override_ref_state_set (IntPtr type, RefStateSetDelegate cb);
diff --git a/atk/TextAdapter.custom b/atk/TextAdapter.custom
new file mode 100644
index 000000000..a39ca5a12
--- /dev/null
+++ b/atk/TextAdapter.custom
@@ -0,0 +1,29 @@
+// TextAdapter.custom - Atk TextAdapter class customizations
+//
+// Author: Brad Taylor <brad@getcoded.net>
+//
+// Copyright (c) 2008 Novell, Inc.
+//
+// This code is inserted after the automatically generated code.
+//
+//
+// This program is free software; you can redistribute it and/or
+// modify it under the terms of version 2 of the Lesser GNU General 
+// Public License as published by the Free Software Foundation.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+// Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public
+// License along with this program; if not, write to the
+// Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+// Boston, MA 02111-1307, USA.
+		
+		public void EmitTextChanged (TextChangedDetail detail, int position, int length)
+		{
+			GLib.Signal.Emit (GLib.Object.GetObject (Handle),
+			                  "text_changed::" + detail.ToString ().ToLower (),
+			                  position, length);
+		}
diff --git a/atk/TextChangedDetail.cs b/atk/TextChangedDetail.cs
new file mode 100644
index 000000000..8b1de132d
--- /dev/null
+++ b/atk/TextChangedDetail.cs
@@ -0,0 +1,26 @@
+// TextChangedDetail.cs - Detail enumeration for the TextChanged signal
+//
+// Authors: Brad Taylor <brad@getcoded.net>
+//
+// Copyright (c) 2008 Novell, Inc.
+//
+// This program is free software; you can redistribute it and/or
+// modify it under the terms of version 2 of the Lesser GNU General 
+// Public License as published by the Free Software Foundation.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+// Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public
+// License along with this program; if not, write to the
+// Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+// Boston, MA 02111-1307, USA.
+
+namespace Atk {
+	public enum TextChangedDetail {
+		Insert,
+		Delete
+	}
+}
diff --git a/glib/Value.cs b/glib/Value.cs
index b5ac589f0..d474bd463 100755
--- a/glib/Value.cs
+++ b/glib/Value.cs
@@ -380,6 +380,8 @@ namespace GLib {
 					return (GLib.Object) this;
 				else if (g_type_is_a (type, GType.Boxed.Val))
 					return ToBoxed ();
+				else if (type == IntPtr.Zero)
+					return null;
 				else
 					throw new Exception ("Unknown type " + new GType (type).ToString ());
 			}