[gtkmm] TreeViewColumn: Added get_button().

[Murray Cumming <murrayc src gnome org>]

commit 34076175b2676aaba0ee1857823b58479beb32e5
Author: Murray Cumming <murrayc murrayc com>
Date:   Tue Dec 21 10:16:33 2010 +0100

    TreeViewColumn: Added get_button().
    
    	* gtk/src/treeviewcolumn.hg: Wrap gtk_tree_view_column_get_button().

 ChangeLog                 |    6 ++++++
 gtk/src/treeviewcolumn.hg |    5 ++++-
 2 files changed, 10 insertions(+), 1 deletions(-)
---
diff --git a/ChangeLog b/ChangeLog
index f08a099..8327f80 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,11 @@
 2010-12-21  Murray Cumming  <murrayc murrayc com>
 
+	TreeViewColumn: Added get_button().
+
+	* gtk/src/treeviewcolumn.hg: Wrap gtk_tree_view_column_get_button().
+
+2010-12-21  Murray Cumming  <murrayc murrayc com>
+
 	CellArea, CellAreaBox, CellAreaContext: Added methods.
 
 	* gtk/src/cellarea.hg:
diff --git a/gtk/src/treeviewcolumn.hg b/gtk/src/treeviewcolumn.hg
index 82b4ed5..e20cdb4 100644
--- a/gtk/src/treeviewcolumn.hg
+++ b/gtk/src/treeviewcolumn.hg
@@ -20,7 +20,7 @@
 _CONFIGINCLUDE(gtkmmconfig.h)
 
 #include <gtkmm/treeiter.h>
-#include <gtkmm/widget.h>
+#include <gtkmm/button.h>
 #include <gdkmm/window.h>
 #include <gtkmm/treemodel.h>
 #include <gtkmm/celllayout.h>
@@ -202,6 +202,9 @@ public:
   _WRAP_METHOD(TreeView* get_tree_view(), gtk_tree_view_column_get_tree_view, refreturn)
   _WRAP_METHOD(const TreeView* get_tree_view() const, gtk_tree_view_column_get_tree_view, refreturn, constversion)
 
+  _WRAP_METHOD(Button* get_button(), gtk_tree_view_column_get_button, refreturn)
+  _WRAP_METHOD(const Button* get_button() const, gtk_tree_view_column_get_button, refreturn, constversion)
+  
   _WRAP_SIGNAL(void clicked(), "clicked")
 
   _WRAP_PROPERTY("visible", bool)