Add abstract partial GInterfaces classes for custom GInterface code

Author: riccioclista

gtk/ICellLayout.cs

@@ -27,4 +27,12 @@ public partial interface ICellLayout {
 		void SetAttributes (CellRenderer renderer, object[] attrs);
 
 	}
+
+	public abstract partial class CellLayout {
+		
+		public void SetAttributes (CellRenderer renderer, object[] attrs)
+		{
+			adapter.SetAttributes (renderer, attrs);
+		}
+	}
 }

gtk/ITreeModel.cs

@@ -47,4 +47,74 @@ public partial interface ITreeModel {
 
 		event RowsReorderedHandler RowsReordered;
 	}
+
+	public abstract partial class TreeModel {
+
+		/// <summary>IterChildren Method</summary>
+		/// <remarks>To be completed</remarks>
+		public bool IterChildren (out Gtk.TreeIter iter)
+		{
+			return adapter.IterChildren (out iter);
+		}
+
+		/// <summary>IterNChildren Method</summary>
+		/// <remarks>To be completed</remarks>
+		public int IterNChildren ()
+		{
+			return adapter.IterNChildren ();
+		}
+
+		/// <summary>IterNthChild Method</summary>
+		/// <remarks>To be completed</remarks>
+		public bool IterNthChild (out Gtk.TreeIter iter, int n)
+		{
+			return adapter.IterNthChild (out iter, n);
+		}
+
+		public void SetValue (Gtk.TreeIter iter, int column, bool value)
+		{
+			adapter.SetValue (iter, column, value);
+		}
+
+		public void SetValue (Gtk.TreeIter iter, int column, double value)
+		{
+			adapter.SetValue (iter, column, value);
+		}
+
+		public void SetValue (Gtk.TreeIter iter, int column, int value)
+		{
+			adapter.SetValue (iter, column, value);
+		}
+
+		public void SetValue (Gtk.TreeIter iter, int column, string value)
+		{
+			adapter.SetValue (iter, column, value);
+		}
+
+		public void SetValue (Gtk.TreeIter iter, int column, float value)
+		{
+			adapter.SetValue (iter, column, value);
+		}
+
+		public void SetValue (Gtk.TreeIter iter, int column, uint value)
+		{
+			adapter.SetValue (iter, column, value);
+		}
+
+		public void SetValue (Gtk.TreeIter iter, int column, object value)
+		{
+			adapter.SetValue (iter, column, value);
+		}
+
+		public object GetValue (Gtk.TreeIter iter, int column)
+		{
+			return adapter.GetValue (iter, column);
+		}
+
+		public event RowsReorderedHandler RowsReordered
+		{
+			add { adapter.RowsReordered += value; }
+			remove { adapter.RowsReordered -= value; }
+		}
+	}
 }