2006-01-04 Carlos Alberto Cortez <calberto.cortez@gmail.com>

	* ColumnHeader.cs:
	* ListView.cs: Implement 2.0 ColumnHeader.DisplayIndex
	property by using the internal information of the
	columns order in ListView.


svn path=/trunk/mcs/; revision=70497

1 files changed, 14 insertions, 2 deletions

diff --git a/mcs/class/Managed.Windows.Forms/System.Windows.Forms/ColumnHeader.cs b/mcs/class/Managed.Windows.Forms/System.Windows.Forms/ColumnHeader.cs
index c287171ebc8..807c0f6a794 100644
--- a/mcs/class/Managed.Windows.Forms/System.Windows.Forms/ColumnHeader.cs
+++ b/mcs/class/Managed.Windows.Forms/System.Windows.Forms/ColumnHeader.cs
@@ -170,8 +170,20 @@ namespace System.Windows.Forms
 		[Localizable (true)]
 		[RefreshProperties (RefreshProperties.Repaint)]
 		public int DisplayIndex {
-			get { throw new NotImplementedException (); }
-			set { throw new NotImplementedException (); }
+			get {
+				if (owner == null)
+					return -1;
+					
+				return owner.GetReorderedColumnIndex (this);
+		       	}
+			set {
+				if (owner == null)
+					return;
+				if (value < 0 || value >= owner.Columns.Count)
+					throw new ArgumentOutOfRangeException ("value");
+
+				owner.ReorderColumn (this, value);
+			}
 		}
 
 		[DefaultValue (-1)]