diff --git a/PROMS/Volian.Controls.Library/DisplayTabControl.cs b/PROMS/Volian.Controls.Library/DisplayTabControl.cs
index 839c2b65..1bcfc570 100644
--- a/PROMS/Volian.Controls.Library/DisplayTabControl.cs
+++ b/PROMS/Volian.Controls.Library/DisplayTabControl.cs
@@ -19,6 +19,11 @@ namespace Volian.Controls.Library
 		{
 			if (ToggleRibbonExpanded != null) ToggleRibbonExpanded(sender,args);
 		}
+		public event DisplayTabControlEvent SelectedDisplayTabItemChanged;
+		public void OnSelectedDisplayTabItemChanged(object sender, EventArgs args)
+		{
+			if (SelectedDisplayTabItemChanged != null)SelectedDisplayTabItemChanged(sender, args);
+		}
 		#region Private Fields
 		/// <summary>
 		/// This is a lookup table for all of the DisplayTabItems that are currently open
@@ -614,6 +619,7 @@ namespace Volian.Controls.Library
 					if (_SelectedDisplayTabItem != null && _SelectedDisplayTabItem.MyDSOTabPanel != null)
 						_SelectedDisplayTabItem.MyDSOTabPanel.InActive();
 					_SelectedDisplayTabItem = value;
+					OnSelectedDisplayTabItemChanged(this, new EventArgs());
 				}
 			}
 		}