Imports Infragistics.Windows.DockManager
Imports Infragistics.Windows.DockManager.Events
Private Sub XamDockManager_PaneDragEnded(ByVal sender As Object, ByVal e As PaneDragEndedEventArgs)
' the PaneDragEnded event is fired when the drag operation
' completes and provides the list of panes that were dragged.
Dim sb As New System.Text.StringBuilder()
' you can see the panes that are being dragged
For Each pane As ContentPane In e.Panes
sb.Append(pane.Header)
sb.Append(",")
Next
System.Diagnostics.Debug.WriteLine(sb.ToString(), "PaneDragEnded")
End Sub