Imports Infragistics.Win
Imports Infragistics.Win.Layout
Imports Infragistics.Win.UltraWinTree
Private Function VerifyColumn(ByVal column As UltraTreeNodeColumn) As Boolean
If column.ColumnSet Is Nothing Or column.Control Is Nothing Then
Return False
End If
If column.ParentColumnsCollection Is Nothing Then Return False
Return True
End Function