Common/GridBuilder: add SetDateTimeColumns for TreeList

GUIs.Common/GridBuilder.vb

@@ -5,6 +5,7 @@ Imports DevExpress.Utils
 Imports DevExpress.XtraGrid.Columns
 Imports DevExpress.XtraGrid.Views.Grid
 Imports DevExpress.XtraTreeList
+Imports DevExpress.XtraTreeList.Columns
 
 Public Class GridBuilder
     Private ReadOnly EvenRowBackColor = Color.Gainsboro
@@ -81,12 +82,36 @@ Public Class GridBuilder
             ToList()
 
         For Each oDateCol In oDateColumns
-            oDateCol.DisplayFormat.FormatType = FormatType.Custom
+            SetDateTimeColumn(oDateCol)
-            oDateCol.DisplayFormat.FormatString = "g"
-            oDateCol.DisplayFormat.Format = DateTimeFormatInfo.CurrentInfo
         Next
     End Sub
 
+    Public Sub SetDateTimeColumns(pTreeList As TreeList)
+        If pTreeList.Columns Is Nothing Then
+            Exit Sub
+        End If
+
+        Dim oDateColumns = pTreeList.Columns.AsEnumerable.
+            Where(Function(column As TreeListColumn) column.ColumnType = GetType(Date)).
+            ToList()
+
+        For Each oDateCol In oDateColumns
+            SetDateTimeColumn(oDateCol)
+        Next
+    End Sub
+
+    Private Sub SetDateTimeColumn(pColumn As GridColumn)
+        pColumn.DisplayFormat.FormatType = FormatType.Custom
+        pColumn.DisplayFormat.FormatString = "g"
+        pColumn.DisplayFormat.Format = DateTimeFormatInfo.CurrentInfo
+    End Sub
+
+    Private Sub SetDateTimeColumn(pColumn As TreeListColumn)
+        pColumn.Format.FormatType = FormatType.Custom
+        pColumn.Format.FormatString = "g"
+        pColumn.Format.Format = DateTimeFormatInfo.CurrentInfo
+    End Sub
+
     ''' <summary>
     ''' Applies common properties to all GridViews
     ''' </summary>