TreeListNodes.GetEnumerator() Method

Gets the enumerator used to iterate through the node collection.

Namespace: DevExpress.XtraTreeList.Nodes

Assembly: DevExpress.XtraTreeList.v23.2.dll

NuGet Packages: DevExpress.Win.Navigation, DevExpress.Win.TreeList

Declaration

C#

public IEnumerator GetEnumerator()

VB.NET

Public Function GetEnumerator As IEnumerator

Returns

Type	Description
IEnumerator	An enumerator through which the node collection can be iterated.

Remarks

For more information see the IEnumerator Interface topic in the .NET Framework Class Library.

Example

The following example iterates through root nodes of the Tree List and changes the “Budget” column value for the “Sales and Marketing” department.TreeListColumn instances are used as column identifiers in the TreeListNode.GetDisplayText, TreeListNode.GetValue and TreeListNode.SetValue methods.

C#

IEnumerator en = treeList1.Nodes.GetEnumerator();
TreeListColumn columnDep = treeList1.Columns["Department"];
TreeListColumn columnBudget = treeList1.Columns["Budget"];
while (en.MoveNext()) {
   TreeListNode childNode = (TreeListNode)en.Current;
   if(childNode.GetDisplayText(columnDep) == "Sales and Marketing") {
      decimal newBudget = (decimal)childNode.GetValue(columnBudget) / 2;
      childNode.SetValue(columnBudget, newBudget);
   }
}

VB.NET

Dim en As IEnumerator = TreeList1.Nodes.GetEnumerator()
Dim ColumnDep As TreeListColumn = TreeList1.Columns("Department")
Dim ColumnBudget As TreeListColumn = TreeList1.Columns("Budget")
While en.MoveNext() = True
   Dim ChildNode As TreeListNode = CType(en.Current, TreeListNode)
   If ChildNode.GetDisplayText(ColumnDep) = "Sales and Marketing" Then
      Dim NewBudget As Decimal = CType(ChildNode.GetValue(ColumnBudget), Decimal) / 2
      ChildNode.SetValue(ColumnBudget, NewBudget)
   End If
End While