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TreeListNodes.GetEnumerator() Method

Gets the enumerator used to iterate through the node collection.

Namespace: DevExpress.XtraTreeList.Nodes

Assembly: DevExpress.XtraTreeList.v24.2.dll

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

#Declaration

public IEnumerator GetEnumerator()

#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.

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);
   }
}
See Also