TreeListColumnCollection.ForEach(Action<TreeListColumn>) Method

Executes the specified action on each element of the collection.

Namespace: DevExpress.XtraTreeList.Columns

Assembly: DevExpress.XtraTreeList.v21.2.dll

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

Declaration

C#

public void ForEach(
    Action<TreeListColumn> action
)

VB.NET

Public Sub ForEach(
    action As Action(Of TreeListColumn)
)

Parameters

Name	Type	Description
action	Action<TreeListColumn>	The delegate to execute on each element of the collection.

Example

The code below converts all column headers to uppercase.

C#

treeList1.Columns.ForEach(column => column.Caption.ToUpper());

VB.NET

treeList1.Columns.ForEach(Sub(column) column.Caption.ToUpper())