バージョン

SortedColumns プロパティ (BeforeSortChangeEventArgs)

並べ替えられる UltraTreeNodeColumn オブジェクトを表す SortedColumnsCollection インスタンスを返します。
シンタックス
'宣言
 
Public ReadOnly Property SortedColumns As SortedColumnsCollection
public SortedColumnsCollection SortedColumns {get;}
使用例
Imports Infragistics.Win
Imports Infragistics.Win.Layout
Imports Infragistics.Win.UltraWinTree

    Private Sub ultraTree1_AfterSortChange(ByVal sender As Object, ByVal e As Infragistics.Win.UltraWinTree.AfterSortChangeEventArgs) Handles ultraTree1.AfterSortChange
        Debug.WriteLine("Column '" + e.OriginalSortedColumns(0).TextResolved + "' was sorted.")
    End Sub

    Private Sub ultraTree1_BeforeSortChange(ByVal sender As Object, ByVal e As Infragistics.Win.UltraWinTree.BeforeSortChangeEventArgs) Handles ultraTree1.BeforeSortChange
        '   Disallow sorting more than one column
        If e.SortedColumns.Count > 1 Then e.Cancel = True
    End Sub
using Infragistics.Win;
using Infragistics.Win.Layout;
using Infragistics.Win.UltraWinTree;
using System.Diagnostics;

		private void ultraTree1_AfterSortChange(object sender, Infragistics.Win.UltraWinTree.AfterSortChangeEventArgs e)
		{
			Debug.WriteLine( "Column '" + e.OriginalSortedColumns[0].TextResolved + "' was sorted.");
		}

		private void ultraTree1_BeforeSortChange(object sender, Infragistics.Win.UltraWinTree.BeforeSortChangeEventArgs e)
		{
			//   Disallow sorting more than one column
			if ( e.SortedColumns.Count > 1 )
				e.Cancel = true;
		}
参照