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IsGroupByColumn プロパティ

行がこの列によってグループ化されているかどうかを示します。（この列が GroupBy 列かどうか）。
シンタックス
'宣言
 
Public ReadOnly Property IsGroupByColumn As Boolean
public bool IsGroupByColumn {get;}
使用例
Imports Infragistics.Shared
Imports Infragistics.Win
Imports Infragistics.Win.UltraWinGrid
Imports System.Diagnostics

   Private Sub Button16_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles button16.Click

       ' IsGroupByColumn indicates if the column is a group-by column. Group-by columns are
       ' the columns that rows are grouped by.

       ' Enable Outlook GroupBy functionality by setting the view style to OutlookGroupBy.
       ' This will show a group-by-box that the user can drag columns into to group row by 
       ' those columns.
       Me.ultraGrid1.DisplayLayout.ViewStyleBand = ViewStyleBand.OutlookGroupBy

       Dim band As UltraGridBand = Me.ultraGrid1.DisplayLayout.Bands(0)

       ' Group rows by Country column.
       band.SortedColumns.Add("Country", False, True)

       ' Loop through all the columns and print out the keys of the columns that are 
       ' group-by columns. It should print out Country column since we just made it a
       ' group-by column above.
       Dim i As Integer
       For i = 0 To band.Columns.Count - 1
           If band.Columns(i).IsGroupByColumn Then
               Debug.WriteLine(band.Columns(i).Key & " is a group-by column.")
           End If
       Next

   End Sub
using Infragistics.Shared;
using Infragistics.Win;
using Infragistics.Win.UltraWinGrid;
using System.Diagnostics;

private void button16_Click(object sender, System.EventArgs e)
{

	// IsGroupByColumn indicates if the column is a group-by column. Group-by columns are
	// the columns that rows are grouped by.

	// Enable Outlook GroupBy functionality by setting the view style to OutlookGroupBy.
	// This will show a group-by-box that the user can drag columns into to group row by 
	// those columns.
	this.ultraGrid1.DisplayLayout.ViewStyleBand = ViewStyleBand.OutlookGroupBy;

	UltraGridBand band = this.ultraGrid1.DisplayLayout.Bands[0];

	// Group rows by Country column.
	band.SortedColumns.Add( "Country", false, true );

	// Loop through all the columns and print out the keys of the columns that are 
	// group-by columns. It should print out Country column since we just made it a
	// group-by column above.
	for ( int i = 0; i < band.Columns.Count; i++ )
	{
		if ( band.Columns[i].IsGroupByColumn )
		{
			Debug.WriteLine( band.Columns[i].Key + " is a group-by column." );
		}
	}

}
参照