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IsExpandable プロパティ (UltraGridGroupByRow)

GroupBy行は常に展開可能であるため、Trueを返します。
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'宣言
 
Public Overrides NotOverridable ReadOnly Property IsExpandable As Boolean
public override bool IsExpandable {get;}
使用例
Imports Infragistics.Shared
Imports Infragistics.Win
Imports Infragistics.Win.UltraWinGrid
Imports System.Diagnostics

   Private Sub Button54_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles button54.Click

       Dim row As UltraGridRow = Me.UltraGrid1.Rows(0)

       ' Check to see if the row is expandable which depends on factors like whether
       ' the row has any child rows and whether the band associated with it is expandable.
       ' Return if the row is not expandable
       If Not row.IsExpandable Then
           Return
       End If

       ' Toggle the row's expanded status.
       If Not row.Expanded Then
           ' Set the Expanded to true to expand the row.
           row.Expanded = True
       Else
           ' Set the Expanded to false to collapse the row.
           row.Expanded = False
       End If

       ' IsExpanded property indicates whether the row is actually expanded. For example, If you
       ' were to set Expanded to true on a row that wasn't expandable (ie IsExpandable returned
       ' false), Expanded property would return true even thought the row wasn't actually expanded.
       ' However IsExpanded would rerturn false indicating the true status of the row's expansion
       ' status.
       Debug.WriteLine("Is row actually expanded ? " & row.IsExpanded)

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

private void button54_Click(object sender, System.EventArgs e)
{

	UltraGridRow row = this.ultraGrid1.Rows[0];

	// Check to see if the row is expandable which depends on factors like whether
	// the row has any child rows and whether the band associated with it is expandable.
	// Return if the row is not expandable
	if ( !row.IsExpandable )				
		return;

	// Toggle the row's expanded status.
	if ( !row.Expanded )
	{
		// Set the Expanded to true to expand the row.
		row.Expanded = true;
	}
	else
	{
		// Set the Expanded to false to collapse the row.
		row.Expanded = false;
	}

	// IsExpanded property indicates whether the row is actually expanded. For example, If you
	// were to set Expanded to true on a row that wasn't expandable (ie IsExpandable returned
	// false), Expanded property would return true even thought the row wasn't actually expanded.
	// However IsExpanded would rerturn false indicating the true status of the row's expansion
	// status.
	Debug.WriteLine( "Is row actually expanded ? " + row.IsExpanded );

}
参照