Summary description for SelectedColsCollection.
Following code shows some of the information available in BeforeSelectChange event and its potential uses.
For an overview of how to handle events in Visual Basic or Visual C#, see
Event Handlers in Visual Basic and Visual C#. For specific information and code examples illustrating how to consume events in your application, see
Consuming Events in the
.NET Framework Developer's Guide.
Imports Infragistics.Shared
Imports Infragistics.Win
Imports Infragistics.Win.UltraWinGrid
Imports System.Diagnostics
Private Sub UltraGrid1_BeforeSelectChange(ByVal sender As Object, ByVal e As Infragistics.Win.UltraWinGrid.BeforeSelectChangeEventArgs) Handles ultraGrid1.BeforeSelectChange
' BeforeSelectChange gets fired when the user selects rows, columns or cells.
' NewSelections property off the passed in event args has the new selection.
' Type specifies whether the change in selection was with rows, columns or
' cells. This also gives you a chance to cancel the new selection by setting
' the Cancel property off the event args. If cancelled, the UltraGrid will go
' back to previous selection.
Debug.Write("BeforeSelectChange: ")
' Check the type to find out whether rows, columns or cells were selected.
If e.Type Is GetType(UltraGridGroupByRow) Then
' Item type is a group-by-row so use Rows property off the Selected to access those items.
If e.NewSelections.Rows.Count = 0 Then
Debug.WriteLine("Group-by rows are being unselected.")
Else
Debug.WriteLine(e.NewSelections.Rows.Count & " group-by rows are being selected.")
End If
ElseIf e.Type Is GetType(UltraGridRow) Then
' Item type is a row so use Rows property off the Selected to access those items.
If e.NewSelections.Rows.Count = 0 Then
Debug.WriteLine("Rows are being unselected.")
Else
Debug.WriteLine(e.NewSelections.Rows.Count & " rows are being selected.")
End If
ElseIf e.Type Is GetType(UltraGridColumn) Then
' Item type is a column so use Columns property off the Selected to access those items.
If e.NewSelections.Columns.Count = 0 Then
Debug.WriteLine("Columns are being unselected.")
Else
Debug.WriteLine(e.NewSelections.Columns.Count & " columns are being selected.")
End If
ElseIf e.Type Is GetType(UltraGridCell) Then
' Item type is a cell so use Cells property off the Selected to access those items.
If e.NewSelections.Cells.Count = 0 Then
Debug.WriteLine("Columns are being unselected.")
Else
Debug.WriteLine(e.NewSelections.Cells.Count & " cells are being selected.")
End If
End If
End Sub
'Declaration
Public Class SelectedColsCollection
Inherits Infragistics.Shared.SubObjectsCollectionBase
using Infragistics.Shared;
using Infragistics.Win;
using Infragistics.Win.UltraWinGrid;
using System.Diagnostics;
private void ultraGrid1_BeforeSelectChange(object sender, Infragistics.Win.UltraWinGrid.BeforeSelectChangeEventArgs e)
{
// BeforeSelectChange gets fired when the user selects rows, columns or cells.
// NewSelections property off the passed in event args has the new selection.
// Type specifies whether the change in selection was with rows, columns or
// cells. This also gives you a chance to cancel the new selection by setting
// the Cancel property off the event args. If cancelled, the UltraGrid will go
// back to previous selection.
Debug.Write( "BeforeSelectChange: " );
// Check the type to find out whether rows, columns or cells were selected.
if ( typeof( UltraGridGroupByRow ) == e.Type )
{
// Item type is a group-by-row so use Rows property off the Selected to access those items.
if ( e.NewSelections.Rows.Count == 0 )
Debug.WriteLine( "Group-by rows are being unselected." );
else
Debug.WriteLine( e.NewSelections.Rows.Count + " group-by rows are being selected." );
}
else if ( typeof( UltraGridRow ) == e.Type )
{
// Item type is a row so use Rows property off the Selected to access those items.
if ( e.NewSelections.Rows.Count == 0 )
Debug.WriteLine( "Rows are being unselected." );
else
Debug.WriteLine( e.NewSelections.Rows.Count + " rows are being selected." );
}
else if ( typeof( UltraGridColumn ) == e.Type )
{
// Item type is a column so use Columns property off the Selected to access those items.
if ( e.NewSelections.Columns.Count == 0 )
Debug.WriteLine( "Columns are being unselected." );
else
Debug.WriteLine( e.NewSelections.Columns.Count + " columns are being selected." );
}
else if ( typeof( UltraGridCell ) == e.Type )
{
// Item type is a cell so use Cells property off the Selected to access those items.
if ( e.NewSelections.Cells.Count == 0 )
Debug.WriteLine( "Columns are being unselected." );
else
Debug.WriteLine( e.NewSelections.Cells.Count + " cells are being selected." );
}
}
'Declaration
Public Class SelectedColsCollection
Inherits Infragistics.Shared.SubObjectsCollectionBase
Target Platforms: Windows 10, Windows 8.1, Windows 8, Windows 7, Windows Server 2012, Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2
