FocusedRowChangedEventArgs.PrevFocusedRowHandle Property

Gets the handle of the previously focused row.

Namespace: DevExpress.XtraGrid.Views.Base

Assembly: DevExpress.XtraGrid.v23.2.dll

NuGet Packages: DevExpress.Win.Grid, DevExpress.Win.Navigation

Declaration

C#

public int PrevFocusedRowHandle { get; }

VB.NET

Public ReadOnly Property PrevFocusedRowHandle As Integer

Property Value

Type	Description
Int32	An integer value representing the handle of the previously focused row. The GridControl.InvalidRowHandle field value if no row was previously focused.

Example

This example expands a collapsed group row and vice versa when this row receives focus.

C#

using DevExpress.XtraGrid.Views.Grid;
using DevExpress.XtraGrid.Views.Base;

private void gridView1_FocusedRowChanged(object sender, FocusedRowChangedEventArgs e) {
     GridView view = sender as GridView;
     if (view == null) return;
     if (view.IsGroupRow(e.FocusedRowHandle)) {
        bool expanded = view.GetRowExpanded(e.FocusedRowHandle);
        view.SetRowExpanded(e.FocusedRowHandle, !expanded);
     }
}

VB.NET

Imports DevExpress.XtraGrid.Views.Grid
Imports DevExpress.XtraGrid.Views.Base

Private Sub GridView1_FocusedRowChanged(ByVal sender As System.Object, _
  ByVal e As FocusedRowChangedEventArgs) Handles GridView1.FocusedRowChanged
   Dim view As GridView = sender
   If view Is Nothing Then
       Return
   End If
   If view.IsGroupRow(e.FocusedRowHandle) Then
      Dim expanded As Boolean = view.GetRowExpanded(e.FocusedRowHandle)
      view.SetRowExpanded(e.FocusedRowHandle, Not expanded)
   End If
End Sub

Related GitHub Examples

The following code snippet (auto-collected from DevExpress Examples) contains a reference to the PrevFocusedRowHandle property.

Note

The algorithm used to collect these code examples remains a work in progress. Accordingly, the links and snippets below may produce inaccurate results. If you encounter an issue with code examples below, please use the feedback form on this page to report the issue.

C#

winforms-grid-prevent-focusing-group-row/CS/Form1.cs#L33

{
    if (e.PrevFocusedRowHandle == GridControl.InvalidRowHandle)
        focusedRowHandle = 0;

VB.NET

winforms-grid-prevent-focusing-group-row/VB/Form1.vb#L31

If e.FocusedRowHandle < 0 Then
    If e.PrevFocusedRowHandle = GridControl.InvalidRowHandle Then
        focusedRowHandle = 0