How to change the image in GridImageColumn after mouse hover in WinForms DataGrid (SfDataGrid)?

About the sample.

This sample illustrates that how to change the image in gridimagecolumn after mouse hover in winforms datagrid.

By default, the Tooltip for grid cells will be loaded with CellValue. To add image in tooltip, the ToolTipOpening event can be used. In that event, the ToolTipInfo for the items can be updated with image.

//Event subscription
this.sfDataGrid1.ToolTipOpening += SfDataGrid1_ToolTipOpening;

//Event customization
private void SfDataGrid1_ToolTipOpening(object sender, ToolTipOpeningEventArgs e)
{
    var record = e.Record as OrderInfo;

    e.ToolTipInfo.Items.AddRange(new ToolTipItem[] { toolTipItem1, toolTipItem2 });

    var recordIndex = this.sfDataGrid1.TableControl.ResolveToRowIndex(record);

    if (e.RowIndex == recordIndex)
    {
        if (record.CustomerID == "FRANS")
        {
          e.ToolTipInfo.Items[1].Text = "FRANS";                        
          e.ToolTipInfo.Items[0].Image = Image.FromFile(@"../../Images/FRANS.png");
          }
    }
}

Requirements to run the demo