private void GridView_GroupExpanded(object sender, GroupExpandedEventArgs e)
{
CloseOtherThreads();
var ids = e.DataGroup.Where(r => r.Cells["Id"].Value != null).Select(c => (int)c.Cells["Id"].Value).ToList();
StartThumbnailsThread(ids);
}
/// <summary>
/// Handles the GroupExpanded event of the Table control.
/// </summary>
/// <param name="sender">The source of the event.</param>
/// <param name="args">The <see cref="Syncfusion.Windows.Controls.Grid.GroupExpandedEventArgs"/> instance containing the event data.</param>
void Table_GroupExpanded(object sender, GroupExpandedEventArgs args)
{
setRowHeight();
}
