/// <summary>
/// Extends BeginInvoke so that when a state object is not needed, null does not need to be passed.
/// <example>
/// datagridviewcellvalueeventhandler.BeginInvoke(sender, e, callback);
/// </example>
/// </summary>
public static IAsyncResult BeginInvoke(this DataGridViewCellValueEventHandler datagridviewcellvalueeventhandler, Object sender, DataGridViewCellValueEventArgs e, AsyncCallback callback)
{
if (datagridviewcellvalueeventhandler == null)
{
throw new ArgumentNullException("datagridviewcellvalueeventhandler");
}
return(datagridviewcellvalueeventhandler.BeginInvoke(sender, e, callback, null));
}
public void SetGridCellValueNeededEvent(DataGridViewCellValueEventHandler handler)
{
DataGrid.CellValueNeeded += handler;
}