System.Data.DataTable.RaiseRowChanging C# (CSharp) Method

        private DataRowChangeEventArgs RaiseRowChanging(DataRowChangeEventArgs args, DataRow eRow, DataRowAction eAction)
        {
            if (UpdatingCurrent(eRow, eAction) && (IsTypedDataTable || (null != _onRowChangingDelegate)))
            {
                eRow._inChangingEvent = true;

                // don't catch
                try
                {
                    args = OnRowChanging(args, eRow, eAction);
                }
                finally
                {
                    eRow._inChangingEvent = false;
                }
            }
            // check if we deleting good row
            else if (DataRowAction.Delete == eAction && eRow._newRecord != -1 && (IsTypedDataTable || (null != _onRowDeletingDelegate)))
            {
                eRow._inDeletingEvent = true;
                // don't catch
                try
                {
                    if (null == args)
                    {
                        args = new DataRowChangeEventArgs(eRow, eAction);
                    }
                    OnRowDeleting(args);
                }
                finally
                {
                    eRow._inDeletingEvent = false;
                }
            }
            return args;
        }