CSReportEditor.fColumns.clearColumns C# (CSharp) Метод

        internal void clearColumns()
        {
            lv_columns.Items.Clear();
        }

		public static bool showDbFields(ref string field, ref int fieldType, ref int index, cEditor editor)
		{
            fColumns fc = null;

            try {
                fc = new fColumns();

                fc.clearColumns();

                cReport report = editor.getReport();
                
                cReportConnect connect = report.getConnect();
                fc.fillColumns(connect.getDataSource(), connect.getColumns(), false);

                for (int _i = 0; _i < report.getConnectsAux().count(); _i++)
                {
                    connect = report.getConnectsAux().item(_i);
                    fc.fillColumns(connect.getDataSource(), connect.getColumns(), true);
                }

                fc.setField(field);
                fc.ShowDialog();

                if (fc.getOk())
                {
                    field = fc.getField();
                    fieldType = fc.getFieldType();
                    index = fc.getIndex();

                    return true;
                }
                else
                {
                    return false;
                }

            } catch (Exception ex) {
                cError.mngError(ex, "showDbFields", C_MODULE, "");
                return false;
            }
            finally {
                if (fc != null)
                {
                    fc.Close();
                }
            }      
		}