23public override int Count => _list.Count;

561if (rightsTable.SelectedRows.Count == 1)

172if (this.SelectedRows.Count == 1) 502(e.ColumnIndex > 0) && (e.ColumnIndex < Columns.Count)) 791for (int i = RightsTableColumnToIndex(_leftModifiablePermissionColumn); i < Columns.Count - 1; i++)

64if (owner.Columns.Count == 0) 113if (!this.TryGetOwnerAs(out DataGridView? owner) || owner.Columns.Count == 0)

919DataGridViewAutoSizeColumnMode[] previousModes = new DataGridViewAutoSizeColumnMode[Columns.Count]; 1389get => Columns.Count; 1399if (value != Columns.Count) 1406else if (value < Columns.Count) 1409while (value < Columns.Count) 1411int currentColumnCount = Columns.Count; 1413if (Columns.Count >= currentColumnCount) 1423while (value > Columns.Count) 1425int currentColumnCount = Columns.Count; 1427if (Columns.Count <= currentColumnCount) 1707Debug.Assert(_ptCurrentCell.X < Columns.Count); 1775Debug.Assert(_ptCurrentCell.X >= 0 && _ptCurrentCell.X < Columns.Count); 2304&& firstDisplayedCell.ColumnIndex < Columns.Count); 2445ArgumentOutOfRangeException.ThrowIfGreaterThanOrEqual(value, Columns.Count); 3089for (int columnIndex = 0; columnIndex < Columns.Count; columnIndex++) 3109for (int columnIndex = 0; columnIndex < Columns.Count; columnIndex++) 3207if (Columns.Count == 0)

221for (int i = 0; i < _owner.Columns.Count; i++) 237for (int i = 0; i < _owner.Columns.Count; i++) 341Debug.Assert(DataBoundRowsCount() == CurrencyManager!.List!.Count || (_owner.Columns.Count == 0 && dataGridViewRowsCount == 0), 433if (_owner.Columns.Count > 0) 630for (int columnIndex = 0; columnIndex < _owner.Columns.Count; columnIndex++) 679if (_owner.Columns.Count == 0) 1199if (_owner.Columns.Count == 0) 1268|| (columnIndex < _owner.Columns.Count

22if (cellAddress.X < 0 || cellAddress.X >= Columns.Count) 369Debug.Assert(columnIndex >= -1 && columnIndex < Columns.Count); 911autoFillColumns ??= new(Columns.Count); 1380if (Columns.Count == 0 && Rows.Count == 0) 1398allCellsSelected = _individualSelectedCells.Count == Columns.Count * Rows.Count; 1432allCellsSelected = _selectedBandIndexes.Count * Rows.Count + _individualSelectedCells.Count == Columns.Count * Rows.Count; 1468allCellsSelected = _selectedBandIndexes.Count * Columns.Count + _individualSelectedCells.Count == Columns.Count * Rows.Count; 1524DataGridViewColumn[] clonedColumns = new DataGridViewColumn[dataGridViewCols.Count]; 1540for (i = 0; i < dataGridViewCols.Count; i++) 1563while (i < dataGridViewCols.Count) 1714ArgumentOutOfRangeException.ThrowIfGreaterThanOrEqual(columnIndex, Columns.Count); 1764int columnsCount = Columns.Count; 1800ArgumentOutOfRangeException.ThrowIfGreaterThanOrEqual(columnIndex, Columns.Count); 1829int columnsCount = Columns.Count; 1869Debug.Assert(columnIndex >= 0 && columnIndex < Columns.Count); 1934for (int columnIndex = 0; columnIndex < Columns.Count; columnIndex++) 2578Debug.Assert(_ptCurrentCell.X >= 0 && _ptCurrentCell.X < Columns.Count); 3139if (Columns.Count > oldCurrentCellX && Columns[oldCurrentCellX].Visible) 3465ArgumentOutOfRangeException.ThrowIfGreaterThanOrEqual(columnIndexException, Columns.Count); 3474ArgumentOutOfRangeException.ThrowIfGreaterThanOrEqual(columnIndexException, Columns.Count); 3596Debug.Assert(columnIndex >= 0 && columnIndex < Columns.Count, $"Invalid columnIndex: {columnIndex}"); 4147Debug.Assert(columnIndex < Columns.Count); 4189int cellsInCollection = dataGridViewRow.Cells.Count; 4190if (Columns.Count > cellsInCollection) 4193DataGridViewCell[] cells = new DataGridViewCell[Columns.Count - cellsInCollection]; 4194for (int columnIndex = cellsInCollection; columnIndex < Columns.Count; columnIndex++) 5007Debug.Assert(anticipatedColumnIndex >= 0 && anticipatedColumnIndex <= Columns.Count); 5010if (dataGridViewColumn.DisplayIndex == -1 || dataGridViewColumn.DisplayIndex > Columns.Count) 5016Debug.Assert(dataGridViewColumn.DisplayIndex >= 0 && dataGridViewColumn.DisplayIndex <= Columns.Count); 5041while (displayIndex < Columns.Count && (dataGridViewColumnNext is null || !dataGridViewColumnNext.Visible)); 5151int colCount = Columns.Count, displayIndex; 5196for (int columnIndex = dataGridViewColumn.Index; columnIndex < Columns.Count; columnIndex++) 5207for (int columnIndex = dataGridViewColumn.Index + insertionCount; columnIndex < Columns.Count; columnIndex++) 5588for (int i = 0; i < Columns.Count; i++) 5808if (dgvcme.ColumnIndex < Columns.Count && dgvcme.RowIndex < Rows.Count) 5819if (e.Button == MouseButtons.Left && dgvcme.ColumnIndex < Columns.Count && dgvcme.RowIndex < Rows.Count) 5833if (dgvcme.ColumnIndex < Columns.Count && dgvcme.RowIndex < Rows.Count) 5880if (e.Button == MouseButtons.Left && dgvcme.ColumnIndex < Columns.Count && dgvcme.RowIndex < Rows.Count) 5888if (e.Button == MouseButtons.Left && dgvcme.ColumnIndex < Columns.Count && dgvcme.RowIndex < Rows.Count) 5896if (dgvcme.ColumnIndex < Columns.Count && dgvcme.RowIndex < Rows.Count) 5904if (dgvcme.ColumnIndex < Columns.Count && dgvcme.RowIndex < Rows.Count) 5912if (dgvcme.ColumnIndex < Columns.Count && dgvcme.RowIndex < Rows.Count) 6704&& columnIndexTmp < Columns.Count 6725&& columnIndexTmp < Columns.Count 6748dataGridViewColumnTmp = Columns[Columns.Count - 1]; 6761for (columnIndexTmp = 0; columnIndexTmp < Columns.Count; columnIndexTmp++) 6878return cellCount + _selectedBandIndexes.Count * Columns.Count; 6947return Rows.Count * Columns.Count; 7052ArgumentOutOfRangeException.ThrowIfGreaterThanOrEqual(columnIndex, Columns.Count); 7107Debug.Assert(columnIndex >= -1 && columnIndex < Columns.Count); 8198ArgumentOutOfRangeException.ThrowIfGreaterThanOrEqual(columnIndex, Columns.Count); 8205Debug.Assert(columnIndex >= 0 && columnIndex < Columns.Count); 8455Debug.Assert(index < Columns.Count); 9784ArgumentOutOfRangeException.ThrowIfGreaterThanOrEqual(columnIndex, Columns.Count); 9810ArgumentOutOfRangeException.ThrowIfGreaterThanOrEqual(columnIndex, Columns.Count); 9817Debug.Assert(columnIndex >= 0 && columnIndex < Columns.Count); 10041return columnIndex >= Columns.Count || columnIndex == -1; 10046return columnIndex >= Columns.Count || rowIndex >= Rows.Count || columnIndex == -1 || rowIndex == -1; 10538if (dataGridViewColumn.DisplayIndex == -1 || dataGridViewColumn.DisplayIndex >= Columns.Count) 10787CorrectColumnFrozenState(dataGridViewColumn, Columns.Count); 10805int newColumnCount = Columns.Count + 1; 10812if (dataGridViewRow.Cells.Count < newColumnCount) 10834if (dataGridViewRow.Cells.Count == newColumnCount) 10840Debug.Assert(dataGridViewRow.Cells.Count < newColumnCount); 10952int previousColumnCount = Columns.Count; 10964if (dataGridViewRow.Cells.Count < previousColumnCount + addedColumnCount) 10985while (dataGridViewRow.Cells.Count > previousColumnCount) 10987dataGridViewRow.Cells.RemoveAtInternal(dataGridViewRow.Cells.Count - 1); 11056if (dataGridViewRow.Cells.Count > Columns.Count) 11240if (previousModes.Length != Columns.Count) 11513ArgumentOutOfRangeException.ThrowIfGreaterThanOrEqual(e.ColumnIndex, Columns.Count, "e.ColumnIndex"); 11737Debug.Assert(rowIndex < Rows.Count && columnIndex < Columns.Count); 11825Debug.Assert(rowIndex < Rows.Count && columnIndex < Columns.Count); 12090if (hti._col >= Columns.Count) 12683&& _ptMouseDownCell.X < Columns.Count) 13061Debug.Assert(rowIndex < Rows.Count && columnIndex < Columns.Count); 13107Debug.Assert(rowIndex < Rows.Count && columnIndex < Columns.Count); 13267for (int i = 0; i < Columns.Count; i++) 13282if (Columns.Count != 0 && Rows.Count == 0) 13465if (!e.Handled && e.Button == MouseButtons.Left && e.ColumnIndex < Columns.Count) 13539Debug.Assert(columnIndex >= 0 && columnIndex < Columns.Count); 15440int newColumnCount = Columns.Count + 1; 15447if (dataGridViewRow.Cells.Count < newColumnCount) 15468if (dataGridViewRow.Cells.Count == newColumnCount) 15474Debug.Assert(dataGridViewRow.Cells.Count < newColumnCount); 15902if (dgvcme.ColumnIndex < Columns.Count && dgvcme.RowIndex < Rows.Count) 15923if (dgvcme.ColumnIndex < Columns.Count && dgvcme.RowIndex < Rows.Count) 15934if (dgvcme.ColumnIndex < Columns.Count && dgvcme.RowIndex < Rows.Count) 15991if (dgvcme.ColumnIndex < Columns.Count && dgvcme.RowIndex < Rows.Count) 16003if (columnIndex < Columns.Count) 16041if (dgvcme.ColumnIndex < Columns.Count && dgvcme.RowIndex < Rows.Count) 16164if (_ptMouseEnteredCell.X >= -1 && _ptMouseEnteredCell.X < Columns.Count 16387if (dgvcme.ColumnIndex < Columns.Count && dgvcme.RowIndex < Rows.Count) 17031Debug.Assert(dataGridViewColumn.Index >= 0 && dataGridViewColumn.Index < Columns.Count); 17109if (Columns.Count == 1) 17116int newColumnCount = Columns.Count - 1; 17121if (dataGridViewRow.Cells.Count > newColumnCount) 17145for (int i = 0; i < Columns.Count; i++) 17542&& Columns.Count != 0 17667if (rowIndex < Rows.Count && columnIndex < Columns.Count) 17733Debug.Assert(rowIndex < Rows.Count && columnIndex < Columns.Count); 18328if (rowIndex < Rows.Count && columnIndex < Columns.Count) 18340Debug.Assert(rowIndex < Rows.Count && columnIndex < Columns.Count); 18740if (dataGridViewCell is not null && rowIndex < Rows.Count && columnIndex < Columns.Count) 18787Debug.Assert(rowIndex < Rows.Count && columnIndex < Columns.Count); 18958for (int i = 0; i < Columns.Count; i++) 19239if (Columns.Count > 0) 19504if (Columns.Count > 0 || Rows.Count > 0) 25336if (Columns.Count > 0 && NewRowIndex == -1) 25446for (int j = 0; j < dataGridViewCols.Count; j++) 25542if (DataConnection is not null && Columns.Count > 0) 26011Debug.Assert(columnIndex >= 0 && columnIndex < Columns.Count); 26210Debug.Assert(columnIndex >= 0 && columnIndex < Columns.Count); 26211Debug.Assert(DisplayedBandsInfo.FirstDisplayedScrollingCol >= -1 && DisplayedBandsInfo.FirstDisplayedScrollingCol < Columns.Count); 26212Debug.Assert(DisplayedBandsInfo.LastTotallyDisplayedScrollingCol >= -1 && DisplayedBandsInfo.LastTotallyDisplayedScrollingCol < Columns.Count); 26563int maxColumnIndex = Columns.Count; 26603int columnIndex = 0, maxColumnIndex = Columns.Count; 26696if (index >= Columns.Count) 26698index -= Columns.Count; 26755ArgumentOutOfRangeException.ThrowIfGreaterThanOrEqual(columnIndex, Columns.Count); 26792Debug.Assert(rowIndex >= 0 && columnIndex < Columns.Count && rowIndex < Rows.Count); 26959if (oldCurrentCellX < Columns.Count && oldCurrentCellY < Rows.Count) 27122if (oldCurrentCellX < Columns.Count && oldCurrentCellY < Rows.Count) 27478Debug.Assert(columnIndex >= 0 && rowIndex >= 0 && columnIndex < Columns.Count && rowIndex < Rows.Count); 27532for (int column = columnIndex + 1; column < Columns.Count; column++) 27551Debug.Assert(columnIndex >= 0 && columnIndex < Columns.Count); 27625ArgumentOutOfRangeException.ThrowIfGreaterThanOrEqual(columnIndex, Columns.Count); 27694if (Columns.Count > BulkPaintThreshold) 27712for (int column = columnIndex + 1; column < Columns.Count; column++) 27955ArgumentOutOfRangeException.ThrowIfGreaterThanOrEqual(columnIndex, Columns.Count); 28869ArgumentOutOfRangeException.ThrowIfGreaterThanOrEqual(columnIndex, Columns.Count); 28881ArgumentOutOfRangeException.ThrowIfGreaterThanOrEqual(columnIndex, Columns.Count); 29175&& _ptMouseEnteredCell.X < Columns.Count 29202&& _ptMouseEnteredCell.X < Columns.Count

485ColumnIndex < DataGridView.Columns.Count &&

320if (j < 0 || j > DataGridView.Columns.Count - 1 1735Debug.Assert(ColumnIndex < DataGridView.Columns.Count); 1885Debug.Assert(ColumnIndex < DataGridView.Columns.Count); 2423Debug.Assert(ColumnIndex < dataGridView.Columns.Count); 3045if (DataGridView is not null && e.ColumnIndex < DataGridView.Columns.Count && e.RowIndex < DataGridView.Rows.Count)

178if (dataGridView is not null && dataGridView.Columns.Count > index) 290if (dataGridView is not null && dataGridView.Columns.Count > index)

85if (ColumnIndex < -1 || ColumnIndex >= _dataGridView.Columns.Count) 114if (ColumnIndex < -1 || ColumnIndex >= _dataGridView.Columns.Count) 149if (ColumnIndex < -1 || ColumnIndex >= _dataGridView.Columns.Count)

833ColumnIndex < DataGridView.Columns.Count && 971Debug.Assert((columnIndex >= 0) && (columnIndex < DataGridView.Columns.Count));

253if (value >= DataGridView.Columns.Count)

267if (Count > 0) 281for (int columnIndex = 0; columnIndex < Count; columnIndex++) 396for (int i = 0; i < Count; i++) 504_lastAccessedSortedIndex < Count); 1034ArgumentOutOfRangeException.ThrowIfGreaterThanOrEqual(index, Count); 1058Debug.Assert(index >= 0 && index < Count);

735ColumnIndex < DataGridView.Columns.Count &&

1073int cellsCount = rowTemplate.Cells.Count; 1125Debug.Assert(Cells.Count == dataGridView.Columns.Count); 1793int cellCount = cells.Count; 1794for (int columnIndex = 0; columnIndex < cells.Count; columnIndex++)

180for (int i = 0; i < _owningDataGridViewRow.Cells.Count; i++) 417if (_owningDataGridViewRow.Cells.Count > 0)

194if (DataGridView.Columns.Count == 0) 199if (DataGridView.RowTemplate.Cells.Count > DataGridView.Columns.Count) 205Debug.Assert(dataGridViewRow.Cells.Count == DataGridView.Columns.Count); 300if (DataGridView.Columns.Count == 0) 328if (DataGridView.Columns.Count == 0) 343if (DataGridView.RowTemplate.Cells.Count > DataGridView.Columns.Count) 349Debug.Assert(rowTemplate.Cells.Count == DataGridView.Columns.Count); 391if (DataGridView.Columns.Count == 0) 396if (dataGridViewRow.Cells.Count > DataGridView.Columns.Count) 416Debug.Assert(dataGridViewRow.Cells.Count == DataGridView.Columns.Count); 736if (DataGridView.Columns.Count == 0) 748Debug.Assert(dataGridViewRow.Cells.Count == DataGridView.Columns.Count); 831DataGridView.Columns.Count != 0 && 1412if (DataGridView.Columns.Count == 0) 1417if (DataGridView.RowTemplate.Cells.Count > DataGridView.Columns.Count) 1430Debug.Assert(rowTemplate.Cells.Count == DataGridView.Columns.Count); 1474if (DataGridView.Columns.Count == 0) 1479if (dataGridViewRow.Cells.Count > DataGridView.Columns.Count) 1506if (DataGridView.Columns.Count == 0) 1511if (dataGridViewRow.Cells.Count > DataGridView.Columns.Count) 1518Debug.Assert(dataGridViewRow.Cells.Count == DataGridView.Columns.Count); 1781if (DataGridView.Columns.Count == 0) 1794Debug.Assert(dataGridViewRow.Cells.Count == DataGridView.Columns.Count); 2401int columnCount = DataGridView.Columns.Count;

85bool forceColumnFrozen = _dataGridViewColumns.Count > _insertAtPosition && _dataGridViewColumns[_insertAtPosition].Frozen; 527DataGridViewColumn[] cols = new DataGridViewColumn[_liveDataGridView.Columns.Count - _initialDataGridViewColumnsCount]; 528for (int i = _initialDataGridViewColumnsCount; i < _liveDataGridView.Columns.Count; i++) 533for (int i = _initialDataGridViewColumnsCount; i < _liveDataGridView.Columns.Count;) 806_initialDataGridViewColumnsCount = _liveDataGridView.Columns.Count;

198DataGridViewColumn[] oldColumns = new DataGridViewColumn[_liveDataGridView.Columns.Count]; 219DataGridViewColumn[] newColumns = new DataGridViewColumn[_columnsPrivateCopy.Count]; 220bool[] userAddedColumnsInfo = new bool[_columnsPrivateCopy.Count]; 221string?[] compNames = new string?[_columnsPrivateCopy.Count]; 222for (int i = 0; i < _columnsPrivateCopy.Count; i++) 437for (int i = 0; i < _columnsPrivateCopy.Count; i++) 875for (int i = 0; i < _columnsPrivateCopy.Count; i++) 1108_columnsNames.EnsureCapacity(_columnsPrivateCopy.Count); 1112_userAddedColumns.EnsureCapacity(_liveDataGridView.Columns.Count); 1121for (int i = 0; i < _liveDataGridView.Columns.Count; i++)

45for (int i = 0; i < dataGridView.Columns.Count; i++) 52for (int i = 0; i < dataGridView.Columns.Count; i++) 342for (int i = 0; i < dataGridView.Columns.Count; i++) 404for (int i = 0; i < dataGridView.Columns.Count; i++) 463for (int i = 0; i < dataGridView.Columns.Count;) 584DataGridViewColumn[] removeColumns = new DataGridViewColumn[dataGridView.Columns.Count]; 586for (int i = 0; i < dataGridView.Columns.Count; i++) 777dialog.Start(Control.Columns.Count, persistChangesToDesigner: true);

230for (int j = 0; j < dataGridView.Rows[i].Cells.Count; j++) 1312int columnCount = dataGridView.Columns.Count; 1343int columnCount = dataGridView.Columns.Count; 1386int columnCount = dataGridView.Columns.Count;

14Assert.Throws<NullReferenceException>(() => collection.Count); 25Assert.Equal(3, collection.Count);

35Assert.Equal(2, collection.Count);

39Assert.Equal(2, collection.Count);

34Assert.Equal(2, collection.Count);

2811Assert.Equal(2, control.Columns.Count); 2852Assert.Equal(2, control.Columns.Count); 2858Assert.Equal(2, control.Columns.Count); 2866Assert.Equal(2, control.Columns.Count);