23public override int Count => _list.Count;

560if (rightsTable.SelectedRows.Count == 1)

171if (this.SelectedRows.Count == 1) 501(e.ColumnIndex > 0) && (e.ColumnIndex < Columns.Count)) 790for (int i = RightsTableColumnToIndex(_leftModifiablePermissionColumn); i < Columns.Count - 1; i++)

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

915DataGridViewAutoSizeColumnMode[] previousModes = new DataGridViewAutoSizeColumnMode[Columns.Count]; 1385get => Columns.Count; 1395if (value != Columns.Count) 1402else if (value < Columns.Count) 1405while (value < Columns.Count) 1407int currentColumnCount = Columns.Count; 1409if (Columns.Count >= currentColumnCount) 1419while (value > Columns.Count) 1421int currentColumnCount = Columns.Count; 1423if (Columns.Count <= currentColumnCount) 1713Debug.Assert(_ptCurrentCell.X < Columns.Count); 1781Debug.Assert(_ptCurrentCell.X >= 0 && _ptCurrentCell.X < Columns.Count); 2311&& firstDisplayedCell.ColumnIndex < Columns.Count); 2452ArgumentOutOfRangeException.ThrowIfGreaterThanOrEqual(value, Columns.Count); 3096for (int columnIndex = 0; columnIndex < Columns.Count; columnIndex++) 3116for (int columnIndex = 0; columnIndex < Columns.Count; columnIndex++) 3214if (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); 3136if (Columns.Count > oldCurrentCellX && Columns[oldCurrentCellX].Visible) 3460ArgumentOutOfRangeException.ThrowIfGreaterThanOrEqual(columnIndexException, Columns.Count); 3469ArgumentOutOfRangeException.ThrowIfGreaterThanOrEqual(columnIndexException, Columns.Count); 3591Debug.Assert(columnIndex >= 0 && columnIndex < Columns.Count, $"Invalid columnIndex: {columnIndex}"); 4142Debug.Assert(columnIndex < Columns.Count); 4184int cellsInCollection = dataGridViewRow.Cells.Count; 4185if (Columns.Count > cellsInCollection) 4188DataGridViewCell[] cells = new DataGridViewCell[Columns.Count - cellsInCollection]; 4189for (int columnIndex = cellsInCollection; columnIndex < Columns.Count; columnIndex++) 5002Debug.Assert(anticipatedColumnIndex >= 0 && anticipatedColumnIndex <= Columns.Count); 5005if (dataGridViewColumn.DisplayIndex == -1 || dataGridViewColumn.DisplayIndex > Columns.Count) 5011Debug.Assert(dataGridViewColumn.DisplayIndex >= 0 && dataGridViewColumn.DisplayIndex <= Columns.Count); 5036while (displayIndex < Columns.Count && (dataGridViewColumnNext is null || !dataGridViewColumnNext.Visible)); 5146int colCount = Columns.Count, displayIndex; 5191for (int columnIndex = dataGridViewColumn.Index; columnIndex < Columns.Count; columnIndex++) 5202for (int columnIndex = dataGridViewColumn.Index + insertionCount; columnIndex < Columns.Count; columnIndex++) 5583for (int i = 0; i < Columns.Count; i++) 5803if (dgvcme.ColumnIndex < Columns.Count && dgvcme.RowIndex < Rows.Count) 5814if (e.Button == MouseButtons.Left && dgvcme.ColumnIndex < Columns.Count && dgvcme.RowIndex < Rows.Count) 5828if (dgvcme.ColumnIndex < Columns.Count && dgvcme.RowIndex < Rows.Count) 5875if (e.Button == MouseButtons.Left && dgvcme.ColumnIndex < Columns.Count && dgvcme.RowIndex < Rows.Count) 5883if (e.Button == MouseButtons.Left && dgvcme.ColumnIndex < Columns.Count && dgvcme.RowIndex < Rows.Count) 5891if (dgvcme.ColumnIndex < Columns.Count && dgvcme.RowIndex < Rows.Count) 5899if (dgvcme.ColumnIndex < Columns.Count && dgvcme.RowIndex < Rows.Count) 5907if (dgvcme.ColumnIndex < Columns.Count && dgvcme.RowIndex < Rows.Count) 6699&& columnIndexTmp < Columns.Count 6720&& columnIndexTmp < Columns.Count 6743dataGridViewColumnTmp = Columns[Columns.Count - 1]; 6756for (columnIndexTmp = 0; columnIndexTmp < Columns.Count; columnIndexTmp++) 6873return cellCount + _selectedBandIndexes.Count * Columns.Count; 6942return Rows.Count * Columns.Count; 7047ArgumentOutOfRangeException.ThrowIfGreaterThanOrEqual(columnIndex, Columns.Count); 7102Debug.Assert(columnIndex >= -1 && columnIndex < Columns.Count); 8193ArgumentOutOfRangeException.ThrowIfGreaterThanOrEqual(columnIndex, Columns.Count); 8200Debug.Assert(columnIndex >= 0 && columnIndex < Columns.Count); 8450Debug.Assert(index < Columns.Count); 9779ArgumentOutOfRangeException.ThrowIfGreaterThanOrEqual(columnIndex, Columns.Count); 9805ArgumentOutOfRangeException.ThrowIfGreaterThanOrEqual(columnIndex, Columns.Count); 9812Debug.Assert(columnIndex >= 0 && columnIndex < Columns.Count); 10036return columnIndex >= Columns.Count || columnIndex == -1; 10041return columnIndex >= Columns.Count || rowIndex >= Rows.Count || columnIndex == -1 || rowIndex == -1; 10533if (dataGridViewColumn.DisplayIndex == -1 || dataGridViewColumn.DisplayIndex >= Columns.Count) 10782CorrectColumnFrozenState(dataGridViewColumn, Columns.Count); 10800int newColumnCount = Columns.Count + 1; 10807if (dataGridViewRow.Cells.Count < newColumnCount) 10829if (dataGridViewRow.Cells.Count == newColumnCount) 10835Debug.Assert(dataGridViewRow.Cells.Count < newColumnCount); 10947int previousColumnCount = Columns.Count; 10959if (dataGridViewRow.Cells.Count < previousColumnCount + addedColumnCount) 10980while (dataGridViewRow.Cells.Count > previousColumnCount) 10982dataGridViewRow.Cells.RemoveAtInternal(dataGridViewRow.Cells.Count - 1); 11051if (dataGridViewRow.Cells.Count > Columns.Count) 11235if (previousModes.Length != Columns.Count) 11508ArgumentOutOfRangeException.ThrowIfGreaterThanOrEqual(e.ColumnIndex, Columns.Count, "e.ColumnIndex"); 11732Debug.Assert(rowIndex < Rows.Count && columnIndex < Columns.Count); 11820Debug.Assert(rowIndex < Rows.Count && columnIndex < Columns.Count); 12085if (hti._col >= Columns.Count) 12678&& _ptMouseDownCell.X < Columns.Count) 13056Debug.Assert(rowIndex < Rows.Count && columnIndex < Columns.Count); 13102Debug.Assert(rowIndex < Rows.Count && columnIndex < Columns.Count); 13262for (int i = 0; i < Columns.Count; i++) 13277if (Columns.Count != 0 && Rows.Count == 0) 13460if (!e.Handled && e.Button == MouseButtons.Left && e.ColumnIndex < Columns.Count) 13534Debug.Assert(columnIndex >= 0 && columnIndex < Columns.Count); 15435int newColumnCount = Columns.Count + 1; 15442if (dataGridViewRow.Cells.Count < newColumnCount) 15463if (dataGridViewRow.Cells.Count == newColumnCount) 15469Debug.Assert(dataGridViewRow.Cells.Count < newColumnCount); 15897if (dgvcme.ColumnIndex < Columns.Count && dgvcme.RowIndex < Rows.Count) 15918if (dgvcme.ColumnIndex < Columns.Count && dgvcme.RowIndex < Rows.Count) 15929if (dgvcme.ColumnIndex < Columns.Count && dgvcme.RowIndex < Rows.Count) 15986if (dgvcme.ColumnIndex < Columns.Count && dgvcme.RowIndex < Rows.Count) 15998if (columnIndex < Columns.Count) 16036if (dgvcme.ColumnIndex < Columns.Count && dgvcme.RowIndex < Rows.Count) 16159if (_ptMouseEnteredCell.X >= -1 && _ptMouseEnteredCell.X < Columns.Count 16382if (dgvcme.ColumnIndex < Columns.Count && dgvcme.RowIndex < Rows.Count) 17023Debug.Assert(dataGridViewColumn.Index >= 0 && dataGridViewColumn.Index < Columns.Count); 17101if (Columns.Count == 1) 17108int newColumnCount = Columns.Count - 1; 17113if (dataGridViewRow.Cells.Count > newColumnCount) 17137for (int i = 0; i < Columns.Count; i++) 17534&& Columns.Count != 0 17659if (rowIndex < Rows.Count && columnIndex < Columns.Count) 17725Debug.Assert(rowIndex < Rows.Count && columnIndex < Columns.Count); 18320if (rowIndex < Rows.Count && columnIndex < Columns.Count) 18332Debug.Assert(rowIndex < Rows.Count && columnIndex < Columns.Count); 18732if (dataGridViewCell is not null && rowIndex < Rows.Count && columnIndex < Columns.Count) 18779Debug.Assert(rowIndex < Rows.Count && columnIndex < Columns.Count); 18950for (int i = 0; i < Columns.Count; i++) 19231if (Columns.Count > 0) 19496if (Columns.Count > 0 || Rows.Count > 0) 25325if (Columns.Count > 0 && NewRowIndex == -1) 25435for (int j = 0; j < dataGridViewCols.Count; j++) 25531if (DataConnection is not null && Columns.Count > 0) 26000Debug.Assert(columnIndex >= 0 && columnIndex < Columns.Count); 26199Debug.Assert(columnIndex >= 0 && columnIndex < Columns.Count); 26200Debug.Assert(DisplayedBandsInfo.FirstDisplayedScrollingCol >= -1 && DisplayedBandsInfo.FirstDisplayedScrollingCol < Columns.Count); 26201Debug.Assert(DisplayedBandsInfo.LastTotallyDisplayedScrollingCol >= -1 && DisplayedBandsInfo.LastTotallyDisplayedScrollingCol < Columns.Count); 26552int maxColumnIndex = Columns.Count; 26592int columnIndex = 0, maxColumnIndex = Columns.Count; 26685if (index >= Columns.Count) 26687index -= Columns.Count; 26744ArgumentOutOfRangeException.ThrowIfGreaterThanOrEqual(columnIndex, Columns.Count); 26781Debug.Assert(rowIndex >= 0 && columnIndex < Columns.Count && rowIndex < Rows.Count); 26948if (oldCurrentCellX < Columns.Count && oldCurrentCellY < Rows.Count) 27112if (oldCurrentCellX < Columns.Count && oldCurrentCellY < Rows.Count) 27468Debug.Assert(columnIndex >= 0 && rowIndex >= 0 && columnIndex < Columns.Count && rowIndex < Rows.Count); 27522for (int column = columnIndex + 1; column < Columns.Count; column++) 27541Debug.Assert(columnIndex >= 0 && columnIndex < Columns.Count); 27615ArgumentOutOfRangeException.ThrowIfGreaterThanOrEqual(columnIndex, Columns.Count); 27684if (Columns.Count > BulkPaintThreshold) 27702for (int column = columnIndex + 1; column < Columns.Count; column++) 27945ArgumentOutOfRangeException.ThrowIfGreaterThanOrEqual(columnIndex, Columns.Count); 28859ArgumentOutOfRangeException.ThrowIfGreaterThanOrEqual(columnIndex, Columns.Count); 28871ArgumentOutOfRangeException.ThrowIfGreaterThanOrEqual(columnIndex, Columns.Count); 29165&& _ptMouseEnteredCell.X < Columns.Count 29192&& _ptMouseEnteredCell.X < Columns.Count

482ColumnIndex < 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 && 971columnIndex < 0 || columnIndex >= DataGridView.Columns.Count ||

255if (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);

732ColumnIndex < DataGridView.Columns.Count &&

1077int cellsCount = rowTemplate.Cells.Count; 1129Debug.Assert(Cells.Count == dataGridView.Columns.Count); 1797int cellCount = cells.Count; 1798for (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++)

44for (int i = 0; i < dataGridView.Columns.Count; i++) 51for (int i = 0; i < dataGridView.Columns.Count; i++) 341for (int i = 0; i < dataGridView.Columns.Count; i++) 403for (int i = 0; i < dataGridView.Columns.Count; i++) 462for (int i = 0; i < dataGridView.Columns.Count;) 583DataGridViewColumn[] removeColumns = new DataGridViewColumn[dataGridView.Columns.Count]; 585for (int i = 0; i < dataGridView.Columns.Count; i++) 776dialog.Start(Control.Columns.Count, persistChangesToDesigner: true);

65Times.Exactly(_dataGridView.Columns.Count) 75Times.Exactly(_dataGridView.Columns.Count)

232for (int j = 0; j < dataGridView.Rows[i].Cells.Count; j++) 1314int columnCount = dataGridView.Columns.Count; 1345int columnCount = dataGridView.Columns.Count; 1388int columnCount = dataGridView.Columns.Count;

16Assert.Throws<NullReferenceException>(() => collection.Count); 27Assert.Equal(3, collection.Count);

37Assert.Equal(2, collection.Count);

41Assert.Equal(2, collection.Count);

36Assert.Equal(2, collection.Count);

2813Assert.Equal(2, control.Columns.Count); 2854Assert.Equal(2, control.Columns.Count); 2860Assert.Equal(2, control.Columns.Count); 2868Assert.Equal(2, control.Columns.Count);