Code:
/ 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / WinForms / Managed / System / WinForms / DatagridviewDisplayedBandsData.cs / 1305376 / DatagridviewDisplayedBandsData.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- namespace System.Windows.Forms { public partial class DataGridView { internal class DisplayedBandsData { private bool dirty; private int firstDisplayedFrozenRow; private int firstDisplayedFrozenCol; private int numDisplayedFrozenRows; private int numDisplayedFrozenCols; private int numTotallyDisplayedFrozenRows; private int firstDisplayedScrollingRow; private int numDisplayedScrollingRows; private int numTotallyDisplayedScrollingRows; private int firstDisplayedScrollingCol; private int numDisplayedScrollingCols; private int lastTotallyDisplayedScrollingCol; private int lastDisplayedScrollingRow; private int lastDisplayedFrozenCol; private int lastDisplayedFrozenRow; private int oldFirstDisplayedScrollingRow; private int oldFirstDisplayedScrollingCol; private int oldNumDisplayedFrozenRows; private int oldNumDisplayedScrollingRows; private bool rowInsertionOccurred, columnInsertionOccurred; public DisplayedBandsData() { this.firstDisplayedFrozenRow = -1; this.firstDisplayedFrozenCol = -1; this.firstDisplayedScrollingRow = -1; this.firstDisplayedScrollingCol = -1; this.lastTotallyDisplayedScrollingCol = -1; this.lastDisplayedScrollingRow = -1; this.lastDisplayedFrozenCol = -1; this.lastDisplayedFrozenRow = -1; this.oldFirstDisplayedScrollingRow = -1; this.oldFirstDisplayedScrollingCol = -1; } public bool ColumnInsertionOccurred { get { return this.columnInsertionOccurred; } } public bool Dirty { get { return this.dirty; } set { this.dirty = value; } } public int FirstDisplayedFrozenCol { set { if (value != this.firstDisplayedFrozenCol) { EnsureDirtyState(); this.firstDisplayedFrozenCol = value; } } } public int FirstDisplayedFrozenRow { set { if (value != this.firstDisplayedFrozenRow) { EnsureDirtyState(); this.firstDisplayedFrozenRow = value; } } } public int FirstDisplayedScrollingCol { get { return this.firstDisplayedScrollingCol; } set { if (value != this.firstDisplayedScrollingCol) { EnsureDirtyState(); this.firstDisplayedScrollingCol = value; } } } public int FirstDisplayedScrollingRow { get { return this.firstDisplayedScrollingRow; } set { if (value != this.firstDisplayedScrollingRow) { EnsureDirtyState(); this.firstDisplayedScrollingRow = value; } } } public int LastDisplayedFrozenCol { set { if (value != this.lastDisplayedFrozenCol) { EnsureDirtyState(); this.lastDisplayedFrozenCol = value; } } } public int LastDisplayedFrozenRow { set { if (value != this.lastDisplayedFrozenRow) { EnsureDirtyState(); this.lastDisplayedFrozenRow = value; } } } public int LastDisplayedScrollingRow { set { if (value != this.lastDisplayedScrollingRow) { EnsureDirtyState(); this.lastDisplayedScrollingRow = value; } } } public int LastTotallyDisplayedScrollingCol { get { return this.lastTotallyDisplayedScrollingCol; } set { if (value != this.lastTotallyDisplayedScrollingCol) { EnsureDirtyState(); this.lastTotallyDisplayedScrollingCol = value; } } } public int NumDisplayedFrozenCols { get { return this.numDisplayedFrozenCols; } set { if (value != this.numDisplayedFrozenCols) { EnsureDirtyState(); this.numDisplayedFrozenCols = value; } } } public int NumDisplayedFrozenRows { get { return this.numDisplayedFrozenRows; } set { if (value != this.numDisplayedFrozenRows) { EnsureDirtyState(); this.numDisplayedFrozenRows = value; } } } public int NumDisplayedScrollingRows { get { return this.numDisplayedScrollingRows; } set { if (value != this.numDisplayedScrollingRows) { EnsureDirtyState(); this.numDisplayedScrollingRows = value; } } } public int NumDisplayedScrollingCols { get { return this.numDisplayedScrollingCols; } set { if (value != this.numDisplayedScrollingCols) { EnsureDirtyState(); this.numDisplayedScrollingCols = value; } } } public int NumTotallyDisplayedFrozenRows { get { return this.numTotallyDisplayedFrozenRows; } set { if (value != this.numTotallyDisplayedFrozenRows) { EnsureDirtyState(); this.numTotallyDisplayedFrozenRows = value; } } } public int NumTotallyDisplayedScrollingRows { get { return this.numTotallyDisplayedScrollingRows; } set { if (value != this.numTotallyDisplayedScrollingRows) { EnsureDirtyState(); this.numTotallyDisplayedScrollingRows = value; } } } public int OldFirstDisplayedScrollingCol { get { return this.oldFirstDisplayedScrollingCol; } } public int OldFirstDisplayedScrollingRow { get { return this.oldFirstDisplayedScrollingRow; } } public int OldNumDisplayedFrozenRows { get { return this.oldNumDisplayedFrozenRows; } } public int OldNumDisplayedScrollingRows { get { return this.oldNumDisplayedScrollingRows; } } public bool RowInsertionOccurred { get { return this.rowInsertionOccurred; } } public void EnsureDirtyState() { if (!this.dirty) { this.dirty = true; this.rowInsertionOccurred = false; this.columnInsertionOccurred = false; SetOldValues(); } } public void CorrectColumnIndexAfterInsertion(int columnIndex, int insertionCount) { EnsureDirtyState(); if (this.oldFirstDisplayedScrollingCol != -1 && columnIndex <= this.oldFirstDisplayedScrollingCol) { this.oldFirstDisplayedScrollingCol += insertionCount; } this.columnInsertionOccurred = true; } public void CorrectRowIndexAfterDeletion(int rowIndex) { EnsureDirtyState(); if (this.oldFirstDisplayedScrollingRow != -1 && rowIndex <= this.oldFirstDisplayedScrollingRow) { this.oldFirstDisplayedScrollingRow--; } } public void CorrectRowIndexAfterInsertion(int rowIndex, int insertionCount) { EnsureDirtyState(); if (this.oldFirstDisplayedScrollingRow != -1 && rowIndex <= this.oldFirstDisplayedScrollingRow) { this.oldFirstDisplayedScrollingRow += insertionCount; } this.rowInsertionOccurred = true; this.oldNumDisplayedScrollingRows += insertionCount; this.oldNumDisplayedFrozenRows += insertionCount; } private void SetOldValues() { this.oldFirstDisplayedScrollingRow = this.firstDisplayedScrollingRow; this.oldFirstDisplayedScrollingCol = this.firstDisplayedScrollingCol; this.oldNumDisplayedFrozenRows = this.numDisplayedFrozenRows; this.oldNumDisplayedScrollingRows = this.numDisplayedScrollingRows; } } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007.
Link Menu
This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- SafeNativeMethods.cs
- _NegoState.cs
- ClientScriptManager.cs
- HttpAsyncResult.cs
- XhtmlBasicCalendarAdapter.cs
- MarkedHighlightComponent.cs
- PriorityRange.cs
- FlowDocumentView.cs
- ParallelQuery.cs
- UpDownBase.cs
- PeerNameRecordCollection.cs
- XmlSortKeyAccumulator.cs
- BoundingRectTracker.cs
- ProviderCollection.cs
- DLinqTableProvider.cs
- DirectoryObjectSecurity.cs
- ExceptionHelpers.cs
- BufferedGraphicsContext.cs
- CapacityStreamGeometryContext.cs
- QueryRewriter.cs
- Cursor.cs
- FormsAuthenticationUserCollection.cs
- BindMarkupExtensionSerializer.cs
- WpfKnownTypeInvoker.cs
- MatrixConverter.cs
- Pair.cs
- QueueProcessor.cs
- XslCompiledTransform.cs
- KeyConverter.cs
- EmptyStringExpandableObjectConverter.cs
- StringFormat.cs
- DataGridViewLayoutData.cs
- GacUtil.cs
- KeysConverter.cs
- UserCancellationException.cs
- ObjectReaderCompiler.cs
- XmlIlGenerator.cs
- DataReceivedEventArgs.cs
- ApplicationProxyInternal.cs
- QilPatternVisitor.cs
- ToolStripControlHost.cs
- ReadOnlyHierarchicalDataSource.cs
- ValidationRule.cs
- FontCacheLogic.cs
- ComponentEditorPage.cs
- ScrollProperties.cs
- DataTablePropertyDescriptor.cs
- NullRuntimeConfig.cs
- BaseParser.cs
- SignatureHelper.cs
- Journaling.cs
- WebControlsSection.cs
- SecureUICommand.cs
- HorizontalAlignConverter.cs
- ConditionBrowserDialog.cs
- SettingsContext.cs
- ErrorHandler.cs
- ToggleButton.cs
- AtlasWeb.Designer.cs
- DbModificationCommandTree.cs
- FrameworkElementFactoryMarkupObject.cs
- BamlResourceDeserializer.cs
- CopyAction.cs
- FromReply.cs
- ImageBrush.cs
- AlternationConverter.cs
- SessionParameter.cs
- CategoryAttribute.cs
- EditorOptionAttribute.cs
- ConnectionProviderAttribute.cs
- X509Utils.cs
- BitSet.cs
- HttpHandlersInstallComponent.cs
- HttpHandlerAction.cs
- Vector3DAnimationBase.cs
- XmlSchemaComplexContentExtension.cs
- XmlSerializableWriter.cs
- CircleHotSpot.cs
- RectangleF.cs
- ValidationErrorInfo.cs
- SessionStateContainer.cs
- EllipseGeometry.cs
- OperatingSystem.cs
- RegistryConfigurationProvider.cs
- InternalEnumValidator.cs
- DesignOnlyAttribute.cs
- Choices.cs
- initElementDictionary.cs
- DurableOperationContext.cs
- FixedHyperLink.cs
- SafeCertificateContext.cs
- ApplicationInfo.cs
- KeyGestureValueSerializer.cs
- TransformerTypeCollection.cs
- JapaneseLunisolarCalendar.cs
- SpellerInterop.cs
- LinkButton.cs
- OdbcPermission.cs
- SessionStateContainer.cs
- QueryOperationResponseOfT.cs