Code:
/ Dotnetfx_Win7_3.5.1 / Dotnetfx_Win7_3.5.1 / 3.5.1 / DEVDIV / depot / DevDiv / releases / Orcas / NetFXw7 / wpf / src / Framework / MS / Internal / PtsTable / CalculatedColumn.cs / 1 / CalculatedColumn.cs
//---------------------------------------------------------------------------- // //// Copyright (C) Microsoft Corporation. All rights reserved. // // // // Description: Implementation of calculated column class. // Calculated columns are created as a result of table // width calculations. Calculated columns are used internally // to hold information about table's horizontal geometry // // History: // 06/19/2003 : olego - Created // //--------------------------------------------------------------------------- using MS.Internal.PtsHost; using System; using System.Diagnostics; using System.Windows; using System.Windows.Documents; using System.Windows.Media; using MS.Internal.PtsHost.UnsafeNativeMethods; namespace MS.Internal.PtsTable { ////// Calculated column implementation. /// internal struct CalculatedColumn { //----------------------------------------------------- // // Constructors // //----------------------------------------------------- #region Constructors #endregion Constructors //------------------------------------------------------ // // Internal Methods // //----------------------------------------------------- #region Internal Methods ////// ValidateAuto /// /// New min width value /// New max width value internal void ValidateAuto(double durMinWidth, double durMaxWidth) { Debug.Assert(0 <= durMinWidth && durMinWidth <= durMaxWidth); _durMinWidth = durMinWidth; _durMaxWidth = durMaxWidth; SetFlags(true, Flags.ValidAutofit); } #endregion Internal Methods //------------------------------------------------------ // // Internal Properties // //------------------------------------------------------ #region Internal Properties ////// Returns understood by PTS state of cell width dirtiness. /// internal int PtsWidthChanged { get { return (PTS.FromBoolean(!CheckFlags(Flags.ValidWidth))); } } ////// DurMinWidth /// internal double DurMinWidth { get { return (_durMinWidth); } } ////// DurMaxWidth /// internal double DurMaxWidth { get { return (_durMaxWidth); } } ////// UserWidth /// internal GridLength UserWidth { get { return (_userWidth); } set { if (_userWidth != value) { SetFlags(false, Flags.ValidAutofit); } _userWidth = value; } } ////// DurWidth /// internal double DurWidth { get { return (_durWidth); } set { if (!DoubleUtil.AreClose(_durWidth, value)) { SetFlags(false, Flags.ValidWidth); } _durWidth = value; } } ////// UrOffset /// internal double UrOffset { get { return (_urOffset); } set { _urOffset = value; } } #endregion Internal Properties //----------------------------------------------------- // // Private Methods // //------------------------------------------------------ #region Private Methods ////// SetFlags is used to set or unset one or multiple flags on the cell. /// private void SetFlags(bool value, Flags flags) { _flags = value ? (_flags | flags) : (_flags & (~flags)); } ////// CheckFlags returns true if all passed flags in the bitmask are set. /// private bool CheckFlags(Flags flags) { return ((_flags & flags) == flags); } #endregion Private Methods //----------------------------------------------------- // // Private Fields // //----------------------------------------------------- #region Private Fields private GridLength _userWidth; // user specified width for the column private double _durWidth; // calculated widht for the column private double _durMinWidth; // calculated minimum width for the column private double _durMaxWidth; // calculated maximum width for the column private double _urOffset; // column's offset private Flags _flags; // state #endregion Private Fields //----------------------------------------------------- // // Private Structures / Classes // //------------------------------------------------------ #region Private Structures Classes [System.Flags] private enum Flags { ValidWidth = 0x1, // resulting width unchanged ValidAutofit = 0x2, // auto width unchanged } #endregion Private Structures Classes } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved. //---------------------------------------------------------------------------- // //// Copyright (C) Microsoft Corporation. All rights reserved. // // // // Description: Implementation of calculated column class. // Calculated columns are created as a result of table // width calculations. Calculated columns are used internally // to hold information about table's horizontal geometry // // History: // 06/19/2003 : olego - Created // //--------------------------------------------------------------------------- using MS.Internal.PtsHost; using System; using System.Diagnostics; using System.Windows; using System.Windows.Documents; using System.Windows.Media; using MS.Internal.PtsHost.UnsafeNativeMethods; namespace MS.Internal.PtsTable { ////// Calculated column implementation. /// internal struct CalculatedColumn { //----------------------------------------------------- // // Constructors // //----------------------------------------------------- #region Constructors #endregion Constructors //------------------------------------------------------ // // Internal Methods // //----------------------------------------------------- #region Internal Methods ////// ValidateAuto /// /// New min width value /// New max width value internal void ValidateAuto(double durMinWidth, double durMaxWidth) { Debug.Assert(0 <= durMinWidth && durMinWidth <= durMaxWidth); _durMinWidth = durMinWidth; _durMaxWidth = durMaxWidth; SetFlags(true, Flags.ValidAutofit); } #endregion Internal Methods //------------------------------------------------------ // // Internal Properties // //------------------------------------------------------ #region Internal Properties ////// Returns understood by PTS state of cell width dirtiness. /// internal int PtsWidthChanged { get { return (PTS.FromBoolean(!CheckFlags(Flags.ValidWidth))); } } ////// DurMinWidth /// internal double DurMinWidth { get { return (_durMinWidth); } } ////// DurMaxWidth /// internal double DurMaxWidth { get { return (_durMaxWidth); } } ////// UserWidth /// internal GridLength UserWidth { get { return (_userWidth); } set { if (_userWidth != value) { SetFlags(false, Flags.ValidAutofit); } _userWidth = value; } } ////// DurWidth /// internal double DurWidth { get { return (_durWidth); } set { if (!DoubleUtil.AreClose(_durWidth, value)) { SetFlags(false, Flags.ValidWidth); } _durWidth = value; } } ////// UrOffset /// internal double UrOffset { get { return (_urOffset); } set { _urOffset = value; } } #endregion Internal Properties //----------------------------------------------------- // // Private Methods // //------------------------------------------------------ #region Private Methods ////// SetFlags is used to set or unset one or multiple flags on the cell. /// private void SetFlags(bool value, Flags flags) { _flags = value ? (_flags | flags) : (_flags & (~flags)); } ////// CheckFlags returns true if all passed flags in the bitmask are set. /// private bool CheckFlags(Flags flags) { return ((_flags & flags) == flags); } #endregion Private Methods //----------------------------------------------------- // // Private Fields // //----------------------------------------------------- #region Private Fields private GridLength _userWidth; // user specified width for the column private double _durWidth; // calculated widht for the column private double _durMinWidth; // calculated minimum width for the column private double _durMaxWidth; // calculated maximum width for the column private double _urOffset; // column's offset private Flags _flags; // state #endregion Private Fields //----------------------------------------------------- // // Private Structures / Classes // //------------------------------------------------------ #region Private Structures Classes [System.Flags] private enum Flags { ValidWidth = 0x1, // resulting width unchanged ValidAutofit = 0x2, // auto width unchanged } #endregion Private Structures Classes } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved.
Link Menu
This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- TextElementEnumerator.cs
- BlurBitmapEffect.cs
- EndEvent.cs
- SoapSchemaExporter.cs
- LogConverter.cs
- StringHandle.cs
- ComboBoxAutomationPeer.cs
- EntityClassGenerator.cs
- DataGridColumn.cs
- RoleService.cs
- EventInfo.cs
- ConstNode.cs
- xmlsaver.cs
- OdbcConnectionPoolProviderInfo.cs
- DataGridViewRowsRemovedEventArgs.cs
- BitmapPalettes.cs
- SafePEFileHandle.cs
- OdbcCommand.cs
- GroupPartitionExpr.cs
- NotSupportedException.cs
- WebPartCloseVerb.cs
- AutomationElementCollection.cs
- PenLineJoinValidation.cs
- UrlAuthorizationModule.cs
- StatusStrip.cs
- XsdDateTime.cs
- SyntaxCheck.cs
- DetailsViewRowCollection.cs
- DrawingGroup.cs
- DataColumnCollection.cs
- Margins.cs
- StorageEntityContainerMapping.cs
- WebPartEditorCancelVerb.cs
- WebPartRestoreVerb.cs
- RowToParametersTransformer.cs
- MediaSystem.cs
- CompilationLock.cs
- SerializationSectionGroup.cs
- SoapSchemaExporter.cs
- FixedTextView.cs
- CalendarDay.cs
- NavigationWindowAutomationPeer.cs
- SchemaObjectWriter.cs
- AttributeData.cs
- XmlReflectionMember.cs
- DataConnectionHelper.cs
- WebPartUserCapability.cs
- DataProtection.cs
- TokenBasedSetEnumerator.cs
- XmlAttributeCache.cs
- ToolStripProgressBar.cs
- NativeMethodsCLR.cs
- MultiView.cs
- HttpResponseWrapper.cs
- DynamicDocumentPaginator.cs
- XmlSchemas.cs
- EntityDataSourceConfigureObjectContextPanel.cs
- DocumentViewerAutomationPeer.cs
- TextCompositionEventArgs.cs
- ActivityPreviewDesigner.cs
- HorizontalAlignConverter.cs
- Registration.cs
- CursorInteropHelper.cs
- EntityDataSourceDesignerHelper.cs
- InlineUIContainer.cs
- DataBindEngine.cs
- DataColumn.cs
- SafePointer.cs
- HierarchicalDataBoundControl.cs
- SerializationAttributes.cs
- TableRow.cs
- SecurityState.cs
- HeaderUtility.cs
- Command.cs
- HostedImpersonationContext.cs
- QuaternionAnimationBase.cs
- RootBrowserWindowAutomationPeer.cs
- PersonalizationProvider.cs
- HostedHttpContext.cs
- FormViewDeleteEventArgs.cs
- MultiPartWriter.cs
- DateTimeOffsetStorage.cs
- AgileSafeNativeMemoryHandle.cs
- WorkflowDesignerColors.cs
- TranslateTransform.cs
- RecordManager.cs
- EntityClassGenerator.cs
- ColorInterpolationModeValidation.cs
- ValueConversionAttribute.cs
- Win32.cs
- WindowsListViewItem.cs
- Html32TextWriter.cs
- TypedTableBase.cs
- MethodBuilderInstantiation.cs
- XPathNodeInfoAtom.cs
- TdsParserStaticMethods.cs
- SelectedDatesCollection.cs
- FromReply.cs
- AppDomain.cs
- DecoderNLS.cs