Code:
/ DotNET / DotNET / 8.0 / untmp / WIN_WINDOWS / lh_tools_devdiv_wpf / Windows / wcp / Shared / MS / Internal / Ink / Native.cs / 1 / Native.cs
using System; using System.Security; using System.Runtime.InteropServices; namespace MS.Internal.Ink { internal static class Native { ////// Initialize the constants /// ////// Critical: Critical as this code invokes Marshal.SizeOf which uses LinkDemand for UnmanagedCode permission. /// TreatAsSafe: The method doesn't take any user inputs. It only pre-computes the size of our internal types. /// [SecurityCritical, SecurityTreatAsSafe] static Native() { // NOTICE-2005/10/14-[....], // Make sure those lengths are indepentent from the 32bit or 64bit platform. Otherwise it could // break the ISF format. SizeOfInt = (uint)Marshal.SizeOf(typeof(int)); SizeOfUInt = (uint)Marshal.SizeOf(typeof(uint)); SizeOfUShort = (uint)Marshal.SizeOf(typeof(ushort)); SizeOfByte = (uint)Marshal.SizeOf(typeof(byte)); SizeOfFloat = (uint)Marshal.SizeOf(typeof(float)); SizeOfDouble = (uint)Marshal.SizeOf(typeof(double)); SizeOfGuid = (uint)Marshal.SizeOf(typeof(Guid)); SizeOfDecimal = (uint)Marshal.SizeOf(typeof(decimal)); } internal static readonly uint SizeOfInt; // Size of an int internal static readonly uint SizeOfUInt; // Size of an unsigned int internal static readonly uint SizeOfUShort; // Size of an unsigned short internal static readonly uint SizeOfByte; // Size of a byte internal static readonly uint SizeOfFloat; // Size of a float internal static readonly uint SizeOfDouble; // Size of a double internal static readonly uint SizeOfGuid; // Size of a GUID internal static readonly uint SizeOfDecimal; // Size of a VB-style Decimal internal const int BitsPerByte = 8; // number of bits in a byte internal const int BitsPerShort = 16; // number of bits in one short - 2 bytes internal const int BitsPerInt = 32; // number of bits in one integer - 4 bytes internal const int BitsPerLong = 64; // number of bits in one long - 8 bytes // since casting from floats have mantisaa components, // casts from float to int are not constrained by // Int32.MaxValue, but by the maximum float value // whose mantissa component is still within range // of an integer. Anything larger will cause an overflow. internal const int MaxFloatToIntValue = 2147483584 - 1; // 2.14748e+009 } } // 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
- ComEventsHelper.cs
- OdbcPermission.cs
- XComponentModel.cs
- TableProviderWrapper.cs
- ListViewGroupConverter.cs
- TypeLibraryHelper.cs
- SourceElementsCollection.cs
- ResXResourceSet.cs
- GridViewCommandEventArgs.cs
- ControlAdapter.cs
- BaseValidator.cs
- CommandArguments.cs
- TextShapeableCharacters.cs
- LOSFormatter.cs
- ObjectDataSourceSelectingEventArgs.cs
- CodeMemberProperty.cs
- BufferedGraphicsManager.cs
- TextEmbeddedObject.cs
- Triangle.cs
- XdrBuilder.cs
- CommandSet.cs
- SafeCryptoHandles.cs
- AppDomainManager.cs
- UrlMappingsModule.cs
- TranslateTransform3D.cs
- ListBindingHelper.cs
- BufferedGraphics.cs
- XamlPoint3DCollectionSerializer.cs
- WebPartUtil.cs
- SessionState.cs
- ConsumerConnectionPoint.cs
- securitycriticaldata.cs
- GridPattern.cs
- ProjectionPlan.cs
- CallbackDebugElement.cs
- listitem.cs
- SatelliteContractVersionAttribute.cs
- InitializationEventAttribute.cs
- ParserOptions.cs
- newinstructionaction.cs
- RegisteredHiddenField.cs
- SubpageParagraph.cs
- ServiceDesigner.cs
- HttpWebResponse.cs
- IdentifierCreationService.cs
- StringInfo.cs
- XsltLibrary.cs
- TextEffectResolver.cs
- MenuCommand.cs
- DataListCommandEventArgs.cs
- UndoManager.cs
- OlePropertyStructs.cs
- SetterBase.cs
- ComEventsInfo.cs
- Floater.cs
- EnumBuilder.cs
- ObjectAnimationBase.cs
- ToolStripMenuItemDesigner.cs
- PreservationFileWriter.cs
- Ray3DHitTestResult.cs
- StringFormat.cs
- GreenMethods.cs
- SqlTransaction.cs
- ViewCellSlot.cs
- FontStretchConverter.cs
- SpecialTypeDataContract.cs
- ProcessInfo.cs
- TcpChannelHelper.cs
- ToolStripContentPanel.cs
- ObjectReaderCompiler.cs
- XmlConverter.cs
- ToggleButton.cs
- documentsequencetextcontainer.cs
- BuildDependencySet.cs
- DynamicRendererThreadManager.cs
- CompositeKey.cs
- SiteMapDataSource.cs
- TargetConverter.cs
- StyleSheet.cs
- PageParserFilter.cs
- RegexFCD.cs
- NativeMethods.cs
- ContextMenuAutomationPeer.cs
- VirtualizedItemProviderWrapper.cs
- ConfigurationElementProperty.cs
- IssuanceLicense.cs
- dataprotectionpermission.cs
- HtmlFormWrapper.cs
- ConstructorExpr.cs
- AudioBase.cs
- ProcessModule.cs
- TimeSpanStorage.cs
- _UncName.cs
- FunctionOverloadResolver.cs
- AssemblyHash.cs
- ParameterToken.cs
- TypeConstant.cs
- DataObjectEventArgs.cs
- TreeViewDataItemAutomationPeer.cs
- WebPartVerb.cs