Code:
/ FX-1434 / FX-1434 / 1.0 / untmp / whidbey / REDBITS / ndp / fx / src / CompMod / System / ComponentModel / LicFileLicenseProvider.cs / 1 / LicFileLicenseProvider.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- namespace System.ComponentModel { using System; using System.ComponentModel.Design; using System.Diagnostics; using System.Globalization; using System.IO; using System.Reflection; using System.Runtime.Remoting; using System.Security.Permissions; ////// /// [HostProtection(SharedState = true)] public class LicFileLicenseProvider : LicenseProvider { ///Provides an implementation of a ///. The provider works in /// a similar fashion to Microsoft .NET Framework standard licensing module. /// /// protected virtual bool IsKeyValid(string key, Type type) { if (key != null) { return key.StartsWith(GetKey(type)); } return false; } ///Determines if the key retrieved by the ///method is valid /// for the specified type. /// /// Creates a key for the specified type. /// protected virtual string GetKey(Type type) { // This string should not be localized. // return string.Format(CultureInfo.InvariantCulture, "{0} is a licensed component.", type.FullName); } ////// /// public override License GetLicense(LicenseContext context, Type type, object instance, bool allowExceptions) { LicFileLicense lic = null; Debug.Assert(context != null, "No context provided!"); if (context != null) { if (context.UsageMode == LicenseUsageMode.Runtime) { string key = context.GetSavedLicenseKey(type, null); if (key != null && IsKeyValid(key, type)) { lic = new LicFileLicense(this, key); } } if (lic == null) { string modulePath = null; if (context != null) { ITypeResolutionService resolver = (ITypeResolutionService)context.GetService(typeof(ITypeResolutionService)); if (resolver != null) { modulePath = resolver.GetPathOfAssembly(type.Assembly.GetName()); } } if (modulePath == null) { modulePath = type.Module.FullyQualifiedName; } string moduleDir = Path.GetDirectoryName(modulePath); string licenseFile = moduleDir + "\\" + type.FullName + ".lic"; Debug.WriteLine("Looking for license in: " + licenseFile); if (File.Exists(licenseFile)) { Stream licStream = new FileStream(licenseFile, FileMode.Open, FileAccess.Read, FileShare.Read); StreamReader sr = new StreamReader(licStream); string s = sr.ReadLine(); sr.Close(); if (IsKeyValid(s, type)) { lic = new LicFileLicense(this, GetKey(type)); } } if (lic != null) { context.SetSavedLicenseKey(type, lic.LicenseKey); } } } return lic; } private class LicFileLicense : License { private LicFileLicenseProvider owner; private string key; public LicFileLicense(LicFileLicenseProvider owner, string key) { this.owner = owner; this.key = key; } public override string LicenseKey { get { return key; } } public override void Dispose() { } } } }Gets a license for the instance of the component and determines if it is valid. ///
Link Menu
This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- EventRoute.cs
- CSharpCodeProvider.cs
- WindowsGrip.cs
- FtpWebResponse.cs
- CachedTypeface.cs
- CustomCredentialPolicy.cs
- ListItemCollection.cs
- CodeMemberProperty.cs
- LinkedList.cs
- PointConverter.cs
- MemoryStream.cs
- Pool.cs
- InputMethodStateChangeEventArgs.cs
- MatrixAnimationBase.cs
- Utils.cs
- FtpCachePolicyElement.cs
- bindurihelper.cs
- SqlNotificationRequest.cs
- NotCondition.cs
- CollectionViewGroupInternal.cs
- CryptoHelper.cs
- BamlTreeNode.cs
- BuildProviderCollection.cs
- XmlDownloadManager.cs
- JoinElimination.cs
- SpoolingTaskBase.cs
- PointAnimationBase.cs
- Stack.cs
- AssemblyName.cs
- QuaternionRotation3D.cs
- RSAOAEPKeyExchangeDeformatter.cs
- NativeWindow.cs
- TypeInfo.cs
- ObjRef.cs
- EventEntry.cs
- BigInt.cs
- SizeF.cs
- ZipIOExtraField.cs
- XsdBuildProvider.cs
- DataAdapter.cs
- GroupBoxAutomationPeer.cs
- FontDifferentiator.cs
- InstanceDataCollectionCollection.cs
- WebBrowserProgressChangedEventHandler.cs
- GenericIdentity.cs
- HttpHandlerActionCollection.cs
- PathSegment.cs
- Descriptor.cs
- Vector3D.cs
- SettingsAttributeDictionary.cs
- TransactedBatchContext.cs
- ProcessHostFactoryHelper.cs
- HostedImpersonationContext.cs
- ResolveNextArgumentWorkItem.cs
- CompilerResults.cs
- CompilerErrorCollection.cs
- SqlErrorCollection.cs
- glyphs.cs
- AnnotationAdorner.cs
- MergeEnumerator.cs
- MailMessage.cs
- CodeTryCatchFinallyStatement.cs
- ClientSession.cs
- Error.cs
- VoiceChangeEventArgs.cs
- ObjectSelectorEditor.cs
- InvalidateEvent.cs
- XmlILModule.cs
- X509PeerCertificateAuthenticationElement.cs
- TabControl.cs
- SqlDataReaderSmi.cs
- ObjectDataSourceStatusEventArgs.cs
- EpmSourcePathSegment.cs
- XPathBinder.cs
- PageCatalogPart.cs
- Touch.cs
- ContainerFilterService.cs
- SettingsPropertyIsReadOnlyException.cs
- SmtpDigestAuthenticationModule.cs
- Trigger.cs
- TableLayoutStyleCollection.cs
- BitHelper.cs
- CacheChildrenQuery.cs
- CompareInfo.cs
- SqlServer2KCompatibilityAnnotation.cs
- ExpressionBuilderContext.cs
- KoreanLunisolarCalendar.cs
- CardSpaceSelector.cs
- XmlHierarchicalEnumerable.cs
- mongolianshape.cs
- CellNormalizer.cs
- Pointer.cs
- QuestionEventArgs.cs
- HelpEvent.cs
- DataGridTablesFactory.cs
- DataGridViewMethods.cs
- ListControlConvertEventArgs.cs
- AndCondition.cs
- XmlQualifiedName.cs
- SoapAttributeAttribute.cs