Code:
/ Dotnetfx_Vista_SP2 / Dotnetfx_Vista_SP2 / 8.0.50727.4016 / DEVDIV / depot / DevDiv / releases / whidbey / NetFxQFE / ndp / clr / src / BCL / System / Security / Permissions / FileDialogPermission.cs / 1 / FileDialogPermission.cs
// ==++== // // Copyright (c) Microsoft Corporation. All rights reserved. // // ==--== // FileDialogPermission.cs // namespace System.Security.Permissions { using System; using System.Text; using System.Security; using System.Security.Util; using System.IO; using System.Runtime.Serialization; using System.Reflection; using System.Collections; using System.Globalization; [Serializable, Flags] [System.Runtime.InteropServices.ComVisible(true)] public enum FileDialogPermissionAccess { None = 0x00, Open = 0x01, Save = 0x02, OpenSave = Open | Save } [Serializable] [System.Runtime.InteropServices.ComVisible(true)] public sealed class FileDialogPermission : CodeAccessPermission, IUnrestrictedPermission, IBuiltInPermission { FileDialogPermissionAccess access; public FileDialogPermission(PermissionState state) { if (state == PermissionState.Unrestricted) { SetUnrestricted(true); } else if (state == PermissionState.None) { SetUnrestricted(false); Reset(); } else { throw new ArgumentException(Environment.GetResourceString("Argument_InvalidPermissionState")); } } public FileDialogPermission(FileDialogPermissionAccess access) { VerifyAccess(access); this.access = access; } public FileDialogPermissionAccess Access { get { return access; } set { VerifyAccess(value); access = value; } } public override IPermission Copy() { return new FileDialogPermission(this.access); } public override void FromXml(SecurityElement esd) { CodeAccessPermission.ValidateElement(esd, this); if (XMLUtil.IsUnrestricted(esd)) { SetUnrestricted(true); return; } access = FileDialogPermissionAccess.None; string accessXml = esd.Attribute("Access"); if (accessXml != null) access = (FileDialogPermissionAccess)Enum.Parse(typeof(FileDialogPermissionAccess), accessXml); } ///int IBuiltInPermission.GetTokenIndex() { return FileDialogPermission.GetTokenIndex(); } internal static int GetTokenIndex() { return BuiltInPermissionIndex.FileDialogPermissionIndex; } public override IPermission Intersect(IPermission target) { if (target == null) { return null; } else if (!VerifyType(target)) { throw new ArgumentException(String.Format(CultureInfo.CurrentCulture, Environment.GetResourceString("Argument_WrongType"), this.GetType().FullName)); } FileDialogPermission operand = (FileDialogPermission)target; FileDialogPermissionAccess intersectAccess = access & operand.Access; if (intersectAccess == FileDialogPermissionAccess.None) return null; else return new FileDialogPermission(intersectAccess); } public override bool IsSubsetOf(IPermission target) { if (target == null) { // Only safe subset if this is empty return access == FileDialogPermissionAccess.None; } try { FileDialogPermission operand = (FileDialogPermission)target; if (operand.IsUnrestricted()) { return true; } else if (this.IsUnrestricted()) { return false; } else { int open = (int)(access & FileDialogPermissionAccess.Open); int save = (int)(access & FileDialogPermissionAccess.Save); int openTarget = (int)(operand.Access & FileDialogPermissionAccess.Open); int saveTarget = (int)(operand.Access & FileDialogPermissionAccess.Save); return open <= openTarget && save <= saveTarget; } } catch (InvalidCastException) { throw new ArgumentException(String.Format(CultureInfo.CurrentCulture, Environment.GetResourceString("Argument_WrongType"), this.GetType().FullName)); } } public bool IsUnrestricted() { return access == FileDialogPermissionAccess.OpenSave; } void Reset() { access = FileDialogPermissionAccess.None; } void SetUnrestricted( bool unrestricted ) { if (unrestricted) { access = FileDialogPermissionAccess.OpenSave; } } public override SecurityElement ToXml() { SecurityElement esd = CodeAccessPermission.CreatePermissionElement( this, "System.Security.Permissions.FileDialogPermission" ); if (!IsUnrestricted()) { if (access != FileDialogPermissionAccess.None) { esd.AddAttribute("Access", Enum.GetName(typeof(FileDialogPermissionAccess), access)); } } else { esd.AddAttribute("Unrestricted", "true"); } return esd; } public override IPermission Union(IPermission target) { if (target == null) { return this.Copy(); } else if (!VerifyType(target)) { throw new ArgumentException(String.Format(CultureInfo.CurrentCulture, Environment.GetResourceString("Argument_WrongType"), this.GetType().FullName)); } FileDialogPermission operand = (FileDialogPermission)target; return new FileDialogPermission(access | operand.Access); } static void VerifyAccess(FileDialogPermissionAccess access) { if ((access & ~FileDialogPermissionAccess.OpenSave) != 0 ) { throw new ArgumentException(String.Format(CultureInfo.CurrentCulture, Environment.GetResourceString("Arg_EnumIllegalVal"), (int)access)); } } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // ==++== // // Copyright (c) Microsoft Corporation. All rights reserved. // // ==--== // FileDialogPermission.cs // namespace System.Security.Permissions { using System; using System.Text; using System.Security; using System.Security.Util; using System.IO; using System.Runtime.Serialization; using System.Reflection; using System.Collections; using System.Globalization; [Serializable, Flags] [System.Runtime.InteropServices.ComVisible(true)] public enum FileDialogPermissionAccess { None = 0x00, Open = 0x01, Save = 0x02, OpenSave = Open | Save } [Serializable] [System.Runtime.InteropServices.ComVisible(true)] public sealed class FileDialogPermission : CodeAccessPermission, IUnrestrictedPermission, IBuiltInPermission { FileDialogPermissionAccess access; public FileDialogPermission(PermissionState state) { if (state == PermissionState.Unrestricted) { SetUnrestricted(true); } else if (state == PermissionState.None) { SetUnrestricted(false); Reset(); } else { throw new ArgumentException(Environment.GetResourceString("Argument_InvalidPermissionState")); } } public FileDialogPermission(FileDialogPermissionAccess access) { VerifyAccess(access); this.access = access; } public FileDialogPermissionAccess Access { get { return access; } set { VerifyAccess(value); access = value; } } public override IPermission Copy() { return new FileDialogPermission(this.access); } public override void FromXml(SecurityElement esd) { CodeAccessPermission.ValidateElement(esd, this); if (XMLUtil.IsUnrestricted(esd)) { SetUnrestricted(true); return; } access = FileDialogPermissionAccess.None; string accessXml = esd.Attribute("Access"); if (accessXml != null) access = (FileDialogPermissionAccess)Enum.Parse(typeof(FileDialogPermissionAccess), accessXml); } /// int IBuiltInPermission.GetTokenIndex() { return FileDialogPermission.GetTokenIndex(); } internal static int GetTokenIndex() { return BuiltInPermissionIndex.FileDialogPermissionIndex; } public override IPermission Intersect(IPermission target) { if (target == null) { return null; } else if (!VerifyType(target)) { throw new ArgumentException(String.Format(CultureInfo.CurrentCulture, Environment.GetResourceString("Argument_WrongType"), this.GetType().FullName)); } FileDialogPermission operand = (FileDialogPermission)target; FileDialogPermissionAccess intersectAccess = access & operand.Access; if (intersectAccess == FileDialogPermissionAccess.None) return null; else return new FileDialogPermission(intersectAccess); } public override bool IsSubsetOf(IPermission target) { if (target == null) { // Only safe subset if this is empty return access == FileDialogPermissionAccess.None; } try { FileDialogPermission operand = (FileDialogPermission)target; if (operand.IsUnrestricted()) { return true; } else if (this.IsUnrestricted()) { return false; } else { int open = (int)(access & FileDialogPermissionAccess.Open); int save = (int)(access & FileDialogPermissionAccess.Save); int openTarget = (int)(operand.Access & FileDialogPermissionAccess.Open); int saveTarget = (int)(operand.Access & FileDialogPermissionAccess.Save); return open <= openTarget && save <= saveTarget; } } catch (InvalidCastException) { throw new ArgumentException(String.Format(CultureInfo.CurrentCulture, Environment.GetResourceString("Argument_WrongType"), this.GetType().FullName)); } } public bool IsUnrestricted() { return access == FileDialogPermissionAccess.OpenSave; } void Reset() { access = FileDialogPermissionAccess.None; } void SetUnrestricted( bool unrestricted ) { if (unrestricted) { access = FileDialogPermissionAccess.OpenSave; } } public override SecurityElement ToXml() { SecurityElement esd = CodeAccessPermission.CreatePermissionElement( this, "System.Security.Permissions.FileDialogPermission" ); if (!IsUnrestricted()) { if (access != FileDialogPermissionAccess.None) { esd.AddAttribute("Access", Enum.GetName(typeof(FileDialogPermissionAccess), access)); } } else { esd.AddAttribute("Unrestricted", "true"); } return esd; } public override IPermission Union(IPermission target) { if (target == null) { return this.Copy(); } else if (!VerifyType(target)) { throw new ArgumentException(String.Format(CultureInfo.CurrentCulture, Environment.GetResourceString("Argument_WrongType"), this.GetType().FullName)); } FileDialogPermission operand = (FileDialogPermission)target; return new FileDialogPermission(access | operand.Access); } static void VerifyAccess(FileDialogPermissionAccess access) { if ((access & ~FileDialogPermissionAccess.OpenSave) != 0 ) { throw new ArgumentException(String.Format(CultureInfo.CurrentCulture, Environment.GetResourceString("Arg_EnumIllegalVal"), (int)access)); } } } } // 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
- EventLogPermissionAttribute.cs
- DataGridTextBox.cs
- HandlerBase.cs
- _SecureChannel.cs
- RootDesignerSerializerAttribute.cs
- DynamicRendererThreadManager.cs
- Semaphore.cs
- FigureParaClient.cs
- TaiwanLunisolarCalendar.cs
- HelpEvent.cs
- LayoutEngine.cs
- SiteMapNode.cs
- TreePrinter.cs
- QuaternionRotation3D.cs
- FeatureAttribute.cs
- BinaryWriter.cs
- SafeFileHandle.cs
- DataGridCell.cs
- EmbossBitmapEffect.cs
- RegexMatchCollection.cs
- SearchForVirtualItemEventArgs.cs
- QueryOutputWriter.cs
- TemplateBuilder.cs
- DataTrigger.cs
- InfocardClientCredentials.cs
- Item.cs
- LayoutDump.cs
- SimpleHandlerFactory.cs
- ExpressionEditor.cs
- ParseNumbers.cs
- CodeValidator.cs
- QilCloneVisitor.cs
- ConsoleEntryPoint.cs
- ListViewEditEventArgs.cs
- CaseInsensitiveComparer.cs
- DetailsViewCommandEventArgs.cs
- StrongTypingException.cs
- DataGridViewTextBoxColumn.cs
- Package.cs
- cookieexception.cs
- TextModifier.cs
- MeasureItemEvent.cs
- PerformanceCounterTraceRecord.cs
- ProfilePropertySettingsCollection.cs
- ScalarConstant.cs
- EditBehavior.cs
- Tuple.cs
- SerializationAttributes.cs
- DecimalAnimationBase.cs
- PerfCounterSection.cs
- ColorIndependentAnimationStorage.cs
- RsaSecurityToken.cs
- DataSvcMapFileSerializer.cs
- BuildProvidersCompiler.cs
- FlowNode.cs
- Vector3D.cs
- XmlEnumAttribute.cs
- NameTable.cs
- ListDesigner.cs
- PasswordTextNavigator.cs
- NativeMethods.cs
- IgnorePropertiesAttribute.cs
- CollectionChangeEventArgs.cs
- TypeSystem.cs
- Evaluator.cs
- AncestorChangedEventArgs.cs
- MenuItemCollectionEditor.cs
- JsonWriter.cs
- ContextQuery.cs
- TargetPerspective.cs
- DrawListViewSubItemEventArgs.cs
- StatusBarPanel.cs
- Switch.cs
- TdsEnums.cs
- SchemaImporter.cs
- CategoriesDocumentFormatter.cs
- TextViewDesigner.cs
- GetCryptoTransformRequest.cs
- VirtualDirectoryMapping.cs
- SizeConverter.cs
- ObjectItemCollection.cs
- DataGridViewHitTestInfo.cs
- SQLDecimalStorage.cs
- ValueHandle.cs
- InstanceLockTracking.cs
- GeometryHitTestParameters.cs
- SqlConnectionHelper.cs
- SectionInput.cs
- TextEditorParagraphs.cs
- StringUtil.cs
- DoubleCollectionConverter.cs
- WebPartDescription.cs
- ObjRef.cs
- MetricEntry.cs
- BufferedResponseStream.cs
- ImportContext.cs
- AtomEntry.cs
- HttpException.cs
- DispatcherExceptionEventArgs.cs
- ZipIOBlockManager.cs