Code:
/ Dotnetfx_Win7_3.5.1 / Dotnetfx_Win7_3.5.1 / 3.5.1 / DEVDIV / depot / DevDiv / releases / whidbey / NetFXspW7 / 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
- AVElementHelper.cs
- UnaryQueryOperator.cs
- FileLogRecordEnumerator.cs
- DurableInstanceProvider.cs
- DbProviderSpecificTypePropertyAttribute.cs
- ThrowHelper.cs
- CalendarAutoFormatDialog.cs
- ListBox.cs
- ImageIndexConverter.cs
- DeploymentSection.cs
- DoubleCollectionConverter.cs
- DocobjHost.cs
- SoapAttributeOverrides.cs
- BitArray.cs
- EditorZoneDesigner.cs
- QueryStringConverter.cs
- ISAPIApplicationHost.cs
- AuthenticationConfig.cs
- CompilerGeneratedAttribute.cs
- Utils.cs
- ListenerAdapter.cs
- PassportAuthenticationModule.cs
- AuthenticatedStream.cs
- InvariantComparer.cs
- MessageQueueCriteria.cs
- RadioButtonPopupAdapter.cs
- Span.cs
- ConversionValidationRule.cs
- FileNotFoundException.cs
- IncrementalHitTester.cs
- ManagedCodeMarkers.cs
- SqlDataSourceEnumerator.cs
- control.ime.cs
- ConfigurationFileMap.cs
- SiteMapNode.cs
- AnnotationResourceChangedEventArgs.cs
- InitializationEventAttribute.cs
- CompositeFontFamily.cs
- BaseHashHelper.cs
- XMLDiffLoader.cs
- MethodAccessException.cs
- StyleTypedPropertyAttribute.cs
- DataControlButton.cs
- ConfigurationSectionGroupCollection.cs
- SelectionPattern.cs
- XhtmlBasicLiteralTextAdapter.cs
- FunctionQuery.cs
- SmtpFailedRecipientsException.cs
- DataRowExtensions.cs
- ByteAnimationUsingKeyFrames.cs
- SizeValueSerializer.cs
- AccessDataSourceDesigner.cs
- DeploymentSection.cs
- SolidColorBrush.cs
- VScrollProperties.cs
- PageTrueTypeFont.cs
- MimeParameterWriter.cs
- PbrsForward.cs
- SQLDecimal.cs
- Socket.cs
- CheckableControlBaseAdapter.cs
- MailFileEditor.cs
- SafeNativeMethodsOther.cs
- ApplicationFileParser.cs
- DeploymentSection.cs
- CollectionChange.cs
- MultiSelectRootGridEntry.cs
- HtmlInputControl.cs
- HostedHttpTransportManager.cs
- ContextMenuStripGroupCollection.cs
- ListSurrogate.cs
- ISAPIRuntime.cs
- BaseTemplateCodeDomTreeGenerator.cs
- ScrollItemProviderWrapper.cs
- WebControl.cs
- ManipulationDevice.cs
- FileIOPermission.cs
- TimeSpanValidatorAttribute.cs
- ToolStripSystemRenderer.cs
- CapabilitiesPattern.cs
- AppDomainProtocolHandler.cs
- ADRole.cs
- XmlTypeMapping.cs
- SqlDesignerDataSourceView.cs
- FontInfo.cs
- DesignerActionHeaderItem.cs
- ConfigUtil.cs
- WinInetCache.cs
- EntityDataSourceChangingEventArgs.cs
- CompositeControl.cs
- RemotingHelper.cs
- StylusPointPropertyId.cs
- StreamResourceInfo.cs
- Expressions.cs
- DiscoveryReference.cs
- CreatingCookieEventArgs.cs
- WebPartCatalogAddVerb.cs
- DesignerAutoFormatStyle.cs
- CreateRefExpr.cs
- Formatter.cs