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System.Security.Permissions Namespace

The System.Security.Permissions namespace defines classes that control access to operations and resources based on policy.

Namespace hierarchy

Classes

Class Description
CodeAccessSecurityAttribute Specifies the base attribute class for code access security.
EnvironmentPermission Controls access to system and user environment variables. This class cannot be inherited.
EnvironmentPermissionAttribute Allows security actions for EnvironmentPermission to be applied to code using declarative security. This class cannot be inherited.
FileDialogPermission Controls the ability to access files or folders through a file dialog. This class cannot be inherited.
FileDialogPermissionAttribute Allows security actions for FileDialogPermission to be applied to code using declarative security. This class cannot be inherited.
FileIOPermission Controls the ability to access files and folders. This class cannot be inherited.
FileIOPermissionAttribute Allows security actions for FileIOPermission to be applied to code using declarative security. This class cannot be inherited.
IsolatedStorageFilePermission Specifies the allowed usage of a private virtual file system. This class cannot be inherited.
IsolatedStorageFilePermissionAttribute Allows security actions for IsolatedStorageFilePermission to be applied to code using declarative security. This class cannot be inherited.
IsolatedStoragePermission Represents access to generic isolated storage capabilities.
IsolatedStoragePermissionAttribute Allows security actions for IsolatedStoragePermission to be applied to code using declarative security.
PermissionSetAttribute Allows security actions for a PermissionSet to be applied to code using declarative security. This class cannot be inherited.
PrincipalPermission Allows checks against the active principal (see IPrincipal) using the language constructs defined for both declarative and imperative security actions. This class cannot be inherited.
PrincipalPermissionAttribute Allows security actions for PrincipalPermission to be applied to code using declarative security. This class cannot be inherited.
PublisherIdentityPermission Represents the identity of a software publisher. This class cannot be inherited.
PublisherIdentityPermissionAttribute Allows security actions for PublisherIdentityPermission to be applied to code using declarative security. This class cannot be inherited.
ReflectionPermission Controls access to metadata through the System.Reflection APIs. This class cannot be inherited.
ReflectionPermissionAttribute Allows security actions for ReflectionPermission to be applied to code using declarative security. This class cannot be inherited.
RegistryPermission Controls the ability to access registry variables. This class cannot be inherited.
RegistryPermissionAttribute Allows security actions for RegistryPermission to be applied to code using declarative security. This class cannot be inherited.
ResourcePermissionBase Allows control of code access security permissions.
ResourcePermissionBaseEntry Defines the smallest unit of a code access security permission set.
SecurityAttribute Specifies the base attribute class for declarative security from which CodeAccessSecurityAttribute is derived.
SecurityPermission Describes a set of security permissions applied to code. This class cannot be inherited.
SecurityPermissionAttribute Allows security actions for SecurityPermission to be applied to code using declarative security. This class cannot be inherited.
SiteIdentityPermission Defines the identity permission for the Web site from which the code originates. This class cannot be inherited.
SiteIdentityPermissionAttribute Allows security actions for SiteIdentityPermission to be applied to code using declarative security. This class cannot be inherited.
StrongNameIdentityPermission Defines the identity permission for strong names. This class cannot be inherited.
StrongNameIdentityPermissionAttribute Allows security actions for StrongNameIdentityPermission to be applied to code using declarative security. This class cannot be inherited.
StrongNamePublicKeyBlob Represents the public key information (called a blob) for a strong name. This class cannot be inherited.
UIPermission Controls the permissions related to user interfaces and the clipboard. This class cannot be inherited.
UIPermissionAttribute Allows security actions for UIPermission to be applied to code using declarative security. This class cannot be inherited.
UrlIdentityPermission Defines the identity permission for the URL from which the code originates. This class cannot be inherited.
UrlIdentityPermissionAttribute Allows security actions for UrlIdentityPermission to be applied to code using declarative security. This class cannot be inherited.
ZoneIdentityPermission Defines the identity permission for the zone from which the code originates. This class cannot be inherited.
ZoneIdentityPermissionAttribute Allows security actions for ZoneIdentityPermission to be applied to code using declarative security. This class cannot be inherited.

Interfaces

Interface Description
IUnrestrictedPermission Allows a permission to expose an unrestricted state.

Enumerations

Enumeration Description
EnvironmentPermissionAccess Specifies access to environment variables.
FileDialogPermissionAccess Specifies the type of access to files allowed through the file dialog.
FileIOPermissionAccess Specifies the type of file access requested.
IsolatedStorageContainment Specifies the permitted use of isolated storage.
PermissionState Specifies whether a permission should have all or no access to resources at creation.
ReflectionPermissionFlag Specifies the permitted use of System.Reflection on members that are not visible.
RegistryPermissionAccess Specifies the permitted access to registry keys and values.
SecurityAction Specifies the security actions that can be performed using declarative security.
SecurityPermissionFlag Specifies access flags for the security permission object.
UIPermissionClipboard Specifies the type of clipboard access that is allowed to the calling code.
UIPermissionWindow Specifies the type of windows that code is allowed to use.

See Also

.NET Framework Class Library

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