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IsolatedStorage Class

Represents the abstract base class from which all isolated storage implementations must derive.

Namespace:  System.IO.IsolatedStorage
Assembly:  mscorlib (in mscorlib.dll)
[ComVisibleAttribute(true)]
public abstract class IsolatedStorage : MarshalByRefObject

The IsolatedStorage type exposes the following members.

  NameDescription
Protected methodIsolatedStorageInitializes a new instance of the IsolatedStorage class.
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  NameDescription
Public propertyApplicationIdentityGets an application identity that scopes isolated storage.
Public propertyAssemblyIdentityGets an assembly identity used to scope isolated storage.
Public propertyAvailableFreeSpaceWhen overridden in a derived class, gets the available free space for isolated storage, in bytes.
Public propertyCurrentSize Obsolete. Gets a value representing the current size of isolated storage.
Public propertyDomainIdentityGets a domain identity that scopes isolated storage.
Public propertyMaximumSize Obsolete. Gets a value representing the maximum amount of space available for isolated storage. When overridden in a derived class, this value can take different units of measure.
Public propertyQuotaWhen overridden in a derived class, gets a value that represents the maximum amount of space available for isolated storage.
Public propertyScopeGets an IsolatedStorageScope enumeration value specifying the scope used to isolate the store.
Protected propertySeparatorExternalGets a backslash character that can be used in a directory string. When overridden in a derived class, another character might be returned.
Protected propertySeparatorInternalGets a period character that can be used in a directory string. When overridden in a derived class, another character might be returned.
Public propertyUsedSizeWhen overridden in a derived class, gets a value that represents the amount of the space used for isolated storage.
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  NameDescription
Public methodCreateObjRefCreates an object that contains all the relevant information required to generate a proxy used to communicate with a remote object. (Inherited from MarshalByRefObject.)
Public methodEquals(Object)Determines whether the specified object is equal to the current object. (Inherited from Object.)
Protected methodFinalizeAllows an object to try to free resources and perform other cleanup operations before it is reclaimed by garbage collection. (Inherited from Object.)
Public methodGetHashCodeServes as the default hash function. (Inherited from Object.)
Public methodGetLifetimeServiceRetrieves the current lifetime service object that controls the lifetime policy for this instance. (Inherited from MarshalByRefObject.)
Protected methodGetPermissionWhen implemented by a derived class, returns a permission that represents access to isolated storage from within a permission set.
Public methodGetTypeGets the Type of the current instance. (Inherited from Object.)
Public methodIncreaseQuotaToWhen overridden in a derived class, prompts a user to approve a larger quota size, in bytes, for isolated storage.
Public methodInitializeLifetimeServiceObtains a lifetime service object to control the lifetime policy for this instance. (Inherited from MarshalByRefObject.)
Protected methodInitStore(IsolatedStorageScope, Type)Initializes a new IsolatedStorage object.
Protected methodInitStore(IsolatedStorageScope, Type, Type)Initializes a new IsolatedStorage object.
Protected methodMemberwiseClone()Creates a shallow copy of the current Object. (Inherited from Object.)
Protected methodMemberwiseClone(Boolean)Creates a shallow copy of the current MarshalByRefObject object. (Inherited from MarshalByRefObject.)
Public methodRemoveWhen overridden in a derived class, removes the individual isolated store and all contained data.
Public methodToStringReturns a string that represents the current object. (Inherited from Object.)
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For information about file-based isolated storage, see the IsolatedStorageFile class.

Important noteImportant

Isolated storage is not available for Windows Store apps. Instead, use the application data classes in the Windows.Storage namespaces included in the Windows Runtime API to store local data and files. For more information, see Application data in the Windows Dev Center.

.NET Framework

Supported in: 4.5.1, 4.5, 4, 3.5, 3.0, 2.0, 1.1, 1.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows Phone 8.1, Windows Phone 8, Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.
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