SiteIdentityPermission.IsSubsetOf(IPermission) Method

Definition

Namespace:

System.Security.Permissions

Assembly:

System.Security.Permissions.dll

Source:

SiteIdentityPermission.cs

Determines whether the current permission is a subset of the specified permission.

public:
 override bool IsSubsetOf(System::Security::IPermission ^ target);

public override bool IsSubsetOf (System.Security.IPermission target);

override this.IsSubsetOf : System.Security.IPermission -> bool

Public Overrides Function IsSubsetOf (target As IPermission) As Boolean

Parameters

target

IPermission

A permission that is to be tested for the subset relationship. This permission must be of the same type as the current permission.

Returns

Boolean

true if the current permission is a subset of the specified permission; otherwise, false.

Exceptions

ArgumentException

The target parameter is not null and is not of the same type as the current permission.

Remarks

The current permission is a subset of the specified permission if the current permission specifies a site that is wholly contained by the specified permission.

The following table shows the value of IsSubsetOf for a range of values of the current permission and the specified permission.

Current Permission	Specified Permission	IsSubsetOf
www.fourthcoffee.com	www.fourthcoffee.com	true
www.fourthcoffee.com	www.tailspintoys.com	false
www.fourthcoffee.com	*.fourthcoffee.com	true
www.fourthcoffee.com	*.com	true
*.fourthcoffee.com	www.fourthcoffee.com	false
*.fourthcoffee.com	*.fourthcoffee.com	true
*.fourthcoffee.com	*.com	true
Anything except None	*	true
None	Anything	true