PnrpPermission.Union(IPermission) Method
Definition
Important
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Creates a permission that is the union of the current PnrpPermission and the specified permission.
public:
override System::Security::IPermission ^ Union(System::Security::IPermission ^ target);
public override System.Security.IPermission Union (System.Security.IPermission target);
override this.Union : System.Security.IPermission -> System.Security.IPermission
Public Overrides Function Union (target As IPermission) As IPermission
Parameters
- target
- IPermission
A permission to combine with the current permission. It must be of the same type as the current permission.
Returns
A new permission that represents the Union(IPermission) of the current PnrpPermission and the specified permission.
Exceptions
target
parameter is invalid.
Remarks
The result of a call to Union is a permission that represents all the operations represented by both the current PnrpPermission and the specified permission. Any demand that passes either permission passes their union.
The following statements are required to be true
for all implementations of the Union method. X and Y represent IPermission objects that are not a null
reference (Nothing
in Visual Basic).
X.Union(X) returns an object that has the same value as X.
X.Union(Y) returns an object that has the same value as the object returned by Y.Union(X).
X.Union(a
null
reference (Nothing
in Visual Basic)) returns an object that has the same value as X.
Applies to
See also
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