Union Method

WebPermission.Union Method (IPermission)


Returns the logical union between two instances of the WebPermission class.

Namespace:   System.Net
Assembly:  System (in System.dll)

override Union : 
        target:IPermission -> IPermission


Type: System.Security.IPermission

The WebPermission to combine with the current WebPermission.

Return Value

Type: System.Security.IPermission

A WebPermission that represents the union of the current instance and the target parameter. If either WebPermission is Unrestricted, the method returns a WebPermission that is Unrestricted. If the target is null, the method returns a copy of the current WebPermission.

Exception Condition

target is not null or of type WebPermission.

Union returns a WebPermission that contains all the permissions in both target and the current instance.

Legacy Code Example

The following example takes the logical union of two WebPermission instances to create a third instance of WebPermission.

No code example is currently available or this language may not be supported.

.NET Framework
Available since 1.1
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