Assembly: System (in system.dll)
A permission object to combine with the current permission object. It must be of the same type as the current permission object.
Return ValueA new permission object that represents the union of the current permission object and the specified permission object.
The target permission object is not of the same type as the current permission object.
Windows 98, Windows 2000 SP4, Windows Millennium Edition, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition
The .NET Framework does not support all versions of every platform. For a list of the supported versions, see System Requirements.