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PermissionSet.Union Method

Creates a PermissionSet that is the union of the current PermissionSet and the specified PermissionSet.

Namespace:  System.Security
Assembly:  mscorlib (in mscorlib.dll)
public PermissionSet Union(
	PermissionSet other


Type: System.Security.PermissionSet

The permission set to form the union with the current PermissionSet.

Return Value

Type: System.Security.PermissionSet
A new permission set that represents the union of the current PermissionSet and the specified PermissionSet.

The result of a call to Union is a PermissionSet that represents all the operations represented by the current PermissionSet as well as all the operations represented by the specified PermissionSet. If either set is Unrestricted, the union is Unrestricted as well.

The following code example shows the use of the Union method. This code example is part of a larger example provided for the PermissionSet class.

// Display the union of two permission sets.
PermissionSet ps5 = ps3.Union(ps4);
Console.WriteLine("The union of permission set 3 and permission set 4 = "
    + ps5.ToString());

.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.

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