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PrintingPermission.Union Method

Creates a permission that combines the permission object and the target permission object.

Namespace:  System.Drawing.Printing
Assembly:  System.Drawing (in System.Drawing.dll)

public override IPermission Union(
	IPermission target


Type: System.Security.IPermission
A permission object of the same type as the current permission object.

Return Value

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




target is an object that is not of the same type as the current permission object.

The result of a call to Union is a permission that represents all the operations represented by the current permission object, and all the operations represented by the specified permission object.

.NET Framework

Supported in: 4, 3.5, 3.0, 2.0, 1.1, 1.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.