This documentation is archived and is not being maintained.

SmtpPermission::Union Method

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

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

public:
virtual IPermission^ Union(
	IPermission^ target
) override

Parameters

target
Type: System.Security::IPermission
An IPermission to combine with the current permission.

Return Value

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

Implements

IPermission::Union(IPermission)

ExceptionCondition
ArgumentException

target is not an SmtpPermission.

The Union method returns a permission that represents all the states represented by both the current permission and the specified permission. Any demand that passes either permission passes their union.

The following example creates a permission object that is the union of two permission objects.


static SmtpPermission^ UnionWithFull(
    SmtpPermission^ permission)
{
    SmtpPermission^ allAccess = 
        gcnew SmtpPermission(PermissionState::Unrestricted);
    return (SmtpPermission^) permission->Union(allAccess);
}


.NET Framework

Supported in: 4, 3.5, 3.0, 2.0

.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.
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