NetworkInformationPermission::Union Method (IPermission^)
.NET Framework (current version)
Creates a permission that is the union of this permission and the specified permission.
Assembly: System (in System.dll)
Parameters
- target
-
Type:
System.Security::IPermission^
A NetworkInformationPermission permission to combine with the current permission.
Return Value
Type: System.Security::IPermission^A new permission that represents the union of the current permission and the specified permission.
Implements
IPermission::Union(IPermission^)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 existing permission objects.
System::Net::NetworkInformation::NetworkInformationPermission^ unrestricted = gcnew System::Net::NetworkInformation::NetworkInformationPermission( System::Security::Permissions::PermissionState::Unrestricted ); Console::WriteLine( L"Is unrestricted? {0}", unrestricted->IsUnrestricted() ); System::Net::NetworkInformation::NetworkInformationPermission^ read = gcnew System::Net::NetworkInformation::NetworkInformationPermission( System::Net::NetworkInformation::NetworkInformationAccess::Read ); System::Net::NetworkInformation::NetworkInformationPermission^ copyPermission = dynamic_cast<System::Net::NetworkInformation::NetworkInformationPermission^>(read->Copy()); System::Net::NetworkInformation::NetworkInformationPermission^ unionPermission = dynamic_cast<System::Net::NetworkInformation::NetworkInformationPermission^>(read->Union( unrestricted )); Console::WriteLine( L"Is subset?{0}", read->IsSubsetOf( unionPermission ) );
.NET Framework
Available since 2.0
Available since 2.0
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