WebPermission.Union(IPermission) Método

Definição

Retorna a união lógica entre duas instâncias da classe WebPermission.Returns the logical union between two instances of the WebPermission class.

public:
 override System::Security::IPermission ^ Union(System::Security::IPermission ^ target);
public override System.Security.IPermission Union (System.Security.IPermission target);
override this.Union : System.Security.IPermission -> System.Security.IPermission
Public Overrides Function Union (target As IPermission) As IPermission

Parâmetros

target
IPermission

O WebPermission a ser combinado com o WebPermission atual.The WebPermission to combine with the current WebPermission.

Retornos

Um WebPermission que representa a união da instância atual com o parâmetro target.A WebPermission that represents the union of the current instance and the target parameter. Se qualquer WebPermission for Unrestricted, o método retornará um WebPermission que será Unrestricted.If either WebPermission is Unrestricted, the method returns a WebPermission that is Unrestricted. Se o destino for null, o método retornará uma cópia do WebPermission atual.If the target is null, the method returns a copy of the current WebPermission.

Exceções

o destino não é null ou do tipo WebPermission.target is not null or of type WebPermission.

Exemplos

O exemplo a seguir usa a União lógica de duas instâncias de WebPermission para criar uma terceira instância de WebPermission.The following example takes the logical union of two WebPermission instances to create a third instance of WebPermission.

// Create another WebPermission that is the Union of previous two WebPermission
// instances.
WebPermission^ myWebPermission3 = (WebPermission^)(myWebPermission1->Union( myWebPermission2 ));
Console::WriteLine( "\nAttributes and values of the WebPermission after the Union are : " );
// Display the attributes, values and children.
Console::WriteLine( myWebPermission3->ToXml() );

// Create another WebPermission that is the Union of previous two WebPermission 
// instances.
WebPermission myWebPermission3 =(WebPermission) myWebPermission1.Union(myWebPermission2);
Console.WriteLine("\nAttributes and values of the WebPermission after the Union are : ");
// Display the attributes,values and children.
Console.WriteLine(myWebPermission3.ToXml().ToString());

   ' Create another WebPermission that is the Union of previous two WebPermission 
   ' instances.
   Dim myWebPermission3 As WebPermission = CType(myWebPermission1.Union(myWebPermission2), WebPermission)
   Console.WriteLine(ControlChars.Cr + "Attributes and values of the WebPermission after the Union are : ")
   ' Display the attributes,values and children.
   Console.WriteLine(myWebPermission3.ToXml().ToString())
End Sub
 

Comentários

Union retorna um WebPermission que contém todas as permissões em target e na instância atual.Union returns a WebPermission that contains all the permissions in both target and the current instance.

Aplica-se a

Veja também