WebPermission.Union(IPermission) Metode

Definisi

Ruang nama:

System.Net

Rakitan:

System.Security.Permissions.dll

Paket:

System.Security.Permissions v9.0.0-rc.2.24473.5

Sumber:

WebPermission.cs

Mengembalikan union logis antara dua instans WebPermission kelas.

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

Parameter

target

IPermission

WebPermission untuk digabungkan dengan saat ini WebPermission.

Mengembalikan

IPermission

WebPermission yang mewakili persatuan instans saat ini dan target parameter . Jika salah satunya WebPermission adalah Unrestricted, metode mengembalikan yang WebPermission adalah Unrestricted. Jika targetnya adalah null, metode mengembalikan salinan dari saat ini WebPermission.

Pengecualian

ArgumentException

target bukan null atau berjenis WebPermission.

Contoh

Contoh berikut mengambil persatuan logis dari dua WebPermission instans untuk membuat instans ketiga .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

Keterangan

Union mengembalikan yang WebPermission berisi semua izin dalam instans dan target saat ini.

Lihat juga

• PermissionState