WebPermission.FromXml(SecurityElement) Yöntem

Tanım

Ad Alanı:

System.Net

Bütünleştirilmiş Kod:

System.Security.Permissions.dll

Paket:

System.Security.Permissions v9.0.0-preview.4.24266.19

Kaynak:

WebPermission.cs

Bir XML kodlamasından bir WebPermission yeniden oluşturur.

public:
 override void FromXml(System::Security::SecurityElement ^ securityElement);

public override void FromXml (System.Security.SecurityElement securityElement);

override this.FromXml : System.Security.SecurityElement -> unit

Public Overrides Sub FromXml (securityElement As SecurityElement)

Parametreler

securityElement

SecurityElement

öğesinin yeniden yapılandırıldığı XML kodlaması WebPermission.

Özel durumlar

ArgumentNullException

securityElement parametresidirnull.

ArgumentException

securityElement bu tür için bir izin öğesi değildir.

Örnekler

Aşağıdaki örnek bir System.Security.SecurityElementoluşturur, özniteliklerini doldurur ve bu bilgileri bir örneğine WebPermissionaktarmak için kullanırFromXml.

// Create  a WebPermission without permission on the protected resource
WebPermission^ myWebPermission1 = gcnew WebPermission( PermissionState::None );

// Create a SecurityElement by calling the ToXml method on the WebPermission
// instance and display its attributes (which hold the XML encoding of
// the WebPermission).
Console::WriteLine( "Attributes and Values of the WebPermission are:" );
myWebPermission1->ToXml();

// Create another WebPermission with no permission on the protected resource
WebPermission^ myWebPermission2 = gcnew WebPermission( PermissionState::None );

//Converts the new WebPermission from XML using myWebPermission1.
myWebPermission2->FromXml( myWebPermission1->ToXml() );

// Create  a WebPermission without permission on the protected resource.
WebPermission myWebPermission1 = new WebPermission(PermissionState.None);

// Create a SecurityElement by calling the ToXml method on the WebPermission 
// instance and display its attributes (which hold the XML encoding of 
// the WebPermission).
Console.WriteLine("Attributes and Values of the WebPermission are :");
myWebPermission1.ToXml().ToString();

// Create another WebPermission with no permission on the protected resource.
WebPermission myWebPermission2 = new WebPermission(PermissionState.None);

//Converts the new WebPermission from XML using myWebPermission1.
myWebPermission2.FromXml(myWebPermission1.ToXml());

' Create  a WebPermission without permission on the protected resource.
Dim myWebPermission1 As New WebPermission(PermissionState.None)

' Create a SecurityElement by calling the ToXml method on the WebPermission 
' instance and display its attributes (which hold the XML encoding of 
' the WebPermission).
Console.WriteLine("Attributes and Values of the WebPermission are :")
myWebPermission1.ToXml().ToString()

' Create another WebPermission with no permission on the protected resource.
Dim myWebPermission2 As New WebPermission(PermissionState.None)

'Converts the new WebPermission from XML using myWebPermission1.
myWebPermission2.FromXml(myWebPermission1.ToXml())

Açıklamalar

yöntemi, FromXml sınıfı tarafından tanımlanan xml kodlamasından bir WebPermission yeniden SecurityElement oluşturur.

ToXml durum bilgileri de dahil olmak üzere xml kodlamak WebPermissioniçin yöntemini kullanın.

Ayrıca bkz.

• ToXml()