FirstMatchCodeGroup(IMembershipCondition, PolicyStatement) Oluşturucu

Tanım

Ad Alanı:

System.Security.Policy

Bütünleştirilmiş Kod:

System.Security.Permissions.dll

Paket:

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

Kaynak:

FirstMatchCodeGroup.cs

FirstMatchCodeGroup sınıfının yeni bir örneğini başlatır.

public:
 FirstMatchCodeGroup(System::Security::Policy::IMembershipCondition ^ membershipCondition, System::Security::Policy::PolicyStatement ^ policy);

public FirstMatchCodeGroup (System.Security.Policy.IMembershipCondition membershipCondition, System.Security.Policy.PolicyStatement policy);

new System.Security.Policy.FirstMatchCodeGroup : System.Security.Policy.IMembershipCondition * System.Security.Policy.PolicyStatement -> System.Security.Policy.FirstMatchCodeGroup

Public Sub New (membershipCondition As IMembershipCondition, policy As PolicyStatement)

Parametreler

membershipCondition

IMembershipCondition

Bu kod grubunun ilke uygulayıp uygulamadığını saptamak için kanıtı test eden bir üyelik koşulu.

policy

PolicyStatement

Bir izin kümesi biçiminde kod grubu için ilke deyimi ve üyelik koşuluyla eşleşen kodu vermek için öznitelikler.

Özel durumlar

ArgumentException

Parametrenin membershipCondition türü geçerli değil.

-veya-

Parametrenin policy türü geçerli değil.

Örnekler

Aşağıdaki kod oluşturucunun FirstMatchCodeGroup kullanımını gösterir. Bu kod örneği, sınıfı için FirstMatchCodeGroup sağlanan daha büyük bir örneğin parçasıdır.

FileIOPermission^ rootFilePermissions =
   gcnew FileIOPermission( PermissionState::None );
rootFilePermissions->AllLocalFiles = FileIOPermissionAccess::Read;
rootFilePermissions->SetPathList( FileIOPermissionAccess::Read, L"C:\\" );

// Add a permission to a named permission set.
NamedPermissionSet^ namedPermissions =
   gcnew NamedPermissionSet( L"RootPermissions" );
namedPermissions->AddPermission( rootFilePermissions );

// Create a PolicyStatement with exclusive rights to the policy.
PolicyStatement^ policy = gcnew PolicyStatement(
   namedPermissions,PolicyStatementAttribute::Exclusive );

// Create a FirstMatchCodeGroup with a membership condition that
// matches all code, and an exclusive policy.
FirstMatchCodeGroup^ codeGroup = gcnew FirstMatchCodeGroup(
   gcnew AllMembershipCondition,policy );

FileIOPermission rootFilePermissions =
    new FileIOPermission(PermissionState.None);
rootFilePermissions.AllLocalFiles = FileIOPermissionAccess.Read;
rootFilePermissions.SetPathList(FileIOPermissionAccess.Read,"C:\\");

// Add a permission to a named permission set.
NamedPermissionSet namedPermissions =
    new NamedPermissionSet("RootPermissions");
namedPermissions.AddPermission(rootFilePermissions);

// Create a PolicyStatement with exclusive rights to the policy.
PolicyStatement policy = new PolicyStatement(
    namedPermissions,PolicyStatementAttribute.Exclusive);

// Create a FirstMatchCodeGroup with a membership condition that
// matches all code, and an exclusive policy.
FirstMatchCodeGroup codeGroup =
    new FirstMatchCodeGroup(
    new AllMembershipCondition(),
    policy);

Dim rootFilePermissions As New FileIOPermission(PermissionState.None)
rootFilePermissions.AllLocalFiles = FileIOPermissionAccess.Read
rootFilePermissions.SetPathList(FileIOPermissionAccess.Read, "C:\\")

' Add a permission to a named permission set.
Dim namedPermissions As New NamedPermissionSet("RootPermissions")
namedPermissions.AddPermission(rootFilePermissions)

' Create a PolicyStatement with exclusive rights to the policy.
Dim policy As New PolicyStatement( _
    namedPermissions, _
    PolicyStatementAttribute.Exclusive)

' Create a FirstMatchCodeGroup with a membership condition that 
' matches all code, and an exclusive policy.
Dim codeGroup As New FirstMatchCodeGroup( _
    New AllMembershipCondition, _
    policy)

Açıklamalar

Bu oluşturucu temel bir kod grubu oluşturur ve özel kod gruplarının oluşturucularından çağrılmalıdır. Alt kod grupları yöntemi kullanılarak AddChild eklenebilir.