RegistryPermission.GetPathList(RegistryPermissionAccess) Metode

Definisi

Ruang nama:

System.Security.Permissions

Rakitan:

System.Security.Permissions.dll

Paket:

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

Sumber:

RegistryPermission.cs

Mendapatkan jalur untuk semua variabel registri dengan yang ditentukan RegistryPermissionAccess.

public:
 System::String ^ GetPathList(System::Security::Permissions::RegistryPermissionAccess access);

public string GetPathList (System.Security.Permissions.RegistryPermissionAccess access);

member this.GetPathList : System.Security.Permissions.RegistryPermissionAccess -> string

Public Function GetPathList (access As RegistryPermissionAccess) As String

Parameter

access

RegistryPermissionAccess

Salah RegistryPermissionAccess satu nilai yang mewakili satu jenis akses variabel registri.

Mengembalikan

String

Daftar variabel registri (dipisahkan titik koma) dengan yang ditentukan RegistryPermissionAccess.

Pengecualian

ArgumentException

access bukan nilai yang valid dari RegistryPermissionAccess.

-atau-

access adalah AllAccess, yang mewakili lebih dari satu jenis akses variabel registri, atau NoAccess, yang tidak mewakili jenis akses variabel registri apa pun.

Contoh

Contoh kode berikut menunjukkan penggunaan GetPathList metode .

// AddPathList adds access for the specified registry variables to the existing state of the permission.
// SetPathList sets new access for the specified registry variable names to the existing state of the permission.
// GetPathList gets paths for all registry variables with the specified RegistryPermissionAccess.
private static bool SetGetPathListDemo()
{
    try
    {
        Console.WriteLine("********************************************************\n");
        RegistryPermission readPerm1;
        Console.WriteLine("Creating RegistryPermission with AllAccess rights for 'HKEY_LOCAL_MACHINE\\HARDWARE\\DESCRIPTION\\System\\CentralProcessor\\0'");
        readPerm1 = new RegistryPermission(RegistryPermissionAccess.AllAccess, "HKEY_LOCAL_MACHINE\\HARDWARE\\DESCRIPTION\\System\\CentralProcessor\\0");
        Console.WriteLine("Adding 'HKEY_LOCAL_MACHINE\\HARDWARE\\DESCRIPTION' to the write access list, "
            + "and \n 'HKEY_LOCAL_MACHINE\\HARDWARE\\DESCRIPTION\\System\\FloatingPointProcessor\\0' "
            + "to the read access list.");
        readPerm1.AddPathList(RegistryPermissionAccess.Write, "HKEY_LOCAL_MACHINE\\HARDWARE\\DESCRIPTION");
        readPerm1.AddPathList(RegistryPermissionAccess.Read,
            "HKEY_LOCAL_MACHINE\\HARDWARE\\DESCRIPTION\\System\\FloatingPointProcessor\\0");
        Console.WriteLine("Read access list before SetPathList = " +
            readPerm1.GetPathList(RegistryPermissionAccess.Read));
        Console.WriteLine("Setting read access rights to \n'HKEY_LOCAL_MACHINE\\HARDWARE\\DESCRIPTION\\System\\CentralProcessor\\0'");
        readPerm1.SetPathList(RegistryPermissionAccess.Read,
            "HKEY_LOCAL_MACHINE\\HARDWARE\\DESCRIPTION\\System\\CentralProcessor\\0");
        Console.WriteLine("Read access list after SetPathList = \n" +
            readPerm1.GetPathList(RegistryPermissionAccess.Read));
        Console.WriteLine("Write access = \n" +
            readPerm1.GetPathList(RegistryPermissionAccess.Write));
        Console.WriteLine("Write access Registry variables = \n" +
            readPerm1.GetPathList(RegistryPermissionAccess.AllAccess));
    }
    catch (ArgumentException e)
    {
        // RegistryPermissionAccess.AllAccess can not be used as a parameter for GetPathList.
        Console.WriteLine("An ArgumentException occurred as a result of using AllAccess. "
            + "AllAccess cannot be used as a parameter in GetPathList because it represents more than one "
            + "type of registry variable access : \n" + e);
    }

    return true;
}

' AddPathList adds access for the specified registry variables to the existing state of the permission.
' SetPathList sets new access for the specified registry variable names to the existing state of the permission.
' GetPathList gets paths for all registry variables with the specified RegistryPermissionAccess.
Private Shared Function SetGetPathListDemo() As Boolean
    Try
        Console.WriteLine("********************************************************" + vbLf)
        Dim readPerm1 As RegistryPermission
        Console.WriteLine("Creating RegistryPermission with AllAccess rights for 'HKEY_LOCAL_MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0'")
        readPerm1 = New RegistryPermission(RegistryPermissionAccess.AllAccess, "HKEY_LOCAL_MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0")
        Console.WriteLine("Adding 'HKEY_LOCAL_MACHINE\HARDWARE\DESCRIPTION' to the write access list, " + "and " + vbLf + " 'HKEY_LOCAL_MACHINE\HARDWARE\DESCRIPTION\System\FloatingPointProcessor\0' " + "to the read access list.")
        readPerm1.AddPathList(RegistryPermissionAccess.Write, "HKEY_LOCAL_MACHINE\HARDWARE\DESCRIPTION")
        readPerm1.AddPathList(RegistryPermissionAccess.Read, "HKEY_LOCAL_MACHINE\HARDWARE\DESCRIPTION\System\FloatingPointProcessor\0")
        Console.WriteLine("Read access list before SetPathList = " + readPerm1.GetPathList(RegistryPermissionAccess.Read))
        Console.WriteLine("Setting read access rights to " + vbLf + "'HKEY_LOCAL_MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0'")
        readPerm1.SetPathList(RegistryPermissionAccess.Read, "HKEY_LOCAL_MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0")
        Console.WriteLine("Read access list after SetPathList = " + vbLf + readPerm1.GetPathList(RegistryPermissionAccess.Read))
        Console.WriteLine("Write access = " + vbLf + readPerm1.GetPathList(RegistryPermissionAccess.Write))
        Console.WriteLine("Write access Registry variables = " + vbLf + readPerm1.GetPathList(RegistryPermissionAccess.AllAccess))
    Catch e As ArgumentException
        ' RegistryPermissionAccess.AllAccess can not be used as a parameter for GetPathList.
        Console.WriteLine("An ArgumentException occurred as a result of using AllAccess. " + _
        "AllAccess cannot be used as a parameter in GetPathList because it represents more than one " + _
        "type of registry variable access : " + vbLf + e.Message)
    End Try

    Return True

End Function 'SetGetPathListDemo

Keterangan

Gunakan metode ini untuk mendapatkan status izin saat ini. Anda harus memanggil metode ini secara terpisah untuk setiap jenis akses.

Catatan

Parameter access terbatas pada nilai RegistryPermissionAccess, yang mewakili jenis tunggal akses variabel registri. Nilai-nilai tersebut adalah Read, Write, dan Create. Nilai yang dapat diterima untuk access tidak menyertakan NoAccess dan AllAccess, yang tidak mewakili satu jenis akses variabel registri.