RegistryValueOptions Enumeração
Definição
Especifica o comportamento opcional ao recuperar pares nome/valor de uma chave do Registro.Specifies optional behavior when retrieving name/value pairs from a registry key.
Esta enumeração tem um atributo FlagsAttribute que permite uma combinação bit a bit dos valores membros dela.
public enum class RegistryValueOptions
[System.Flags]
public enum RegistryValueOptions
[<System.Flags>]
type RegistryValueOptions =
Public Enum RegistryValueOptions
- Herança
- Atributos
Campos
| DoNotExpandEnvironmentNames | 1 | Um valor do tipo ExpandString é recuperado sem expandir suas variáveis de ambiente inseridas.A value of type ExpandString is retrieved without expanding its embedded environment variables. |
| None | 0 | Nenhum comportamento opcional foi especificado.No optional behavior is specified. |
Exemplos
O exemplo de código a seguir cria uma chave de teste, adiciona um valor com uma variável de ambiente inserida e recupera o valor em formulários expandidos e não expandidos.The following code sample creates a test key, adds a value with an embedded environment variable, and retrieves the value in both expanded and unexpanded forms.
#using <Microsoft.VisualBasic.dll>
using namespace System;
using namespace Microsoft::Win32;
using namespace Microsoft::VisualBasic;
int main()
{
// Delete and recreate the test key.
Registry::CurrentUser->DeleteSubKey( L"RegistryValueOptionsExample", false );
RegistryKey ^ rk =
Registry::CurrentUser->CreateSubKey( L"RegistryValueOptionsExample" );
// Add a value that contains an environment variable.
rk->SetValue( L"ExpandValue", L"The path is %PATH%",
RegistryValueKind::ExpandString );
// Retrieve the value, first without expanding the environment
// variable and then expanding it.
Console::WriteLine( L"Unexpanded: \"{0}\"",
rk->GetValue( L"ExpandValue",
L"No Value",
RegistryValueOptions::DoNotExpandEnvironmentNames ) );
Console::WriteLine( L"Expanded: \"{0}\"", rk->GetValue( L"ExpandValue" ) );
return 0;
} //Main
using System;
using Microsoft.Win32;
using Microsoft.VisualBasic;
public class Example
{
public static void Main()
{
// Delete and recreate the test key.
Registry.CurrentUser.DeleteSubKey("RegistryValueOptionsExample", false);
RegistryKey rk =
Registry.CurrentUser.CreateSubKey("RegistryValueOptionsExample");
// Add a value that contains an environment variable.
rk.SetValue("ExpandValue", "The path is %PATH%", RegistryValueKind.ExpandString);
// Retrieve the value, first without expanding the environment
// variable and then expanding it.
Console.WriteLine("Unexpanded: \"{0}\"",
rk.GetValue("ExpandValue", "No Value",
RegistryValueOptions.DoNotExpandEnvironmentNames));
Console.WriteLine("Expanded: \"{0}\"", rk.GetValue("ExpandValue"));
} //Main
} //Example
Imports Microsoft.Win32
Public Class Example
Public Shared Sub Main()
' Delete and recreate the test key.
Registry.CurrentUser.DeleteSubKey("RegistryValueOptionsExample", False)
Dim rk As RegistryKey = _
Registry.CurrentUser.CreateSubKey("RegistryValueOptionsExample")
' Add a value that contains an environment variable.
rk.SetValue("ExpandValue", "The path is %PATH%", _
RegistryValueKind.ExpandString)
' Retrieve the value, first without expanding the environment
' variable and then expanding it.
Console.WriteLine("Unexpanded: ""{0}""", _
rk.GetValue("ExpandValue", "No Value", _
RegistryValueOptions.DoNotExpandEnvironmentNames))
Console.WriteLine("Expanded: ""{0}""", rk.GetValue("ExpandValue"))
End Sub
End Class
Comentários
Use o sinalizador DoNotExpandEnvironmentNames com a RegistryKey.GetValue(String, Object, RegistryValueOptions) sobrecarga do método.Use the DoNotExpandEnvironmentNames flag with the RegistryKey.GetValue(String, Object, RegistryValueOptions) method overload.