SharedProperty Classe
Definição
Acessa uma propriedade compartilhada.Accesses a shared property. Essa classe não pode ser herdada.This class cannot be inherited.
public ref class SharedProperty sealed
[System.Runtime.InteropServices.ComVisible(false)]
public sealed class SharedProperty
[<System.Runtime.InteropServices.ComVisible(false)>]
type SharedProperty = class
Public NotInheritable Class SharedProperty
- Herança
-
SharedProperty
- Atributos
Exemplos
O exemplo de código a seguir mostra como criar uma propriedade compartilhada e como definir e recuperar o valor armazenado na propriedade compartilhada.The following code example shows how to create a shared property and set and retrieve the value stored in the shared property.
#using <System.EnterpriseServices.dll>
using namespace System;
using namespace System::EnterpriseServices;
using namespace System::Reflection;
[assembly:AssemblyKeyFile("..\\common\\key.snk")];
[assembly:ApplicationName("ReceiptNumberGenerator")];
[assembly:ApplicationActivation(ActivationOption::Library)];
public ref class ReceiptNumberGeneratorClass
{
public:
// Generates a new receipt number based on the receipt number
// stored by the Shared Property Manager (SPM)
int GetNextReceiptNumber()
{
bool groupExists;
bool propertyExists;
int nextReceiptNumber = 0;
PropertyLockMode lockMode = PropertyLockMode::SetGet;
PropertyReleaseMode releaseMode = PropertyReleaseMode::Standard;
// Create a shared property group manager.
SharedPropertyGroupManager^ groupManager = gcnew SharedPropertyGroupManager;
// Create a shared property group.
SharedPropertyGroup^ group =
groupManager->CreatePropertyGroup( "Receipts", lockMode, releaseMode, groupExists );
// Create a shared property.
SharedProperty^ ReceiptNumber;
ReceiptNumber = group->CreateProperty( "ReceiptNumber", propertyExists );
// Retrieve the value from shared property, and increment the shared
// property value.
nextReceiptNumber = safe_cast<int>(ReceiptNumber->Value);
ReceiptNumber->Value = nextReceiptNumber + 1;
// Return nextReceiptNumber
return nextReceiptNumber;
}
};
using System;
using System.EnterpriseServices;
using System.Reflection;
[assembly: ApplicationName("ReceiptNumberGenerator")]
[assembly: ApplicationActivation(ActivationOption.Library)]
public class ReceiptNumberGeneratorClass
{
// Generates a new receipt number based on the receipt number
// stored by the Shared Property Manager (SPM)
public int GetNextReceiptNumber()
{
bool groupExists,propertyExists;
int nextReceiptNumber = 0;
PropertyLockMode lockMode = PropertyLockMode.SetGet;
PropertyReleaseMode releaseMode = PropertyReleaseMode.Standard;
// Create a shared property group manager.
SharedPropertyGroupManager groupManager = new SharedPropertyGroupManager();
// Create a shared property group.
SharedPropertyGroup group = groupManager.CreatePropertyGroup("Receipts",
ref lockMode, ref releaseMode, out groupExists);
// Create a shared property.
SharedProperty ReceiptNumber;
ReceiptNumber = group.CreateProperty("ReceiptNumber",out propertyExists);
// Retrieve the value from shared property, and increment the shared
// property value.
nextReceiptNumber = (int) ReceiptNumber.Value;
ReceiptNumber.Value = nextReceiptNumber + 1;
// Return nextReceiptNumber
return nextReceiptNumber;
}
}
Imports System.EnterpriseServices
Imports System.Reflection
<Assembly: ApplicationName("ReceiptNumberGenerator")>
<Assembly: ApplicationActivation(ActivationOption.Library)>
Public Class ReceiptNumberGeneratorClass
' Generates a new receipt number based on the receipt number
' stored by the Shared Property Manager (SPM)
Public Function GetNextReceiptNumber() As Integer
Dim groupExists, propertyExists As Boolean
Dim nextReceiptNumber As Integer = 0
Dim lockMode As PropertyLockMode = PropertyLockMode.SetGet
Dim releaseMode As PropertyReleaseMode = PropertyReleaseMode.Standard
' Create a shared property group manager.
Dim groupManager As New SharedPropertyGroupManager()
' Create a shared property group.
Dim group As SharedPropertyGroup = groupManager.CreatePropertyGroup("Receipts", lockMode, releaseMode, groupExists)
' Create a shared property.
Dim ReceiptNumber As SharedProperty
ReceiptNumber = group.CreateProperty("ReceiptNumber", propertyExists)
' Retrieve the value from shared property, and increment the shared
' property value.
nextReceiptNumber = Fix(ReceiptNumber.Value)
ReceiptNumber.Value = nextReceiptNumber + 1
' Return nextReceiptNumber
Return nextReceiptNumber
End Function 'GetNextReceiptNumber
End Class
Propriedades
| Value |
Obtém ou define o valor da propriedade compartilhada.Gets or sets the value of the shared property. |
Métodos
| Equals(Object) |
Determina se o objeto especificado é igual ao objeto atual.Determines whether the specified object is equal to the current object. (Herdado de Object) |
| GetHashCode() |
Serve como a função de hash padrão.Serves as the default hash function. (Herdado de Object) |
| GetType() |
Obtém o Type da instância atual.Gets the Type of the current instance. (Herdado de Object) |
| MemberwiseClone() |
Cria uma cópia superficial do Object atual.Creates a shallow copy of the current Object. (Herdado de Object) |
| ToString() |
Retorna uma cadeia de caracteres que representa o objeto atual.Returns a string that represents the current object. (Herdado de Object) |