MissingMemberException.Message Propriedade

Definição

Obtém a cadeia de caracteres de texto que mostra o nome de classe, o nome do membro e a assinatura do membro ausente.Gets the text string showing the class name, the member name, and the signature of the missing member.

public:
 virtual property System::String ^ Message { System::String ^ get(); };
public override string Message { get; }
member this.Message : string
Public Overrides ReadOnly Property Message As String

Valor da propriedade

String

A cadeia de caracteres da mensagem de erro.The error message string.

Exemplos

O exemplo a seguir demonstra a Message propriedade.The following example demonstrates the Message property. Este exemplo de código faz parte de um exemplo maior fornecido para a MissingMemberException classe.This code example is part of a larger example provided for the MissingMemberException class.

try
{
    // Attempt to access a static AnotherField field defined in the App class.
    // However, because the App class does not define this field,
    // a MissingFieldException is thrown.
    App::typeid->InvokeMember("AnotherField", BindingFlags::Static |
        BindingFlags::GetField, nullptr, nullptr, nullptr);
}
catch (MissingMemberException^ ex)
{
    // Notice that this code is catching MissingMemberException which is the
    // base class of MissingMethodException and MissingFieldException.
    // Show the user that the AnotherField field cannot be accessed.
    Console::WriteLine("Unable to access the AnotherField field: {0}",
        ex->Message);
}
try
{
    // Attempt to access a static AnotherField field defined in the App class.
    // However, because the App class does not define this field,
    // a MissingFieldException is thrown.
    typeof(App).InvokeMember("AnotherField", BindingFlags.Static |
        BindingFlags.GetField, null, null, null);
}
catch (MissingMemberException e)
{
 // Notice that this code is catching MissingMemberException which is the
 // base class of MissingMethodException and MissingFieldException.
 // Show the user that the AnotherField field cannot be accessed.
 Console.WriteLine("Unable to access the AnotherField field: {0}", e.Message);
}
    Try
        ' Attempt to access a static AnotherField field defined in the App class.
        ' However, because the App class does not define this field, 
        ' a MissingFieldException is thrown.
        GetType(App).InvokeMember("AnotherField", BindingFlags.Static Or BindingFlags.GetField, _
                                   Nothing, Nothing, Nothing)
    Catch e As MissingMemberException
        ' Notice that this code is catching MissingMemberException which is the  
        ' base class of MissingMethodException and MissingFieldException.
        ' Show the user that the AnotherField field cannot be accessed.
        Console.WriteLine("Unable to access the AnotherField field: {0}", e.Message)
    End Try
End Sub 

Comentários

Se o nome da classe não for especificado quando o objeto for construído, a cadeia de caracteres de texto padrão herdada da classe base será retornada.If the class name is not specified when the object is constructed, the default text string inherited from the base class is returned.

Esta propriedade substitui Message.This property overrides Message. A mensagem de erro deve ser localizada.The error message should be localized.

Esta propriedade é somente para leitura.This property is read-only.

Aplica-se a

Confira também