MailMessage Costruttori

Source:

MailMessage.cs

Source:

MailMessage.cs

Source:

MailMessage.cs

public:
 MailMessage();

public MailMessage ();

Public Sub New ()

Commenti

From è impostato sul valore nell'elemento di rete perl'elemento smtp mailSettings<> (Impostazioni di rete) se esistente.

Source:

MailMessage.cs

Source:

MailMessage.cs

Source:

MailMessage.cs

public:
 MailMessage(System::Net::Mail::MailAddress ^ from, System::Net::Mail::MailAddress ^ to);

public MailMessage (System.Net.Mail.MailAddress from, System.Net.Mail.MailAddress to);

new System.Net.Mail.MailMessage : System.Net.Mail.MailAddress * System.Net.Mail.MailAddress -> System.Net.Mail.MailMessage

Public Sub New (from As MailAddress, to As MailAddress)

Parametri

Eccezioni

Esempio

Nell'esempio di codice seguente viene illustrata la chiamata a questo costruttore.

static void CreateTestMessage3()
{
   MailAddress^ to = gcnew MailAddress( L"jane@contoso.com" );
   MailAddress^ from = gcnew MailAddress( L"ben@contoso.com" );
   MailMessage^ message = gcnew MailMessage( from,to );
   message->Subject = L"Using the new SMTP client.";
   message->Body = L"Using this new feature, you can send an email message from an application very easily.";
   
   // Use the application or machine configuration to get the 
   // host, port, and credentials.
   SmtpClient^ client = gcnew SmtpClient;
   Console::WriteLine( L"Sending an email message to {0} at {1} by using the SMTP host {2}.", to->User, to->Host, client->Host );
   client->Send( message );
}

public static void CreateTestMessage3()
{
    MailAddress to = new MailAddress("jane@contoso.com");
    MailAddress from = new MailAddress("ben@contoso.com");
    MailMessage message = new MailMessage(from, to);
    message.Subject = "Using the new SMTP client.";
    message.Body = @"Using this new feature, you can send an email message from an application very easily.";
    // Use the application or machine configuration to get the
    // host, port, and credentials.
    SmtpClient client = new SmtpClient();
    Console.WriteLine("Sending an email message to {0} at {1} by using the SMTP host={2}.",
        to.User, to.Host, client.Host);
    client.Send(message);
}

Public Shared Sub CreateTestMessage3()
    Dim [to] As MailAddress = New MailAddress("jane@contoso.com")
    Dim from As MailAddress = New MailAddress("ben@contoso.com")
    Dim message As MailMessage = New MailMessage(from, [to])
    message.Subject = "Using the new SMTP client."
    message.Body = "Using this new feature, you can send an email message from an application very easily."
    'Use the application or machine configuration to get the
    ' host, port, And credentials.
    Dim client As SmtpClient = New SmtpClient()
    Console.WriteLine("Sending an email message to {0} at {1} by using the SMTP host={2}.", [to].User, [to].Host, client.Host)
    client.Send(message)
End Sub

Commenti

La From proprietà viene inizializzata utilizzando from e la To proprietà viene inizializzata usando to.

Source:

MailMessage.cs

Source:

MailMessage.cs

Source:

MailMessage.cs

public:
 MailMessage(System::String ^ from, System::String ^ to);

public MailMessage (string from, string to);

new System.Net.Mail.MailMessage : string * string -> System.Net.Mail.MailMessage

Public Sub New (from As String, to As String)

Parametri

Eccezioni

Esempio

Nell'esempio di codice seguente viene illustrata la chiamata a questo costruttore.

static void CreateTestMessage2( String^ server )
{
   String^ to = L"jane@contoso.com";
   String^ from = L"ben@contoso.com";
   MailMessage^ message = gcnew MailMessage( from,to );
   message->Subject = L"Using the new SMTP client.";
   message->Body = L"Using this new feature, you can send an email message from an application very easily.";
   SmtpClient^ client = gcnew SmtpClient( server );
   
   // Credentials are necessary if the server requires the client 
   // to authenticate before it will send email on the client's behalf.
   client->UseDefaultCredentials = true;
   client->Send( message );
   client->~SmtpClient();
}

public static void CreateTestMessage2(string server)
{
    string to = "jane@contoso.com";
    string from = "ben@contoso.com";
    MailMessage message = new MailMessage(from, to);
    message.Subject = "Using the new SMTP client.";
    message.Body = @"Using this new feature, you can send an email message from an application very easily.";
    SmtpClient client = new SmtpClient(server);
    // Credentials are necessary if the server requires the client
    // to authenticate before it will send email on the client's behalf.
    client.UseDefaultCredentials = true;

    try
    {
        client.Send(message);
    }
    catch (Exception ex)
    {
        Console.WriteLine("Exception caught in CreateTestMessage2(): {0}",
            ex.ToString());
    }
}

Public Shared Sub CreateTestMessage2(ByVal server As String)
    Dim [to] As String = "jane@contoso.com"
    Dim from As String = "ben@contoso.com"
    Dim message As MailMessage = New MailMessage(from, [to])
    message.Subject = "Using the new SMTP client."
    message.Body = "Using this new feature, you can send an email message from an application very easily."
    Dim client As SmtpClient = New SmtpClient(server)
    ' Credentials are necessary if the server requires the client
    ' to authenticate before it will send email on the client's behalf.
    client.UseDefaultCredentials = True

    Try
        client.Send(message)
    Catch ex As Exception
        Console.WriteLine("Exception caught in CreateTestMessage2(): {0}", ex.ToString())
    End Try
End Sub

Commenti

La From proprietà viene inizializzata utilizzando from e la To proprietà viene inizializzata usando to.

Source:

MailMessage.cs

Source:

MailMessage.cs

Source:

MailMessage.cs

public:
 MailMessage(System::String ^ from, System::String ^ to, System::String ^ subject, System::String ^ body);

public MailMessage (string from, string to, string? subject, string? body);

public MailMessage (string from, string to, string subject, string body);

new System.Net.Mail.MailMessage : string * string * string * string -> System.Net.Mail.MailMessage

Public Sub New (from As String, to As String, subject As String, body As String)

Parametri

Eccezioni

Esempio

Nell'esempio di codice seguente viene illustrata la chiamata a questo costruttore.

static void CreateTimeoutTestMessage( String^ server )
{
   String^ to = L"jane@contoso.com";
   String^ from = L"ben@contoso.com";
   String^ subject = L"Using the new SMTP client.";
   String^ body = L"Using this new feature, you can send an email message from an application very easily.";
   MailMessage^ message = gcnew MailMessage( from,to,subject,body );
   SmtpClient^ client = gcnew SmtpClient( server );
   Console::WriteLine( L"Changing time out from {0} to 100.", client->Timeout );
   client->Timeout = 100;
   
   // Credentials are necessary if the server requires the client 
   // to authenticate before it will send email on the client's behalf.
   client->Credentials = CredentialCache::DefaultNetworkCredentials;
   client->Send( message );
}

public static void CreateTimeoutTestMessage(string server)
{
    string to = "jane@contoso.com";
    string from = "ben@contoso.com";
    string subject = "Using the new SMTP client.";
    string body = @"Using this new feature, you can send an email message from an application very easily.";
    MailMessage message = new MailMessage(from, to, subject, body);
    SmtpClient client = new SmtpClient(server);
    Console.WriteLine("Changing time out from {0} to 100.", client.Timeout);
    client.Timeout = 100;
    // Credentials are necessary if the server requires the client
    // to authenticate before it will send email on the client's behalf.
    client.Credentials = CredentialCache.DefaultNetworkCredentials;
    client.Send(message);
}

Public Shared Sub CreateTimeoutTestMessage(ByVal server As String)
    Dim [to] As String = "jane@contoso.com"
    Dim from As String = "ben@contoso.com"
    Dim subject As String = "Using the new SMTP client."
    Dim body As String = "Using this new feature, you can send an email message from an application very easily."
    Dim message As MailMessage = New MailMessage(from, [to], subject, body)
    Dim client As SmtpClient = New SmtpClient(server)
    Console.WriteLine("Changing time out from {0} to 100.", client.Timeout)
    client.Timeout = 100
    ' Credentials are necessary if the server requires the client
    ' to authenticate before it will send email on the client's behalf.
    client.Credentials = CredentialCache.DefaultNetworkCredentials
    client.Send(message)
End Sub

Commenti

Le proprietà per il nuovo MailMessage oggetto vengono inizializzate nel modo seguente:

Per impostazione predefinita, si presuppone che l'oggetto e il contenuto usino la codifica predefinita in base alle impostazioni del computer locale. Usare le BodyEncoding proprietà e SubjectEncoding per specificare codifiche diverse.