ContentDisposition.ToString Metoda
Definicja
Ważne
Niektóre informacje odnoszą się do produktu w wersji wstępnej, który może zostać znacząco zmodyfikowany przed wydaniem. Firma Microsoft nie udziela żadnych gwarancji, jawnych lub domniemanych, w odniesieniu do informacji podanych w tym miejscu.
Zwraca reprezentację String tego wystąpienia.
public:
override System::String ^ ToString();
public override string ToString ();
override this.ToString : unit -> string
Public Overrides Function ToString () As String
Zwraca
Obiekt String zawierający wartości właściwości dla tego wystąpienia.
Przykłady
W poniższym przykładzie kodu pokazano wywołanie tej metody.
static void CreateMessageWithAttachment( String^ server )
{
// Specify the file to be attached and sent.
// This example assumes that a file named Data.xls exists in the
// current working directory.
String^ file = L"data.xls";
// Create a message and set up the recipients.
MailMessage^ message = gcnew MailMessage( L"jane@contoso.com",L"ben@contoso.com",L"Quarterly data report.",L"See the attached spreadsheet." );
// Create the file attachment for this email message.
Attachment^ data = gcnew Attachment(file, MediaTypeNames::Application::Octet);
// Add time stamp information for the file.
ContentDisposition^ disposition = data->ContentDisposition;
disposition->CreationDate = System::IO::File::GetCreationTime( file );
disposition->ModificationDate = System::IO::File::GetLastWriteTime( file );
disposition->ReadDate = System::IO::File::GetLastAccessTime( file );
// Add the file attachment to this email message.
message->Attachments->Add( data );
//Send the message.
SmtpClient^ client = gcnew SmtpClient( server );
// Add credentials if the SMTP server requires them.
client->Credentials = CredentialCache::DefaultNetworkCredentials;
client->Send( message );
// Display the values in the ContentDisposition for the attachment.
ContentDisposition^ cd = data->ContentDisposition;
Console::WriteLine( L"Content disposition" );
Console::WriteLine( cd );
Console::WriteLine( L"File {0}", cd->FileName );
Console::WriteLine( L"Size {0}", cd->Size );
Console::WriteLine( L"Creation {0}", cd->CreationDate );
Console::WriteLine( L"Modification {0}", cd->ModificationDate );
Console::WriteLine( L"Read {0}", cd->ReadDate );
Console::WriteLine( L"Inline {0}", cd->Inline );
Console::WriteLine( L"Parameters: {0}", cd->Parameters->Count );
IEnumerator^ myEnum1 = cd->Parameters->GetEnumerator();
while ( myEnum1->MoveNext() )
{
DictionaryEntry^ d = safe_cast<DictionaryEntry^>(myEnum1->Current);
Console::WriteLine( L"{0} = {1}", d->Key, d->Value );
}
data->~Attachment();
client->~SmtpClient();
}
public static void CreateMessageWithAttachment(string server)
{
// Specify the file to be attached and sent.
// This example assumes that a file named Data.xls exists in the
// current working directory.
string file = "data.xls";
// Create a message and set up the recipients.
MailMessage message = new MailMessage(
"jane@contoso.com",
"ben@contoso.com",
"Quarterly data report.",
"See the attached spreadsheet.");
// Create the file attachment for this email message.
Attachment data = new Attachment(file, MediaTypeNames.Application.Octet);
// Add time stamp information for the file.
ContentDisposition disposition = data.ContentDisposition;
disposition.CreationDate = System.IO.File.GetCreationTime(file);
disposition.ModificationDate = System.IO.File.GetLastWriteTime(file);
disposition.ReadDate = System.IO.File.GetLastAccessTime(file);
// Add the file attachment to this email message.
message.Attachments.Add(data);
//Send the message.
SmtpClient client = new SmtpClient(server);
// Add credentials if the SMTP server requires them.
client.Credentials = CredentialCache.DefaultNetworkCredentials;
try
{
client.Send(message);
}
catch (Exception ex)
{
Console.WriteLine("Exception caught in CreateMessageWithAttachment(): {0}",
ex.ToString());
}
// Display the values in the ContentDisposition for the attachment.
ContentDisposition cd = data.ContentDisposition;
Console.WriteLine("Content disposition");
Console.WriteLine(cd.ToString());
Console.WriteLine("File {0}", cd.FileName);
Console.WriteLine("Size {0}", cd.Size);
Console.WriteLine("Creation {0}", cd.CreationDate);
Console.WriteLine("Modification {0}", cd.ModificationDate);
Console.WriteLine("Read {0}", cd.ReadDate);
Console.WriteLine("Inline {0}", cd.Inline);
Console.WriteLine("Parameters: {0}", cd.Parameters.Count);
foreach (DictionaryEntry d in cd.Parameters)
{
Console.WriteLine("{0} = {1}", d.Key, d.Value);
}
data.Dispose();
}
Uwagi
Ciąg zwracany przez metodę ToString to nagłówek Content-Disposition.
Nagłówek Content-Disposition został opisany w artykule RFC 2183 dostępnym pod adresem https://www.ietf.org.