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ContentDisposition.ToString Method

Returns a String representation of this instance.

Namespace:  System.Net.Mime
Assembly:  System (in System.dll)

public override string ToString()

Return Value

Type: System.String
A String that contains the property values for this instance.

The string returned by the ToString method is the Content-Disposition header.

The Content-Disposition header is described in RFC 2183 available at http://www.ietf.org.

The following code example demonstrates calling this method.

		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 e-mail 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 e-mail 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();
		}
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 = S"data.xls";
         // Create a message and set up the recipients.
         MailMessage* message = new MailMessage(
            S"jane@contoso.com", 
            S"ben@contoso.com",
            S"Quarterly data report.", 
            S"See the attached spreadsheet.");

        // Create  the file attachment for this e-mail message.
        Attachment* data = new Attachment();
        data->SetContentFromFile(file, 0, 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 e-mail 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;
        client->Send(message);
        // Display the values in the ContentDisposition for the attachment.
        ContentDisposition* cd = data->ContentDisposition;
        Console::WriteLine(S"Content disposition");
        Console::WriteLine(cd);
        Console::WriteLine(S"File {0}",cd->FileName);
        Console::WriteLine(S"Size {0}", __box(cd->Size));
        Console::WriteLine(S"Creation {0}", __box(cd->CreationDate));
        Console::WriteLine(S"Modification {0}", __box(cd->ModificationDate));
        Console::WriteLine(S"Read {0}", __box(cd->ReadDate));
        Console::WriteLine(S"Inline {0}", __box(cd->Inline));
        Console::WriteLine(S"Parameters: {0}", __box(cd->Parameters->Count));
        IEnumerator* myEnum1 = cd->Parameters->GetEnumerator();
        while (myEnum1->MoveNext())
        {
            DictionaryEntry* d = __try_cast<DictionaryEntry*>(myEnum1->Current);
            Console::WriteLine(S"{0} = {1}", d->Key, d->Value);
        }
        data->Dispose();
        client->Dispose();
    }

Windows 7, Windows Vista, Windows XP SP2, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP Starter Edition, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003, Windows Server 2000 SP4, Windows Millennium Edition, Windows 98

The .NET Framework and .NET Compact Framework do not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

.NET Framework

Supported in: 3.5, 3.0, 2.0
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