Attachment Konstruktory
Definice
Důležité
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Inicializuje novou instanci Attachment třídy .
Přetížení
Attachment(String) |
Inicializuje novou instanci Attachment třídy se zadaným řetězcem obsahu. |
Attachment(Stream, ContentType) |
Inicializuje novou instanci Attachment třídy se zadaným datovým proudem a typem obsahu. |
Attachment(Stream, String) |
Inicializuje novou instanci Attachment třídy se zadaným datovým proudem a názvem. |
Attachment(String, ContentType) |
Inicializuje novou instanci Attachment třídy se zadaným řetězcem obsahu a ContentType. |
Attachment(String, String) |
Inicializuje novou instanci Attachment třídy se zadaným řetězcem obsahu a informacemi o typu MIME. |
Attachment(Stream, String, String) |
Inicializuje novou instanci Attachment třídy se zadaným streamem, názvem a typem MIME. |
Attachment(String)
- Zdroj:
- Attachment.cs
- Zdroj:
- Attachment.cs
- Zdroj:
- Attachment.cs
Inicializuje novou instanci Attachment třídy se zadaným řetězcem obsahu.
public:
Attachment(System::String ^ fileName);
public Attachment (string fileName);
new System.Net.Mail.Attachment : string -> System.Net.Mail.Attachment
Public Sub New (fileName As String)
Parametry
Výjimky
fileName
je null
.
fileName
je prázdné.
Příklady
Následující příklad kódu ukazuje, jak volat tento konstruktor.
static void CreateMessageInlineAttachment2( String^ server, String^ textMessage )
{
// Create a message and set up the recipients.
MailMessage^ message = gcnew MailMessage( L"jane@contoso.com",L"ben@contoso.com",L"A text message for you.",L"Message: " );
// Attach the message string to this email message.
Attachment^ data = gcnew Attachment( textMessage );
// Send textMessage as part of the email body.
message->Attachments->Add( data );
ContentType^ content = data->ContentType;
content->MediaType = MediaTypeNames::Text::Plain;
//Send the message.
// Include credentials if the server requires them.
SmtpClient^ client = gcnew SmtpClient( server );
client->Credentials = CredentialCache::DefaultNetworkCredentials;
client->Send( message );
data->~Attachment();
client->~SmtpClient();
}
public static void CreateMessageInlineAttachment2(string server, string
textMessage)
{
// Create a message and set up the recipients.
MailMessage message = new MailMessage(
"jane@contoso.com",
"ben@contoso.com",
"A text message for you.",
"Message: ");
// Attach the message string to this email message.
Attachment data = new Attachment(textMessage);
// Send textMessage as part of the email body.
message.Attachments.Add(data);
ContentType content = data.ContentType;
content.MediaType = MediaTypeNames.Text.Plain;
//Send the message.
// Include credentials if the server requires them.
SmtpClient client = new SmtpClient(server);
client.Credentials = CredentialCache.DefaultNetworkCredentials;
try
{
client.Send(message);
}
catch (Exception ex)
{
Console.WriteLine("Exception caught in CreateMessageInlineAttachment2: {0}",
ex.ToString());
}
data.Dispose();
}
Poznámky
Vlastnosti jsou nastavené takto:
Vlastnost | Hodnota |
---|---|
MediaType | Plain. |
TransferEncoding | QuotedPrintable. |
Platí pro
Attachment(Stream, ContentType)
- Zdroj:
- Attachment.cs
- Zdroj:
- Attachment.cs
- Zdroj:
- Attachment.cs
Inicializuje novou instanci Attachment třídy se zadaným datovým proudem a typem obsahu.
public:
Attachment(System::IO::Stream ^ contentStream, System::Net::Mime::ContentType ^ contentType);
public Attachment (System.IO.Stream contentStream, System.Net.Mime.ContentType contentType);
new System.Net.Mail.Attachment : System.IO.Stream * System.Net.Mime.ContentType -> System.Net.Mail.Attachment
Public Sub New (contentStream As Stream, contentType As ContentType)
Parametry
- contentType
- ContentType
A ContentType , který popisuje data v contentStream
souboru .
Výjimky
Příklady
Následující příklad kódu ukazuje, jak volat tento konstruktor.
// The following example sends a summary of a log file as the message
// and the log as an email attachment.
static void SendErrorLog( String^ server, String^ recipientList )
{
// Create a message from logMailer@contoso.com to recipientList.
MailMessage^ message = gcnew MailMessage( L"logMailer@contoso.com",recipientList );
message->Subject = L"Error Log report";
String^ fileName = L"log.txt";
// Get the file stream for the error log.
// Requires the System.IO namespace.
FileStream^ fs = gcnew FileStream( fileName,FileMode::Open,FileAccess::Read );
StreamReader^ s = gcnew StreamReader( fs );
int errors = 0;
while ( s->ReadLine() != nullptr )
{
// Process each line from the log file here.
errors++;
}
message->Body = String::Format( L"{0} errors in log as of {1}", errors, DateTime::Now );
// Close the stream reader. This also closes the file.
s->Close();
// Re-open the file at the beginning to make the attachment.
fs = gcnew FileStream( fileName,FileMode::Open,FileAccess::Read );
// Make a contentType indicating that the log data
// that is attached is plain text.
ContentType^ ct = gcnew ContentType( MediaTypeNames::Text::Plain );
// Attach the log file stream to the email message.
Attachment^ data = gcnew Attachment( fs,ct );
ContentDisposition^ disposition = data->ContentDisposition;
// Suggest a file name for the attachment.
disposition->FileName = String::Format( L"log{0}.txt", DateTime::Now );
// Add the attachment to the message.
message->Attachments->Add( data );
// Send the message.
// Include credentials if the server requires them.
SmtpClient^ client = gcnew SmtpClient( server );
client->Credentials = CredentialCache::DefaultNetworkCredentials;
client->Send( message );
data->~Attachment();
client->~SmtpClient();
// Close the log file.
fs->Close();
}
// The following example sends a summary of a log file as the message
// and the log as an email attachment.
public static void SendErrorLog(string server, string recipientList)
{
// Create a message from logMailer@contoso.com to recipientList.
MailMessage message = new MailMessage(
"logMailer@contoso.com", recipientList);
message.Subject = "Error Log report";
string fileName = "log.txt";
// Get the file stream for the error log.
// Requires the System.IO namespace.
FileStream fs = new FileStream(fileName, FileMode.Open, FileAccess.Read);
StreamReader s = new StreamReader(fs);
int errors = 0;
while (s.ReadLine() != null)
{
// Process each line from the log file here.
errors++;
}
// The email message summarizes the data found in the log.
message.Body = String.Format("{0} errors in log as of {1}",
errors, DateTime.Now);
// Close the stream reader. This also closes the file.
s.Close();
// Re-open the file at the beginning to make the attachment.
fs = new FileStream(fileName, FileMode.Open, FileAccess.Read);
// Make a contentType indicating that the log data
// that is attached is plain text.
ContentType ct = new ContentType(MediaTypeNames.Text.Plain);
// Attach the log file stream to the email message.
Attachment data = new Attachment(fs, ct);
ContentDisposition disposition = data.ContentDisposition;
// Suggest a file name for the attachment.
disposition.FileName = "log" + DateTime.Now.ToString() + ".txt";
// Add the attachment to the message.
message.Attachments.Add(data);
// Send the message.
// Include credentials if the server requires them.
SmtpClient client = new SmtpClient(server);
client.Credentials = CredentialCache.DefaultNetworkCredentials;
try
{
client.Send(message);
}
catch (Exception ex)
{
Console.WriteLine("Exception caught in SendErrorLog: {0}",
ex.ToString());
}
data.Dispose();
// Close the log file.
fs.Close();
}
Poznámky
Vlastnost TransferEncoding je nastavena na hodnotu Base64.
Pokud je false
vlastnost streamu CanSeek , příloha a objekt, MailMessage který ho obsahuje, se opakovaně nepoužádají. Musíte zadat datový proud, který lze prohledávat, aby bylo možné přílohu znovu použít.
Platí pro
Attachment(Stream, String)
- Zdroj:
- Attachment.cs
- Zdroj:
- Attachment.cs
- Zdroj:
- Attachment.cs
Inicializuje novou instanci Attachment třídy se zadaným datovým proudem a názvem.
public:
Attachment(System::IO::Stream ^ contentStream, System::String ^ name);
public Attachment (System.IO.Stream contentStream, string? name);
public Attachment (System.IO.Stream contentStream, string name);
new System.Net.Mail.Attachment : System.IO.Stream * string -> System.Net.Mail.Attachment
Public Sub New (contentStream As Stream, name As String)
Parametry
- name
- String
A String , který obsahuje hodnotu vlastnosti Name přidružené k ContentType této příloze. Tato hodnota může být null
.
Výjimky
contentStream
je null
.
Příklady
Následující příklad kódu ukazuje, jak volat tento konstruktor.
// The following example sends a summary of a log file as the message
// and the log as an email attachment.
static void SendNamedErrorLog( String^ server, String^ recipientList )
{
// Create a message from logMailer@contoso.com to recipientList.
MailMessage^ message = gcnew MailMessage( L"logMailer@contoso.com",recipientList );
message->Subject = L"Error Log report";
String^ fileName = L"log.txt";
// Get the file stream for the error log.
// Requires the System.IO namespace.
FileStream^ fs = gcnew FileStream( fileName,FileMode::Open,FileAccess::Read );
StreamReader^ s = gcnew StreamReader( fs );
int errors = 0;
while ( s->ReadLine() != nullptr )
{
// Process each line from the log file here.
errors++;
}
message->Body = String::Format( L"{0} errors in log as of {1}", errors, DateTime::Now );
// Close the stream reader. This also closes the file.
s->Close();
// Re-open the file at the beginning to make the attachment.
fs = gcnew FileStream( fileName,FileMode::Open,FileAccess::Read );
// Make a ContentType indicating that the log data
// that is attached is plain text and is named.
ContentType^ ct = gcnew ContentType;
ct->MediaType = MediaTypeNames::Text::Plain;
ct->Name = String::Format( L"log{0}.txt", DateTime::Now );
// Create the attachment.
Attachment^ data = gcnew Attachment( fs,ct );
// Add the attachment to the message.
message->Attachments->Add( data );
// Send the message.
// Include credentials if the server requires them.
SmtpClient^ client = gcnew SmtpClient( server );
client->Credentials = CredentialCache::DefaultNetworkCredentials;
client->Send( message );
data->~Attachment();
client->~SmtpClient();
// Close the log file.
fs->Close();
return;
}
// The following example sends a summary of a log file as the message
// and the log as an email attachment.
public static void SendNamedErrorLog(string server, string recipientList)
{
// Create a message from logMailer@contoso.com to recipientList.
MailMessage message = new MailMessage(
"logMailer@contoso.com", recipientList);
message.Subject = "Error Log report";
string fileName = "log.txt";
// Get the file stream for the error log.
// Requires the System.IO namespace.
FileStream fs = new FileStream(fileName, FileMode.Open, FileAccess.Read);
StreamReader s = new StreamReader(fs);
int errors = 0;
while (s.ReadLine() != null)
{
// Process each line from the log file here.
errors++;
}
// The email message summarizes the data found in the log.
message.Body = String.Format("{0} errors in log as of {1}",
errors, DateTime.Now);
// Close the stream reader. This also closes the file.
s.Close();
// Re-open the file at the beginning to make the attachment.
fs = new FileStream(fileName, FileMode.Open, FileAccess.Read);
// Make a ContentType indicating that the log data
// that is attached is plain text and is named.
ContentType ct = new ContentType();
ct.MediaType = MediaTypeNames.Text.Plain;
ct.Name = "log" + DateTime.Now.ToString() + ".txt";
// Create the attachment.
Attachment data = new Attachment(fs, ct);
// Add the attachment to the message.
message.Attachments.Add(data);
// Send the message.
// Include credentials if the server requires them.
SmtpClient client = new SmtpClient(server);
client.Credentials = CredentialCache.DefaultNetworkCredentials;
try
{
client.Send(message);
}
catch (Exception ex)
{
Console.WriteLine("Exception caught in SendNamedErrorLog: {0}",
ex.ToString());
}
data.Dispose();
// Close the log file.
fs.Close();
return;
}
Poznámky
Pokud name
není null
nebo se nerovná String.Empty (""), ContentType je vlastnost pro tuto přílohu vytvořena s vlastností nastavenou Name na name
hodnotu . Vlastnost TransferEncoding je nastavena na hodnotu Base64.
Pokud je false
vlastnost streamu CanSeek , příloha a objekt, MailMessage který ho obsahuje, se opakovaně nepoužádají. Pokud chcete přílohu znovu použít, musíte zadat datový proud, který lze prohledávat.
Platí pro
Attachment(String, ContentType)
- Zdroj:
- Attachment.cs
- Zdroj:
- Attachment.cs
- Zdroj:
- Attachment.cs
Inicializuje novou instanci Attachment třídy se zadaným řetězcem obsahu a ContentType.
public:
Attachment(System::String ^ fileName, System::Net::Mime::ContentType ^ contentType);
public Attachment (string fileName, System.Net.Mime.ContentType contentType);
new System.Net.Mail.Attachment : string * System.Net.Mime.ContentType -> System.Net.Mail.Attachment
Public Sub New (fileName As String, contentType As ContentType)
Parametry
- contentType
- ContentType
A ContentType , který popisuje data v fileName
souboru .
Výjimky
fileName
je null
.
mediaType
není ve správném formátu.
Platí pro
Attachment(String, String)
- Zdroj:
- Attachment.cs
- Zdroj:
- Attachment.cs
- Zdroj:
- Attachment.cs
Inicializuje novou instanci Attachment třídy se zadaným řetězcem obsahu a informacemi o typu MIME.
public:
Attachment(System::String ^ fileName, System::String ^ mediaType);
public Attachment (string fileName, string? mediaType);
public Attachment (string fileName, string mediaType);
new System.Net.Mail.Attachment : string * string -> System.Net.Mail.Attachment
Public Sub New (fileName As String, mediaType As String)
Parametry
- mediaType
- String
A String , který obsahuje informace o záhlaví obsahu MIME pro tuto přílohu. Tato hodnota může být null
.
Výjimky
fileName
je null
.
mediaType
není ve správném formátu.
Příklady
Následující příklad kódu ukazuje, jak volat tento konstruktor.
static void CreateMessageInlineAttachment( String^ server, String^ textMessage )
{
// Create a message and set up the recipients.
MailMessage^ message = gcnew MailMessage( L"jane@contoso.com",L"ben@contoso.com",L"An inline text message for you.",L"Message: " );
// Attach the message string to this email message.
Attachment^ data = gcnew Attachment( textMessage,MediaTypeNames::Text::Plain );
// Send textMessage as part of the email body.
message->Attachments->Add( data );
ContentDisposition^ disposition = data->ContentDisposition;
disposition->Inline = true;
//Send the message.
// Include credentials if the server requires them.
SmtpClient^ client = gcnew SmtpClient( server );
client->Credentials = CredentialCache::DefaultNetworkCredentials;
client->Send( message );
data->~Attachment();
client->~SmtpClient();
}
public static void CreateMessageInlineAttachment(string server, string
textMessage)
{
// Create a message and set up the recipients.
MailMessage message = new MailMessage(
"jane@contoso.com",
"ben@contoso.com",
"An inline text message for you.",
"Message: ");
// Attach the message string to this email message.
Attachment data = new Attachment(textMessage, MediaTypeNames.Text.Plain);
// Send textMessage as part of the email body.
message.Attachments.Add(data);
ContentDisposition disposition = data.ContentDisposition;
disposition.Inline = true;
//Send the message.
// Include credentials if the server requires them.
SmtpClient client = new SmtpClient(server);
client.Credentials = CredentialCache.DefaultNetworkCredentials;
try
{
client.Send(message);
}
catch (Exception ex)
{
Console.WriteLine("Exception caught in CreateMessageInlineAttachment: {0}",
ex.ToString());
}
data.Dispose();
}
Poznámky
Pokud mediaType
je null
nebo rovno String.Empty ("), MediaType je vlastnost této přílohy nastavena na Plainhodnotu . Pokud mediaType
není null
a není řetězec nulové délky, použije se k vytvoření přidruženého ContentType k této příloze.
Platí pro
Attachment(Stream, String, String)
- Zdroj:
- Attachment.cs
- Zdroj:
- Attachment.cs
- Zdroj:
- Attachment.cs
Inicializuje novou instanci Attachment třídy se zadaným streamem, názvem a typem MIME.
public:
Attachment(System::IO::Stream ^ contentStream, System::String ^ name, System::String ^ mediaType);
public Attachment (System.IO.Stream contentStream, string? name, string? mediaType);
public Attachment (System.IO.Stream contentStream, string name, string mediaType);
new System.Net.Mail.Attachment : System.IO.Stream * string * string -> System.Net.Mail.Attachment
Public Sub New (contentStream As Stream, name As String, mediaType As String)
Parametry
- name
- String
A String , který obsahuje hodnotu vlastnosti Name přidružené k ContentType této příloze. Tato hodnota může být null
.
- mediaType
- String
A String , který obsahuje informace o záhlaví obsahu MIME pro tuto přílohu. Tato hodnota může být null
.
Výjimky
stream
je null
.
mediaType
není ve správném formátu.
Příklady
Následující příklad kódu ukazuje, jak volat tento konstruktor.
// The following example sends a summary of a log file as the message
// and the log as an email attachment.
static void SendNamedAndTypedErrorLog( String^ server, String^ recipientList )
{
// Create a message from logMailer@contoso.com to recipientList.
MailMessage^ message = gcnew MailMessage( L"logMailer@contoso.com",recipientList );
message->Subject = L"Error Log report";
String^ fileName = L"log.txt";
// Get the file stream for the error log.
// Requires the System.IO namespace.
FileStream^ fs = gcnew FileStream( fileName,FileMode::Open,FileAccess::Read );
StreamReader^ s = gcnew StreamReader( fs );
int errors = 0;
while ( s->ReadLine() != nullptr )
{
// Process each line from the log file here.
errors++;
}
message->Body = String::Format( L"{0} errors in log as of {1}", errors, DateTime::Now );
// Close the stream reader. This also closes the file.
s->Close();
// Re-open the file at the beginning to make the attachment.
fs = gcnew FileStream( fileName,FileMode::Open,FileAccess::Read );
// Create a name for the log data file.
String^ name = String::Format( L"log{0}.txt", DateTime::Now );
// Create the attachment, name it, and specify the MIME type.
Attachment^ data = gcnew Attachment( fs,name,MediaTypeNames::Text::Plain );
// Add the attachment to the message.
message->Attachments->Add( data );
// Send the message.
// Include credentials if the server requires them.
SmtpClient^ client = gcnew SmtpClient( server );
client->Credentials = CredentialCache::DefaultNetworkCredentials;
client->Send( message );
data->~Attachment();
client->~SmtpClient();
// Close the log file.
fs->Close();
}
// The following example sends a summary of a log file as the message
// and the log as an email attachment.
public static void SendNamedAndTypedErrorLog(string server, string recipientList)
{
// Create a message from logMailer@contoso.com to recipientList.
MailMessage message = new MailMessage(
"logMailer@contoso.com", recipientList);
message.Subject = "Error Log report";
string fileName = "log.txt";
// Get the file stream for the error log.
// Requires the System.IO namespace.
FileStream fs = new FileStream(fileName, FileMode.Open, FileAccess.Read);
StreamReader s = new StreamReader(fs);
int errors = 0;
while (s.ReadLine() != null)
{
// Process each line from the log file here.
errors++;
}
// The email message summarizes the data found in the log.
message.Body = String.Format("{0} errors in log as of {1}",
errors, DateTime.Now);
// Close the stream reader. This also closes the file.
s.Close();
// Re-open the file at the beginning to make the attachment.
fs = new FileStream(fileName, FileMode.Open, FileAccess.Read);
// Create a name for the log data file.
string name = "log" + DateTime.Now.ToString() + ".txt";
// Create the attachment, name it, and specify the MIME type.
Attachment data = new Attachment(fs, name, MediaTypeNames.Text.Plain);
// Add the attachment to the message.
message.Attachments.Add(data);
// Send the message.
// Include credentials if the server requires them.
SmtpClient client = new SmtpClient(server);
client.Credentials = CredentialCache.DefaultNetworkCredentials;
try
{
client.Send(message);
}
catch (Exception ex)
{
Console.WriteLine("Exception caught in SendNamedAndTypedErrorLog: {0}",
ex.ToString());
}
data.Dispose();
// Close the log file.
fs.Close();
}
Poznámky
Pokud mediaType
není null
nebo rovno String.Empty (""), použije se k vytvoření ContentType třídy přidružené k této příloze.
Pokud mediaType
i name
obsahují Name informace, použije se hodnota zadaná v name
. Vlastnost TransferEncoding je nastavena na hodnotu Base64.
Pokud je false
vlastnost streamu CanSeek , příloha a objekt, MailMessage který ho obsahuje, se opakovaně nepoužádají. Pokud chcete přílohu znovu použít, musíte zadat datový proud, který lze prohledávat.