SmtpClient.OnBatchSendMail Event

Occurs when an email was sent by BatchSendMail method.

[Visual Basic]
Public Event OnBatchSendMail As OnBatchSendMailEventHandler
Public Delegate Sub OnBatchSendMailEventHandler( _
    ByVal sender As Object, _
    ByVal server As SmtpServer, _
    ByVal mail As SmtpMail, _
    ByVal ep As Exception, _
    ByRef cancel As Boolean _
)

[C#]
public event OnBatchSendMailEventHandler OnBatchSendMail;
public delegate void OnBatchSendMailEventHandler( 
     object sender, 
     SmtpServer server,
     SmtpMail mail,
     Exception ep,
     ref bool cancel 
);

[C++]
public: __event OnBatchSendMailEventHandler* OnBatchSendMail;
public __gc __delegate void OnBatchSendMailEventHandler( 
     Object* sender, 
     SmtpServer *server,
     SmtpMail *mail,
     Exception *ep,     
     bool __gc *cancel 
);

Event Data

Remarks

Example

[Visual Basic, C#] To get the full samples of EASendMail, please refer to Samples section.

[Visual Basic]
Imports EASendMail
Public Shared Sub OnBatchSendMail( _
    sender As Object, _
    server As SmtpServer, _
    mail As SmtpMail, _
    ep As Exception, _
    ByRef cancel As Boolean )
    
    ' you can insert the result to database in this subroutine.
    If Not ( ep Is NOthing ) Then
        'something wrong, please refer to ep.Message
        'cancel = True ' set cancel to true can cancel the remained emails.
    Else
         'delivered
    End If
End Sub

Public SendMail( _
    fromAddr As String, _
    rcpts As String, _
    server As String )
    
    Dim oAddrs As New AddressCollection(rcpts)
    Dim count As Integer = oAddrs.Count
    
    ' the maximum thread count to send email. you can increase or decrease this value.
    Dim maxThreads As Integer = 5 
    Dim mails(count-1) As SmtpMail
    Dim servers(count-1) As SmtpServer
            
    For i As Integer = 0 To count - 1
        Dim oMail As SmtpMail = New SmtpMail("TryIt")
        oMail.From = New MailAddress( fromAddr )
        oMail.Subject = "test subject"
        oMail.To.Add( oAddrs(i))
        oMail.TextBody = String.Format( "test body to {0}", oAddrs(i).ToString())

        mails(i) = oMail
    Next
    
    Dim oServer As SmtpServer = New SmtpServer( server )
    servers(0) = oServer
    
    Dim oSmtp As SmtpClient = New SmtpClient()
    
    Try  
        ' oSmtp.LogFileName = "c:\smtp.log"
        ' if the log wasn't able to be generated, 
        ' please create a smtp.log file on C: and assign everyone read-write permission to this
        ' file, then try it again.
        
        ' if you want to catch the result in OnBatchSendMail, please add the following code:
        AddHandler oSmtp.OnBatchSendMail, AddressOf OnBatchSendMail
        
        oSmtp.BatchSendMail( maxThreads, servers, mails )
        Response.Write( "EASendMail will send emails in background!" )
    Catch exp As System.Exception
        Response.Write( String.Format("Exception: Common: {0}", exp.Message))
    End Try
End Sub

[C#]
using System;
using EASendMail;

public static void OnBatchSendMail(
    object sender, 
    SmtpServer server, 
    SmtpMail mail, 
    Exception ep, ref bool cancel )
{
    // you can insert the result to database in this subroutine.
    if( ep != null )
    {
        // something wrong, please refer to ep.Message
        //cancel = true; // set cancel to true can cancel the remained emails.
    }
    else
    {
        //delivered
    }
}

public void SendMail(
    string fromAddr,
    string rcpts,
    string server )
{
    AddressCollection oAddrs = new AddressCollection(rcpts);
    int count = oAddrs.Count;
    
    // the maximum thread count to send email. you can increase or decrease this value. 
    int maxThreads = 5; 
    
    SmtpMail [] mails = new SmtpMail[count];
    SmtpServer[] servers = new SmtpServer[1];
    for( int i = 0; i < count; i++ )
    {
        SmtpMail oMail =  new SmtpMail("TryIt");
        oMail.From  = fromAddr;
        oMail.Subject = "test subject";
        oMail.To.Add( oAddrs[i] );
        oMail.TextBody = String.Format( "test body to {0}", oAddrs[i].ToString());
        mails[i] = oMail;       
    }
    
    SmtpServer oServer = new SmtpServer(txtServer.Text);
    servers[0] = oServer;
        
    SmtpClient oSmtp = new SmtpClient();
    
    try
    {       
        // oSmtp.LogFileName = "c:\\smtp.log";
        // if the log wasn't able to be generated, 
        // please create a smtp.log file on C: and assign everyone read-write permission to this
        // file, then try it again.
        
        // if you want to catch the result in OnBatchSendMail event, please add the following code 
        oSmtp.OnBatchSendMail += new EASendMail.SmtpClient.OnBatchSendMailEventHandler( OnBatchSendMail );
        
        oSmtp.BatchSendMail( maxThreads, servers, mails );
        Response.Write( "EASendMail will send message in background!" );
    }
    catch( System.Exception exp )
    {
        Response.Write( String.Format( "Exception: Common: {0}", exp.Message ));
    }   
}