Uses wodXMPP ActiveX component

Dim WithEvents wodXMPP1 As wodXMPPCom
Private Sub Form_Load()
    Set wodXMPP1 = New wodXMPPCom
    
    wodXMPP1.Login = "JID__username@domain.com"
    wodXMPP1.Password = "JID__password"
    wodXMPP1.UseUPnP = True 'use UPnP for firewalls.
    'Connect to Jabber/XMPP server.
    wodXMPP1.Connect
End Sub

'Connected Event fires when wodXMPP connects to remote server.
Private Sub wodXMPP1_Connected()
    'When Connected Event is fired, we can sand a file to some contact.
    'In this example we will do that using button on our form (check Command1_Click).
    MsgBox "Connected"
End Sub

'Disconnected Event fires when wodXMPP disconnects from server.
Private Sub wodXMPP1_Disconnected(ByVal ErrorCode As Long, ByVal ErrorText As String)
    'Inside Disconnected Event we can check for an error using ErrorText and ErrorCode variable.
    If ErrorCode <> 0 Then
        MsgBox "Error: " & ErrorText
    End If
End Sub

Private Sub Command1_Click()
    'Send file to a contact using SendFile.
    wodXMPP1.SendFile "contact_JID@domain.com", "c:\my_doc.txt", "here is my document"
End Sub

'FileTransferStart Event fires when file transfer starts.
Private Sub wodXMPP1_FileTransferStart(ByVal Contact As WODXMPPCOMLib.IXMPPContact, ByVal File As WODXMPPCOMLib.IXMPPFile, Action As WODXMPPCOMLib.XMPPActionsEnum)
    'Allow file transfer.
    Action = Allow
End Sub

'FileTransferProgress Event fires during file transfer.
Private Sub wodXMPP1_FileTransferProgress(ByVal Contact As WODXMPPCOMLib.IXMPPContact, ByVal File As WODXMPPCOMLib.IXMPPFile, ByVal Position As Long)
    Debug.Print Position & " / " & File.Size
End Sub

'FileTransferEnd Event fires when file transfer completes.
Private Sub wodXMPP1_FileTransferEnd(ByVal Contact As WODXMPPCOMLib.IXMPPContact, ByVal File As WODXMPPCOMLib.IXMPPFile, ByVal ErrorCode As Long, ByVal ErrorText As String)
    'We can check here for errors that is received during file transfer.
    If ErrorCode <> 0 Then
        MsgBox "FileTransfer Error: " & ErrorText
    Else
        MsgBox "File transfer finished!"
    End If
End Sub

Uses wodXMPP ActiveX component

Dim WithEvents wodXMPP1 As WODXMPPCOMLib.wodXMPPCom
Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
    wodXMPP1 = New WODXMPPCOMLib.wodXMPPCom

    wodXMPP1.Login = "JID__username@domain.com"
    wodXMPP1.Password = "JID__password"
    wodXMPP1.UseUPnP = True 'use UPnP for firewalls.
    'Connect to Jabber/XMPP server.
    wodXMPP1.Connect()
End Sub

'Connected Event fires when wodXMPP connects to remote server.
Private Sub wodXMPP1_Connected() Handles wodXMPP1.Connected
    'When Connected Event is fired, we can sand a file to some contact.
    'In this example we will do that using button on our form (check Button1_Click).
    MsgBox("Connected")
End Sub

'Disconnected Event fires when wodXMPP disconnects from server.
Private Sub wodXMPP1_Disconnected(ByVal ErrorCode As Integer, ByVal ErrorText As String) Handles wodXMPP1.Disconnected
    'Inside Disconnected Event we can check for an error using ErrorText and ErrorCode variable.
    If ErrorCode <> 0 Then
        MsgBox("Error: " & ErrorText)
    End If
End Sub

Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
    'Send file to a contact using SendFile.
    wodXMPP1.SendFile("contact_JID@domain.com", "c:\my_doc.txt", "here is my document")
End Sub

'FileTransferStart Event fires when file transfer starts.
Private Sub wodXMPP1_FileTransferStart(ByVal Contact As WODXMPPCOMLib.XMPPContact, ByVal File As WODXMPPCOMLib.XMPPFile, ByRef Action As WODXMPPCOMLib.XMPPActionsEnum) Handles wodXMPP1.FileTransferStart
    'Allow file transfer.
    Action = WODXMPPCOMLib.XMPPActionsEnum.Allow
End Sub

'FileTransferProgress Event fires during file transfer.
Private Sub wodXMPP1_FileTransferProgress(ByVal Contact As WODXMPPCOMLib.XMPPContact, ByVal File As WODXMPPCOMLib.XMPPFile, ByVal Position As Integer) Handles wodXMPP1.FileTransferProgress
    Console.WriteLine(Position & " / " & File.Size)
End Sub

'FileTransferEnd Event fires when file transfer completes.
Private Sub wodXMPP1_FileTransferEnd(ByVal Contact As WODXMPPCOMLib.XMPPContact, ByVal File As WODXMPPCOMLib.XMPPFile, ByVal ErrorCode As Integer, ByVal ErrorText As String) Handles wodXMPP1.FileTransferEnd
    'We can check here for errors that is received during file transfer.
    If ErrorCode <> 0 Then
        MsgBox("FileTransfer Error: " & ErrorText)
    Else
        MsgBox("File transfer finished!")
    End If
End Sub

Uses wodXMPP ActiveX component

WODXMPPCOMLib.wodXMPPCom wodXMPP1;
private void Form1_Load(System.Object sender, System.EventArgs e)
{
    wodXMPP1 = new WODXMPPCOMLib.wodXMPPCom();
    wodXMPP1.Connected += new WODXMPPCOMLib._IwodXMPPComEvents_ConnectedEventHandler(wodXMPP1_Connected);
    wodXMPP1.Disconnected += new WODXMPPCOMLib._IwodXMPPComEvents_DisconnectedEventHandler(wodXMPP1_Disconnected);
    wodXMPP1.FileTransferStart += new WODXMPPCOMLib._IwodXMPPComEvents_FileTransferStartEventHandler(wodXMPP1_FileTransferStart);
    wodXMPP1.FileTransferProgress += new WODXMPPCOMLib._IwodXMPPComEvents_FileTransferProgressEventHandler(wodXMPP1_FileTransferProgress);
    wodXMPP1.FileTransferEnd += new WODXMPPCOMLib._IwodXMPPComEvents_FileTransferEndEventHandler(wodXMPP1_FileTransferEnd);

    wodXMPP1.Login = "JID__username@domain.com";
    wodXMPP1.Password = "JID__password";
    wodXMPP1.UseUPnP = true; //use UPnP for firewalls.
    //Connect to Jabber/XMPP server.
    wodXMPP1.Connect(null);
}

//Connected Event fires when wodXMPP connects to remote server.
private void wodXMPP1_Connected()
{
    //When Connected Event is fired, we can sand a file to some contact.
    //In this example we will do that using button on our form (check button1_Click).
    MessageBox.Show("Connected");
}

//Disconnected Event fires when wodXMPP disconnects from server.
private void wodXMPP1_Disconnected(int ErrorCode, string ErrorText)
{
    //Inside Disconnected Event we can check for an error using ErrorText and ErrorCode variable.
    if (ErrorCode != 0)
    {
        MessageBox.Show("Error: " + ErrorText);
    }
}

private void button1_Click(object sender, EventArgs e)
{
    //Send file to a contact using SendFile.
    wodXMPP1.SendFile("contact_JID@domain.com", "c:\\my_doc.txt", "here is my document");
}

//FileTransferStart Event fires when file transfer starts.
private void wodXMPP1_FileTransferStart(WODXMPPCOMLib.XMPPContact Contact, WODXMPPCOMLib.XMPPFile File, ref WODXMPPCOMLib.XMPPActionsEnum Action)
{
    //Allow file transfer.
    Action = WODXMPPCOMLib.XMPPActionsEnum.Allow;
}

//FileTransferProgress Event fires during file transfer.
private void wodXMPP1_FileTransferProgress(WODXMPPCOMLib.XMPPContact Contact, WODXMPPCOMLib.XMPPFile File, int Position)
{
    Console.WriteLine(Position + " / " + File.Size);
}

//FileTransferEnd Event fires when file transfer completes.
private void wodXMPP1_FileTransferEnd(WODXMPPCOMLib.XMPPContact Contact, WODXMPPCOMLib.XMPPFile File, int ErrorCode, string ErrorText)
{
    //We can check here for errors that is received during file transfer.
    if (ErrorCode != 0)
    {
        MessageBox.Show("FileTransfer Error: " + ErrorText);
    }
    else
    {
        MessageBox.Show("File transfer finished!");
    }
}