[Visual Basic]
 
'Create a new IMClient
Dim MC as new IMSDK.IMClient
 
 
 
'Call the Listen Sub
MC.Listen()
 
 
 
'Now Try to login
MC.BeginLogin(TxtUsername.Text,TxtPassword.Text)
 
 
 
'if username and password is valid then
Private Sub MC_OnLoggedin(ByVal UserObject As IMSDK.User) Handles MC.OnLoggedin
    Debug.WriteLine("Username logged in : " & MCUser.Username & " , " & MCUser.Password)
End Sub
 
 
 
'if username or password is invalid then
Private Sub MC_OnUsernameOrPasswordInvalid(ByVal Username As String, ByVal Password As String) Handles MC.OnUsernameOrPasswordInvalid
  Debug.WriteLine("Username password invalid : " & Username & " , " & Password)
End Sub
 
 
 
 
'Change Display picture
MC.UpdateDisplayPicture(FileDlg.FileName, PB.Width, PB.Height)
 
 
 
 
'When Completes Event is fired
    Private Sub MC_OnDisplayPictureUpdated(ByVal ImagePath As String) Handles MC.OnDisplayPictureUpdated
        Debug.WriteLine("On Display Picture Updated :" & ImagePath)
    End Sub