IDTech Windows SDK Guide  1.1.81.0
API reference for SmartPIN L100
Initialize SmartPIN L100:

A Singleton instance has been established in the IDT_L100 class. Establish the callback, and then set a connection to KioskIII through either USB or Serial.

public L100_Simple_Demo()
{
InitializeComponent();
IDT_L100.setCallback(MessageCallBack);
cbBaud.SelectedIndex = 0;
}