// Call this from program.cs
public void SerialDLLInit()
{
InitDG = new InitDelegate(Init);
SetInitComCallback(InitDG);
TxCharDG = new TxCharDelegate(Putc);
SetTxCharCallback(TxCharDG);
RxCharDG = new RxCharDelegate(Getc);
SetRxCharCallback(RxCharDG);
}
public static extern void SetTxCharCallback(TxCharDelegate fn);
