void OnTick()
{

    string signal = "";
    double Sar = iSAR(_Symbol, _Period, 0.02, 0.2, 0);

    if (Sar < Low[1] && Open[1] < Close[1])
    {
        signal = "buy";
    }

    if (Sar > High[1] && Open[1] > Close[1])
    {
        signal = "sell";
    }

    if (signal == "buy" && OrdersTotal() == 0)

        OrderSend(_Symbol, OP_BUY, 0.01, Ask, 3, 20, 100, NULL, 0, 0, Green);

    if (signal == "sell" && OrdersTotal() == 0)

        OrderSend(_Symbol, OP_SELL, 0.01, Bid, 3, 20, 100, NULL, 0, 0, Red);

    Comment("The Signal is :", signal);

    if (Open[1] > Close[1] && OrdersTotal() > 0)

        CloseBuyPosition();

    if (Open[1] < Close[1] && OrdersTotal() > 0)

        CloseSellPosition();
}


void OnTick()
{
 /* string signal = "";
    double Sar = iSAR( _Symbol, _Period, 0.02, 0.2, 0 );

    if ( Sar <  Low[1] && Open[1] < Close[1] )      signal = "buy";
    if ( Sar > High[1] && Open[1] > Close[1] )      signal = "sell";

    if ( signal ==  "buy" && OrdersTotal() == 0 )   OrderSend( _Symbol, OP_BUY,  0.01, Ask, 3, 20, 100, NULL, 0, 0, Green );
    if ( signal == "sell" && OrdersTotal() == 0 )   OrderSend( _Symbol, OP_SELL, 0.01, Bid, 3, 20, 100, NULL, 0, 0, Red );

    Comment( "The Signal is :", signal );

    if ( Open[1] > Close[1] && OrdersTotal() > 0 )  CloseBuyPosition();
    if ( Open[1] < Close[1] && OrdersTotal() > 0 )  CloseSellPosition();
    */

    static int count_of_NOPs =  0;
    if ( OrdersTotal() == 0 )
    {    if (  Open[1] < Close[1]
            &&  Low[1] > iSAR( _Symbol, _Period, 0.02, 0.2, 0 )
               ) {  
                    int rc = OrderSend( _Symbol, OP_BUY,  0.01, Ask, 3, 20, 100, NULL, 0, 0, Green );
                    Print( StringFormat( "HAVING NO ORDERS ACTIVE... DID TRY OrderSend( OP_BUY  ) -> RESULTING RetCode ( tkt# ) == %d [yield GetLastError() == %d]",
                                          rc,
                                          GetLastError()
                                          )
                           );
                    count_of_NOPs =  0; //------------------------------ .RESET
                    return; //------------------------------------------^ J.I.T./RET
                    }
         if (   Open[1] > Close[1]
             && High[1] < iSAR( _Symbol, _Period, 0.02, 0.2, 0 )
                ) { 
                    int rc = OrderSend( _Symbol, OP_SELL, 0.01, Bid, 3, 20, 100, NULL, 0, 0, Red );
                    Print( StringFormat( "HAVING NO ORDERS ACTIVE... DID TRY OrderSend( OP_SELL ) -> RESULTING RetCode ( tkt# ) == %d [yield GetLastError() == %d]",
                                          rc,
                                          GetLastError()
                                          )
                           );
                    if ( )
                    count_of_NOPs =  0; //------------------------------ .RESET
                    return; //------------------------------------------^ J.I.T./RET
                    }

         /* OTHERWISE: */
                    Print( StringFormat( "HAVING NO ORDERS ACTIVE... DID NOP... (for %d time)",
                                        ++count_of_NOPs
                                          )
                           );
                    // */
        }
    else
    {    if ( Open[1] > Close[1] ) {    Print( StringFormat( "HAVING %d ORDERS ACTIVE... WILL TRY CloseBuyPosition()...",
                                                              OrdersTotal()
                                                              )
                                               );
                                        CloseBuyPosition();
                                        count_of_NOPs =  0; //---------- .RESET
                                        return; //----------------------^ J.I.T./RET
                                        }
         if ( Open[1] < Close[1] )  {   Print( StringFormat( "HAVING %d ORDERS ACTIVE... WILL TRY CloseSellPosition()...",
                                                              OrdersTotal()
                                                              )
                                               );
                                        CloseSellPosition();
                                        count_of_NOPs =  0; //---------- .RESET
                                        return; //----------------------^ J.I.T./RET
                                        }

        /* OTHERWISE: */
                                        Print( StringFormat( "HAVING %d ORDERS ACTIVE... DID NOP... (for %d time)",
                                                              OrdersTotal(),
                                                            ++count_of_NOPs
                                                              )
                                               );
                                        // */
        }