Coding William%r

#property indicator_chart_window

#property indicator_buffers 1

#property indicator_color1 Red

double WilliamR_Buffer[];

double Price_High, Price_Low;

int WilliamR_Period = 14;

int OnInit()

{

   SetIndexBuffer(0, WilliamR_Buffer, INDICATOR_DATA);

   return(INIT_SUCCEEDED);

}

int OnCalculate(const int rates_total,

                const int prev_calculated,

                const datetime &time[],

                const double &open[],

                const double &high[],

                const double &low[],

                const double &close[],

                const long &tick_volume[],

                const long &volume[],

                const int &spread[])

{