how to write this in mt4 language?
Plot( C, "Close", ParamColor("Color", colorDefault ), styleNoTitle | ParamStyle("Style") | GetPriceStyle() );
Buy = C > O;
Sell = C < O;
Cover=Buy;
Short=Sell;
shape = Buy * shapeUpArrow + Sell * shapeDownArrow;
PlotShapes( shape, IIf( Cross(H,Buy), colorWhite, colorWhite ),0, IIf( Buy, Low, High ) );
Plot( C, "Close", ParamColor("Color", colorDefault ), styleNoTitle | ParamStyle("Style") | GetPriceStyle() );
Buy = C > O;
Sell = C < O;
Cover=Buy;
Short=Sell;
shape = Buy * shapeUpArrow + Sell * shapeDownArrow;
PlotShapes( shape, IIf( Cross(H,Buy), colorWhite, colorWhite ),0, IIf( Buy, Low, High ) );