MQL4 Learning - page 23

[Craig]

1Dave7:
double b=MarketInfo("EURUSD",MODE_BID);

1) How do I get this into a numeric variable that I can add and subtract with???

2) What can I substitute "EURUSD" with that I can use it on any currency with hardcoding the currency pair in?? NULL does not seem to work.

If you got the answers, Please help!

Dave

<<<

1. A double is a numeric value which you can add and subtract, so it's already done.

2. MarketInfo(Symbol(), MODE_BID); uses the current chart which the ea or indicator is attached to.

[1Dave7]

Got the info, now how do I use the info in a formula??

Forget it.

[1Dave7]

Great, Thanks - did the trick! I will document this for the future in my notes.

Have a great week!

Dave

<<<

[prasxz]

how to draw little circle

Hi MQL master,

I need help , how to draw little circle on each end of hi low zigzag line .?

Thanks

==================

Forex Indicators Collection

[1Dave7]

Use a zig zag pointer program (Match the zig zag settings) and change the arrow to a 108 or 161, 162, 163 versus 234, 233. You can change the size of the circle or dot by changing the number 4 after the arrow to smaller by a lower number.

Hope this helps!

Dave

<<<

[justize]

Putting symbols into the chart by an EA

Hi,

is it able to insert symbols like arrows or something else by a generatet signal of an EA?

Thanks

[ralphronnquist]

Yes; check the "Object" functions.

[fxbs]

stochk0> stochk10 ?

iStochastic(Symbol(), Period(), Stoch_K,Stoch_D, Stoch_Slowing, MODE_SMA, 0, MODE_MAIN, i)> iStochastic(Symbol(), Period(), Stoch_K,Stoch_D, Stoch_Slowing, MODE_SMA, 0, MODE_MAIN, i)?

________

"(stochk0 > stochk10)

double stochk0 = iStochastic(Symbol(), Period(), Stoch_K,Stoch_D, Stoch_Slowing, MODE_SMA, 0, MODE_MAIN, i);

double stochk10 = iStochastic(Symbol(), Period(), Stoch_K,Stoch_D, Stoch_Slowing, MODE_SMA, 0, MODE_MAIN, i);"

[wolfe]

Modify a magic number?

Hello all,

I am wondering if anyone can help me with this problem? I keep track of ALL orders in my EA's through magic numbers. Every order has it's own unique magic number assigned to it.

What I want to know is this: Is it possible to modify an open order and change it's magic number identifier? Any help would be greatly appreciated!

[european]

You probably know it yourself but the only function in MQ4 that changes parameters of an order is OrderModify().

Unfortunately it doesn't allow to modify magic number.