Ae in forex

If the first symbol in a line is " # ", it mean that this string is a preprocessor directive.

Directives are used to specify additional program properties, to declare constants, to include header files and imported functions. Note that after preprocessor directives there are no semicolon ( ; ) symbols.

In addition, you need to specify the number of indicators buffers that will be used and the number of graphic series. In our case, there are two lines, each of them has its own buffer - an array with the data in forex ae that will be plotted.

The basic line types are: DRAW_LINE - for lines, DRAW_SECTION - for sections, DRAW_HISTORAM for the histograms. You can define the color by specifying the brightness of its three RGB components or by using the predefined colors, for example, Red, Green, Blue, White, etc.

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The line styles are: STYLE_SOLID - solid line, STYLE_DASH - dashed line, STYLE_DOT - dotted line, STYLE_DASHDOT - dash-dot line, STYLE_DASHDOTDOT - dash-two ae points in forex. On a global level (that is ae in forex visible to all functions), we will specify ae forex in variables (and their types), that will be used by different functions of our indicator. The bu and bd arrays will be used for the upper and lower lines of indicator. the arrays without specified number of elements), because we dont bf smart scalper ea review know exactly the number of elements that will be used (their size will be allocated automatically).

The ae in forex handle of built-in technical indicator will be stored in the hATR variable. Indicator handle ae in forex is necessary to use forex trading robot dave review the indicator. The ae in forex function OnInit is called after the indicators running (after range breakout ea mt4 download its attaching to the chart). The function SetIndexBuffer is necessary to specify the fact that the bu and bd arrays are the indicators buffers, that will be used to store the indicators values, ae in forex that are plotted as lines of indicator.

The first parameter defines the index of indicators buffer, the ordering starts from 0. The second parameter specifies an array, assigned to indicators buffer. The third parameter specifies the type of data, stored in the indicators ae forex in buffer: INDICATOR_DATA - data for plotting, INDICATOR_COLOR_INDEX ae forex - drawing in color, INDICATOR_CALCULATIONS - auxiliary buffers for intermediate wall street forex robot evolution calculations.

The indicators handle, returned by the iATR function, is stored in the hATR variable. The first parameter of the iATR function is trade symbol, NULL - is the symbol of current chart. The second parameter specifies the chart period, that is used for indicator calculation. The third ae in forex parameter is the averaging period of the ATR indicator. After the calling the OnCalculate function, the client terminal passes the following ae in forex parameters: rates_total - number of bars on the current chart, prev_calculated - number of bars, already calculated by the indicator, time , open , high , low , close , tick_volume , volume , spread - ae in forex arrays, containing the time, open, high, low, close, tick_volume, volume and spread values for each bar, respectively. To reduce the calculation ae in forex time, its not necessary to recalculate indicator values, that have been already calculated and havent changed. After calling the OnCalculate function it returns the number of bars, that ae in forex have been already calculated.

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The code of the OnCalculate function is enclosed in perentheses. It ae in forex begins with local variables, that are used in the function - their types and names. The i variable is used as a cycle counter, the day_n and day_t variables are used to store the number of day and to temporarily store the number of day, when calculating the maximal and minimal price values during the day. The atr array is used to store forex in ae the values of the ATR indicator, and the h_day and l_day variables are used to store easy forex signals vip the maximal and minimal price values during the day. First, we have to copy the values of ATR indicator into ae in forex the atr array, using the CopyBuffer function. Well use the handle of ATR indicator as the first parameter of this function. The second parameter is the number of ae in forex the indicators buffers (numbering starts from 0), ae in forex the ATR indicator has an only one buffer.