![]() ![]() ![]() On the bases of value arrays received from buffers a client terminal displays indicator lines. Values of indicator array elements are sent to a client terminal via buffers.ģ. Calculations are conducted in a custom indicator as a result numeric values are assigned to indicator array elements.Ģ. The general order of building indicator lines is the following:ġ. Passing values of indicator arrays via a buffer to a client terminal. 115 shows how the information from a custom indicator is passed via buffers to a client terminal for drawing indicator lines.įig. The index of the first buffer is 0, of the second one - 1, and so on, the last one has the index 7. One indicator array and one buffer are brought into correspondence with each indicator line. MQL4 standard implies the possibility of drawing up to eight indicator lines using one custom indicator. ![]() The main principle underlying custom indicators is passing values of indicator arrays to a client terminal (for drawing indicator lines) via exchange buffers.īuffer is a memory area containing numeric values of an indicator array. MQL4 it is basically intended for graphical displaying of For this purpose MQL4 offers the possibility of creating custom indicators.Ĭustom Indicator is an application program coded in When creating a trading strategy a developer often faces the necessity to draw graphically in a security window a certain dependence calculated by a user (programmer). ![]()
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