MQL4参考 图表操作 ChartSetDouble

ChartSetDouble

Sets a value for a corresponding property of the specified chart. Chart property should be of a double type. The command is added to chart message queue and executed only after all previous commands have been processed.

bool  ChartSetDouble(
   long    chart_id,     // Chart ID
   int     prop_id,      // Property ID
   double  value         // Value
   );

Parameters

chart_id

[in]  Chart ID. 0 means the current chart.

prop_id

[in]  Chart property ID. Can be one of the ENUM_CHART_PROPERTY_DOUBLE values (except the read-only properties).

value

[in] Property value.

Return Value

Returns true if the command has been added to chart queue, otherwise false. To get error details use the GetLastError() function.