Sets the real type property value for a custom symbol.
[in] Custom symbol name.
[in] Symbol property ID. The value can be one of the values of the ENUM_SYMBOL_INFO_DOUBLE enumeration.
[in] A double type variable containing the property value.
true success, otherwise false. To get information about the error, call the GetLastError() function.
The minute and tick history of the custom symbol is completely removed if any of these properties is changed in the symbol specification:
After deleting the custom symbol history, the terminal attempts to create a new history using the updated properties. The same happens when the custom symbol properties are changed manually.