MQL4参考 程序端全局变量 GlobalVariableDel
GlobalVariableDelDeletes a global variable from the client terminal.
Parameters name [in] Global variable name. Return Value If successful, the function returns true, otherwise it returns false. To obtain an information about the error it is necessary to call the function GetLastError(). Note Global variables exist in the client terminal during 4 weeks since their last use, then they are automatically deleted. |