MQL4参考 标准常量,列举和架构 命名常量 检测对象指针
Checking Object PointerThe CheckPointer() function is used for checking the type of the object pointer. The function returns a value of the ENUM_POINTER_TYPE enumeration. If an incorrect pointer is used, the program execution will be immediately terminated. Objects created by the new() operator are of POINTER_DYNAMIC type. The delete() operator can and should be used only for such pointers. All other pointers are of POINTER_AUTOMATIC type, which means that this object has been created automatically by the mql4 program environment. Such objects are deleted automatically after being used. ENUM_POINTER_TYPE
See also Runtime errors, Object Delete Operator delete, CheckPointer() |