基于COM标准的CTP-API接口封装，通过这个COM接口，用户可以利用任何支持COM的语言来接入CTP；该COM组件在内部进行仓位和资金的自动计算，并对用户屏蔽了上期所的平今和平昨的差别（优先平今），对用户非常友好。-COM-based standard CTP-API interface package, through the COM interface, the user can use any language that supports COM to access CTP　the COM component is automatically calculated internally and capital positions, and shields the user from the previous period s level the difference between this peace yesterday (priority level today), very user-friendly.