Locating a valid parent object, given a coordinate offset or starting item in the hierarchy to search.
根据要在搜寻的阶层架构中的座标位移或开始项目，找出有效的父物件。
2
An RVA is the address of an item once loaded into memory, with the base address of the image file subtracted from it (i. e., the offset from the base address where the file is loaded).