实现屏幕取词功能，主要功能封装在DLL中，使用时，只需要调用dll中的相关函数。-Screen Translation function to achieve the main functionality encapsulated in the DLL, use, simply call the relevant function in the dll.

屏幕取词查询，显示查询结果。查询源自定义，事例中为aaa.txt.-Screen query, display the query results.