说明：  前几天要写一段在Windows CE 下拷屏的程序,但是CE不支持GetDIBits这个API,这可难坏了我,在网上查了半天资料,最后用CreateDIBSection搞定,现封装成一个函数SaveDCToBMP,方便大家使用
(A few days ago to write a section in the Windows CE screen copy of the procedures, but CE does not support GetDIBits this API, it can be difficult for me out of online information search for a long time, and finally get to use CreateDIBSection, it is packaged as a function SaveDCToBMP, to facilitate the use of U.S.)