程序从标准输入读入数据输出至指定输出文件，并根据输入的要求同步写或异步写。 此程序的主体在于read和write函数的配合使用以实现将从输入文件读入的数据复制到输出文件。-procedures from the standard input output read data to the designated output file, and in accordance with the requirements of the importation of synchronous or as

关于c++虚函数的运用 主要功能是实现一个类似与问题提问的回答.-c on the use of virtual function main function is to achieve a similar problem with the question answered.

实现快捷图标属性对话框中的查找目标的功能。利用shell函数实现打开浏览器并选中文件，主要函数SHOpenFolderAndSelectItems。-achieve efficient icon attribute dialog goal of the search function. The use of shell Function open the browser and selected documents, the main function SHOpenFolderAndSelect