Description: functional presentations : Some software in the operation of certain documents should compressed into compressed files. , Wrote the compression process would be too troublesome, although there are many free source code can use category, but also the use of code, a careless It is not the normal. My approach is to call the compressed files to complete compression. The process used to wait for the end of the compression method. Upon the completion of the back for the other work. This procedure aims to demonstrate the process of initiating and wait for the end of the call other procedures.
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