基于windows程序设计的窗口小程序，日记本功能。有兴趣的研究。-Windows based programming window small program, diary function. Interested in research.

this code is the hamming windowind(In signal processing, a window function (also known as an apodization function or tapering function[1]) is a mathematical function that is zero-valued outside of some chosen interval. For instance, a function that i