搜索关键字 c# 图片变形
http://www.baidu.com/baidu?wd=c%23+%CD%BC%C6%AC%B1%E4%D0%CE&tn=monline_4_dg
C# 转 Vb.net
http://codeconverter.sharpdevelop.net/SnippetConverter.aspx