winform 참고 사이트

http://blog.daum.net/poisonguy/3668545

투명선
http://translate.googleusercontent.com/translate_c?depth=1&hl=ko&langpair=en%7Cko&rurl=translate.google.co.kr&u=http://stackoverflow.com/questions/8433416/how-to-draw-a-transparent-line-on-winform&usg=ALkJrhiLXN_YvpBlv-2EZ4aR4OMOafBSvg

http://www.scripter.co.kr/entry/WinForm-Graphic%EC%9D%84-PictureBox%EC%97%90-%EB%84%A3%EC%96%B4%EB%B3%B4%EC%9E%90

http://www.techotopia.com/index.php/Drawing_Graphics_in_C_Sharp

http://www.devpia.com/Maeul/Contents/Detail.aspx?BoardID=17&MAEULNo=8&no=148817&ref=148817

linq
http://www.codeproject.com/Articles/286255/Using-LINQ-Queries

람다
http://www.dotnetperls.com/max

이미지그리기
http://blog.naver.com/PostView.nhn?blogId=goldrushing&logNo=130144193640
http://www.devpia.com/Maeul/Contents/Detail.aspx?BoardID=17&MAEULNo=8&no=138421&ref=138421