１１

http://www.codeproject.com/KB/cs/cssingprocess.aspx
http://www.codeproject.com/KB/cs/SingleInstanceAppMutex.aspx
http://www.codeproject.com/KB/dotnet/globalcache.aspx
http://program.station.ez-net.jp/special/visual_studio/csharp/2005.mutex.asp
http://dobon.net/vb/dotnet/process/checkprevinstance.html
http://cf2.blog.shinobi.jp/Entry/6/
http://blog.livedoor.jp/akf0/archives/50923963.html
http://www.cs-dotnet.com/2006/07/3-net-framework-rssnet-framewo.html
http://www.atmarkit.co.jp/fdotnet/dotnettips/145winmutex/winmutex.html

http://www.atmarkit.co.jp/fdotnet/dotnettips/722getprocessbyname/getprocessbyname.html
GetWindowThreadProcessId