WPF Panel 공부

http://msdn.microsoft.com/en-us/library/system.windows.controls.panel.aspx#inheritanceContinued

http://ratmsma.tistory.com/1695

GRID 상세

http://kr.blog.yahoo.com/jooonho/179

http://msdn.microsoft.com/ko-kr/library/system.windows.controls.grid(VS.95).aspx

http://msdn.microsoft.com/ko-kr/library/system.windows.controls.grid(d=lightweight).aspx