File list (Check if you may need any files):
Png\pngbutton.dpk
...\pngbutton.dproj
...\pngbutton.dproj.local
...\pngbutton.identcache
...\pngbutton.res
...\pngextra.pas
...\Win32\Debug\pngbutton.dcu
...\.....\.....\pngextra.dcu
...\__history\pngextra.pas.~10~
...\.........\pngextra.pas.~11~
...\.........\pngextra.pas.~12~
...\.........\pngextra.pas.~13~
...\.........\pngextra.pas.~4~
...\.........\pngextra.pas.~5~
...\.........\pngextra.pas.~6~
...\.........\pngextra.pas.~7~
...\.........\pngextra.pas.~8~
...\.........\pngextra.pas.~9~
...\Win32\Debug
...\Win32
...\__history
Png