File list (Check if you may need any files):
ToGray
......\ToGray
......\......\bin
......\......\...\Debug
......\......\...\.....\0.bmp
......\......\...\.....\0a.bmp
......\......\...\.....\1.bmp
......\......\...\.....\1b.bmp
......\......\...\.....\a.bmp.bmp
......\......\...\.....\asdfasdfsdf.jpg
......\......\...\.....\b.bmp
......\......\...\.....\c.bmp
......\......\...\.....\d.bmp
......\......\...\.....\dsfsdf.jpg
......\......\...\.....\e.bmp
......\......\...\.....\e.bmp.bmp
......\......\...\.....\f.bmp
......\......\...\.....\g.bmp
......\......\...\.....\h.bmp
......\......\...\.....\i.bmp
......\......\...\.....\j.bmp
......\......\...\.....\k.bmp
......\......\...\.....\l.bmp
......\......\...\.....\ToGray.exe
......\......\...\.....\ToGray.pdb
......\......\...\.....\ToGray.vshost.exe
......\......\...\.....\ToGray.vshost.exe.manifest
......\......\common.cs
......\......\Filters.cs
......\......\Form1.cs
......\......\Form1.Designer.cs
......\......\Form1.resx
......\......\obj
......\......\...\Debug
......\......\...\.....\TempPE
......\......\...\.....\ToGray.csproj.FileListAbsolute.txt
......\......\...\.....\ToGray.csproj.GenerateResource.Cache
......\......\...\.....\ToGray.exe
......\......\...\.....\ToGray.Form1.resources
......\......\...\.....\ToGray.pdb
......\......\...\.....\ToGray.Properties.Resources.resources
......\......\Program.cs
......\......\Properties
......\......\..........\AssemblyInfo.cs
......\......\..........\Resources.Designer.cs
......\......\..........\Resources.resx
......\......\..........\Settings.Designer.cs
......\......\..........\Settings.settings
......\......\ToGray.csproj
......\......\ToGray.csproj.user
......\ToGray.sln