File list (Check if you may need any files):
OpenPDF
.......\SignPDF
.......\SignPDF.sln
.......\SignPDF.v12.suo
.......\.......\App.config
.......\.......\bin
.......\.......\...\Debug
.......\.......\...\.....\AxInterop.AcroPDFLib.dll
.......\.......\...\.....\Interop.AcroPDFLib.dll
.......\.......\...\.....\SignPDF.exe
.......\.......\...\.....\SignPDF.exe.config
.......\.......\...\.....\SignPDF.pdb
.......\.......\...\.....\SignPDF.vshost.exe
.......\.......\...\.....\SignPDF.vshost.exe.config
.......\.......\...\.....\SignPDF.vshost.exe.manifest
.......\.......\Form1.cs
.......\.......\Form1.Designer.cs
.......\.......\Form1.resx
.......\.......\obj
.......\.......\...\Debug
.......\.......\...\.....\AxInterop.AcroPDFLib.dll
.......\.......\...\.....\DesignTimeResolveAssemblyReferences.cache
.......\.......\...\.....\DesignTimeResolveAssemblyReferencesInput.cache
.......\.......\...\.....\Interop.AcroPDFLib.dll
.......\.......\...\.....\SignPDF.csproj.FileListAbsolute.txt
.......\.......\...\.....\SignPDF.csproj.GenerateResource.Cache
.......\.......\...\.....\SignPDF.csproj.ResolveComReference.cache
.......\.......\...\.....\SignPDF.csprojResolveAssemblyReference.cache
.......\.......\...\.....\SignPDF.exe
.......\.......\...\.....\SignPDF.Form1.resources
.......\.......\...\.....\SignPDF.pdb
.......\.......\...\.....\SignPDF.Properties.Resources.resources
.......\.......\...\.....\TemporaryGeneratedFile_036C0B5B-1481-4323-8D20-8F5ADCB23D92.cs
.......\.......\...\.....\TemporaryGeneratedFile_5937a670-0e60-4077-877b-f7221da3dda1.cs
.......\.......\...\.....\TemporaryGeneratedFile_E7A71F73-0F8D-4B9B-B56E-8E70B10BC5D3.cs
.......\.......\...\.....\TempPE
.......\.......\Program.cs
.......\.......\Properties
.......\.......\..........\AssemblyInfo.cs
.......\.......\..........\Resources.Designer.cs
.......\.......\..........\Resources.resx
.......\.......\..........\Settings.Designer.cs
.......\.......\..........\Settings.settings
.......\.......\SignPDF.csproj