File list (Check if you may need any files):
TAPI
TAPI\TAPI
TAPI\TAPI.sln
TAPI\TAPI.suo
TAPI\TAPI\bin
TAPI\TAPI\bin\Debug
TAPI\TAPI\bin\Debug\Interop.TAPI3Lib.dll
TAPI\TAPI\bin\Debug\TAPI.exe
TAPI\TAPI\bin\Debug\TAPI.pdb
TAPI\TAPI\bin\Debug\TAPI.vshost.exe
TAPI\TAPI\bin\Debug\TAPI.vshost.exe.manifest
TAPI\TAPI\dlltapi.cs
TAPI\TAPI\Form1.cs
TAPI\TAPI\Form1.Designer.cs
TAPI\TAPI\Form1.resx
TAPI\TAPI\Interop.TAPI3Lib.dll
TAPI\TAPI\obj
TAPI\TAPI\obj\Debug
TAPI\TAPI\obj\Debug\ResolveAssemblyReference.cache
TAPI\TAPI\obj\Debug\TAPI.csproj.FileListAbsolute.txt
TAPI\TAPI\obj\Debug\TAPI.csproj.GenerateResource.Cache
TAPI\TAPI\obj\Debug\TAPI.exe
TAPI\TAPI\obj\Debug\TAPI.Form1.resources
TAPI\TAPI\obj\Debug\TAPI.pdb
TAPI\TAPI\obj\Debug\TAPI.Properties.Resources.resources
TAPI\TAPI\obj\Debug\TempPE
TAPI\TAPI\Program.cs
TAPI\TAPI\Properties
TAPI\TAPI\Properties\AssemblyInfo.cs
TAPI\TAPI\Properties\Resources.Designer.cs
TAPI\TAPI\Properties\Resources.resx
TAPI\TAPI\Properties\Settings.Designer.cs
TAPI\TAPI\Properties\Settings.settings
TAPI\TAPI\TAPI.csproj