File list (Check if you may need any files):
.................\AcceptInviteAdvanced
.................\....................\AcceptInviteAdvanced.csproj
.................\....................\bin
.................\....................\...\Debug
.................\....................\obj
.................\....................\...\AcceptInviteAdvanced.csproj.FileList.txt
.................\....................\...\AcceptInviteAdvanced.csproj.FileListAbsolute.txt
.................\....................\...\Debug
.................\....................\...\.....\TempPE
.................\....................\Program.cs
.................\....................\Properties
.................\....................\..........\AssemblyInfo.cs
.................\CallControl1
.................\............\bin
.................\............\...\Debug
.................\............\CallControl1.csproj
.................\............\obj
.................\............\...\CallControl1.csproj.FileList.txt
.................\............\...\CallControl1.csproj.FileListAbsolute.txt
.................\............\...\Debug
.................\............\...\.....\TempPE
.................\............\Program.cs
.................\............\Properties
.................\............\..........\AssemblyInfo.cs
.................\CallControl2
.................\............\bin
.................\............\...\Debug
.................\............\CallControl2.csproj
.................\............\obj
.................\............\...\CallControl2.csproj.FileList.txt
.................\............\...\CallControl2.csproj.FileListAbsolute.txt
.................\............\...\Debug
.................\............\...\.....\TempPE
.................\............\Program.cs
.................\............\Properties
.................\............\..........\AssemblyInfo.cs
.................\CallHold
.................\........\AssemblyInfo.cs
.................\........\bin
.................\........\...\Debug
.................\........\CallHold.csproj
.................\........\CallHold.csproj.user
.................\........\Form1.cs
.................\........\Form1.resx
.................\........\obj
.................\........\...\CallHold.csproj.FileListAbsolute.txt
.................\........\...\Debug
.................\........\...\.....\CallHold.csproj.GenerateResource.Cache
.................\........\...\.....\CallHold.Form1.resources
.................\........\...\.....\TempPE
.................\CallTransfer
.................\............\AssemblyInfo.cs
.................\............\bin
.................\............\...\Debug
.................\............\CallTransfer.csproj
.................\............\CallTransfer.csproj.user
.................\............\Form1.cs
.................\............\Form1.resx
.................\............\obj
.................\............\...\CallTransfer.csproj.FileListAbsolute.txt
.................\............\...\Debug
.................\............\...\.....\CallTransfer.csproj.GenerateResource.Cache
.................\............\...\.....\CallTransfer.Form1.resources
.................\............\...\.....\TempPE
.................\Cancel
.................\......\bin
.................\......\...\Debug
.................\......\Cancel.csproj
.................\......\obj
.................\......\...\Cancel.csproj.FileList.txt
.................\......\...\Cancel.csproj.FileListAbsolute.txt
.................\......\...\Debug
.................\......\...\.....\TempPE
.................\......\Program.cs
.................\......\Properties
.................\......\..........\AssemblyInfo.cs
.................\ConferenceCall
.................\..............\bin
.................\..............\...\Debug
.................\..............\ConferenceCall.csproj
.................\..............\obj
.................\..............\...\ConferenceCal.csproj.FileList.txt
.................\..............\...\ConferenceCall.csproj.FileListAbsolute.txt
.................\..............\...\Debug
.................\..............\...\.....\TempPE
.................\.......