File list (Check if you may need any files):
DataGridViewDataGridViewColumn
..............................\DataGridViewDataGridViewColumn
..............................\..............................\bin
..............................\..............................\...\Debug
..............................\..............................\...\.....\CustomDataGridViewColumn.exe
..............................\..............................\...\.....\CustomDataGridViewColumn.pdb
..............................\..............................\...\.....\CustomDataGridViewColumn.vshost.exe
..............................\..............................\DataGridViewDataGridViewColumn.csproj
..............................\..............................\DataGridViewListViewColumn.cs
..............................\..............................\Form1.cs
..............................\..............................\Form1.resx
..............................\..............................\Form2.cs
..............................\..............................\Form2.Designer.cs
..............................\..............................\Form2.resx
..............................\..............................\ListViewComboBox.cs
..............................\..............................\ListViewComboBox.resx
..............................\..............................\ListViewComboBoxPopup.cs
..............................\..............................\ListViewComboBoxPopup.resx
..............................\..............................\obj
..............................\..............................\...\Debug
..............................\..............................\...\.....\CustomDataGridViewColumn.csproj.FileListAbsolute.txt
..............................\..............................\...\.....\CustomDataGridViewColumn.csproj.GenerateResource.Cache
..............................\..............................\...\.....\CustomDataGridViewColumn.exe
..............................\..............................\...\.....\CustomDataGridViewColumn.Form1.resources
..............................\..............................\...\.....\CustomDataGridViewColumn.Form2.resources
..............................\..............................\...\.....\CustomDataGridViewColumn.ListViewComboBox.resources
..............................\..............................\...\.....\CustomDataGridViewColumn.ListViewComboBoxPopup.resources
..............................\..............................\...\.....\CustomDataGridViewColumn.pdb
..............................\..............................\...\.....\CustomDataGridViewColumn.Properties.Resources.resources
..............................\..............................\...\.....\DataGridViewDataGridViewColumn.csproj.FileListAbsolute.txt
..............................\..............................\...\.....\DataGridViewDataGridViewColumn.csproj.GenerateResource.Cache
..............................\..............................\...\.....\Refactor
..............................\..............................\...\.....\TempPE
..............................\..............................\Program.cs
..............................\..............................\Properties
..............................\..............................\..........\AssemblyInfo.cs
..............................\..............................\..........\Resources.Designer.cs
..............................\..............................\..........\Resources.resx
..............................\..............................\..........\Settings.Designer.cs
..............................\..............................\..........\Settings.settings
..............................\DataGridViewDataGridViewColumn.sln
..............................\DataGridViewDataGridViewColumn.suo