File list (Check if you may need any files):
AuthorAttribute.cs
bin
...\Release
Controls
........\OpenFileDialogEx.cs
........\OpenFileDialogEx.Designer.cs
........\OpenFileDialogEx.resx
CustomOpenFileDialog.csproj
CustomOpenFileDialog.sln
FormMain.cs
FormMain.Designer.cs
FormMain.resx
FormOpenFileDialog.cs
FormOpenFileDialog.Designer.cs
FormOpenFileDialog.resx
OS
..\Enums.cs
..\structs.cs
..\Win32.cs
Program.cs
Properties
..........\AssemblyInfo.cs
..........\Resources.Designer.cs
..........\Resources.resx
..........\Settings.Designer.cs
..........\Settings.settings