File list (Check if you may need any files):
Sample
......\HaiGrangOPCBrowseTree
......\.....................\OpcBrowseTreeBrowse
......\.....................\...................\BrowseTreeBrowse
......\.....................\...................\................\AssemblyInfo.cs
......\.....................\...................\................\bin
......\.....................\...................\................\...\Debug
......\.....................\...................\................\...\.....\BrowseTreeBrowse.exe
......\.....................\...................\................\...\.....\BrowseTreeBrowse.pdb
......\.....................\...................\................\...\.....\OpcNetApiChs.dll
......\.....................\...................\................\...\.....\OpcNetApiChs.pdb
......\.....................\...................\................\BrowseTreeBrowse.cs
......\.....................\...................\................\BrowseTreeBrowse.csproj
......\.....................\...................\................\BrowseTreeBrowse.csproj.user
......\.....................\...................\................\BrowseTreeBrowse.resx
......\.....................\...................\................\BrowseTreeBrowse.sln
......\.....................\...................\................\BrowseTreeBrowse.suo
......\.....................\OpcBrowseTreeConvertToTreeList
......\.....................\..............................\BrowseTreeConvertToTreeList
......\.....................\..............................\...........................\AssemblyInfo.cs
......\.....................\..............................\...........................\bin
......\.....................\..............................\...........................\...\Debug
......\.....................\..............................\...........................\...\.....\BrowseTreeConvertToTreeList.exe
......\.....................\..............................\...........................\...\.....\BrowseTreeConvertToTreeList.pdb
......\.....................\..............................\...........................\...\.....\OpcNetApiChs.dll
......\.....................\..............................\...........................\...\.....\OpcNetApiChs.pdb
......\.....................\..............................\...........................\BrowseTreeConvertToTreeList.cs
......\.....................\..............................\...........................\BrowseTreeConvertToTreeList.csproj
......\.....................\..............................\...........................\BrowseTreeConvertToTreeList.csproj.user
......\.....................\..............................\...........................\BrowseTreeConvertToTreeList.resx
......\.....................\..............................\...........................\BrowseTreeConvertToTreeList.sln
......\.....................\..............................\...........................\BrowseTreeConvertToTreeList.suo
......\HaiGrangOPCGroup
......\................\OpcGroupAddItemsSample
......\................\......................\AddItemsSample
......\................\......................\..............\AddItemsSample.csproj
......\................\......................\..............\AddItemsSample.csproj.user
......\................\......................\..............\AddItemsSample.sln
......\................\......................\..............\AddItemsSample.suo
......\................\......................\..............\AddItemsSampleForm.cs
......\................\......................\..............\AddItemsSampleForm.resx
......\................\......................\..............\AssemblyInfo.cs
......\................\......................\..............\bin
......\................\......................\..............\...\Debug
......\................\......................\..............\...\.....\AddItemsSample.exe
......\................\......................\..............\...\.....\AddItemsSample.pdb
......\................\......................\..............\...\.....\OpcNetApiChs.dll
......\......