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Posted 24 Aug 2008

File Manager using C# and Multithreading

, 24 Aug 2008 CPOL
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It helps to maintains files in directories with dynamically generated names using company's naming convention, versions and release




This is a tool to manage your files related to uploads on the server. When any one uploads updated files on server, generally he/she gets the backup of old files from server and and also creates a copy of new updated files in any directory. He/she gives the name to these directories according to company's naming convention, corresponding version and release. This tool gives an easy way to automate this process. In this application; there is a settings section where user can set the naming convention, prefix for backup folders and prefix for folders which contains the copy of new uploaded files. After making these settings, the user can use these settings multiple times and the user can also change settings in the future. This application also allows user to drag and drop the files for fast working and all the saved directories are binded in a treeview using a separate thread, so it also supports multiprocessing upto some level. This application uses a Microsoft access file to maintain the track of version and release and uses quick sort to decide on the new version or release.

Using the Code

Just download and run the application. You can also make its setup. This application contains the following sections:

  • Form1 (which is the default form)
  • Settings (which is opened as a dialog box when user clicks on settings button on Form1)
  • MyMessage (this form is used to display messages)

In this application, I have given a way to set company's naming convention with few fields it can be added as per company's requirement using some modification in source code.

The following function is called from a separate thread to start to bind treeview:

private void Get_nodes()
            string strPath = glbStrPath;
            strFiles = Directory.GetDirectories(strPath);
            Guid strguid;
            string strKey;
            string[] strName;
            char ch = Convert.ToChar("\\");
            //foreach (string strFile in strFiles)
            // int.TryParse(,intIndex);
                strName = strPath.Split(ch);
                strguid = System.Guid.NewGuid();
                strKey = strName[strName.GetUpperBound(0)] + Convert.ToString(strguid);
                if (InvokeRequired)
                    BeginInvoke(new Onadd_Field(add_Field), new object[] 
			{ strKey, strName[strName.GetUpperBound(0)] });
                if (HasSubDirectory(strPath))
                    Get_nodes(strPath, treeFileExplorer.Nodes[strKey]);
                BeginInvoke(new ThreadFinishedEvent(ThreadFinished));

        delegate void ThreadFinishedEvent();
        void ThreadFinished()
            progressBar1.Visible = false;
            lblSearch.Visible = false;
            pnlProcess.Visible = false;

            progressBar1.Value = progressBar1.Minimum;

The following function is a recursive function which is initially called from called from Get_nodes() function:

private void Get_nodes(string strPath, System.Windows.Forms.TreeNode CurrentNode)
            strFiles = Directory.GetDirectories(strPath);
            Guid strguid;
            string strNodeKey;
            string[] strName;
            string[] childs;
            char ch = Convert.ToChar("\\");
            foreach (string strFile in strFiles)
                // int.TryParse(,intIndex);
                    childs = Directory.GetDirectories(strPath + "\\");
                    strName = strFile.Split(ch);
                    strguid = System.Guid.NewGuid();
                    strNodeKey = strName[strName.GetUpperBound(0)] + 
                    if (InvokeRequired)
                        BeginInvoke(new Onadd_Node(add_Node), new object[] 
		      { CurrentNode, strNodeKey, strName[strName.GetUpperBound(0)] });

                    if (HasSubDirectory(strFile))
                        Get_nodes(strFile, CurrentNode.Nodes[strNodeKey]);

The following functions are called from the above functions to add nodes in treeview:

private delegate void Onadd_Field(string key, string item);

        private void add_Field(string key, string item)
            treeFileExplorer.Nodes.Add(key, item);

        private delegate void Onadd_Node(System.Windows.Forms.TreeNode CurrentNode, 
		string key, string item);
        private void add_Node(System.Windows.Forms.TreeNode CurrentNode, 
		string key, string item)
            CurrentNode.Nodes.Add(key, item);

Points of Interest

When I was developing this application, I experienced that if we wish to use any windows form control in a separate thread, we have to use "Invoke" or "BeginInvoke" function. To call functions within "Invoke" or "BeginInvoke", we need to make delegate for the function which uses windows form control.


This is the first version of this application. Please give me feedback to make its next releases and versions. This is completely free and if any one goes through any other file manager of the same type, obviously those are paid.


This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)


About the Author

Er. Virendra
Software Developer (Senior) Photon Infotech
India India
I passed my B.Tech. in 2007 from SRMCEM, Lucknow and currently I am working as a software developer in .Net technology.

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Comments and Discussions

GeneralIssue has been fixed! Pin
Er. Virendra26-Aug-08 1:10
memberEr. Virendra26-Aug-08 1:10 
GeneralNice application, but unable to understand Pin
adithyadugyala25-Aug-08 22:15
memberadithyadugyala25-Aug-08 22:15 
GeneralRe: Nice application, but unable to understand Pin
Er. Virendra26-Aug-08 1:59
memberEr. Virendra26-Aug-08 1:59 
GeneralNot Able to run this application Pin
raju87825-Aug-08 19:16
memberraju87825-Aug-08 19:16 
hi dude, your Article is good , as u said that download and run this application , so i have downloaded and when i opened it in visual studio 2005 and debuged it for running the application , the aaplication is not running, its show following type of things , i am nott able to understand how to sort out this.

Directory Listing -- /FileManager/FileManager/bin/Debug/bin/


[To Parent Directory]

Tuesday, August 26, 2008 09:40 AM Debug

Version Information: ASP.NET Development Server

one more doubt when i opened ur downloaded appliaction i am not able to find any aspx page...

do mail me, i have given my mail id below,how to run this appliaction .

Thanks and Regards

GeneralRe: Not Able to run this application Pin
Er. Virendra26-Aug-08 2:00
memberEr. Virendra26-Aug-08 2:00 
GeneralNice work, but can't compile... Pin
thompsons25-Aug-08 7:01
memberthompsons25-Aug-08 7:01 
GeneralRe: Nice work, but can't compile... Pin
adithyadugyala25-Aug-08 22:32
memberadithyadugyala25-Aug-08 22:32 
GeneralRe: Nice work, but can't compile... Pin
Er. Virendra26-Aug-08 2:01
memberEr. Virendra26-Aug-08 2:01 

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