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How to Browse Network Folders using Folder Dialog Box Control ?

, 18 Sep 2007
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An article on how to browse network Folders using VB.NET using Folder Dialog box Control
Screenshot - app_UI.jpg

Screenshot - Browse_Folders.jpg

Introduction

In the Folder Browse dialog box, we can browse our required folder except Network Neighborhood as a root folder. To browse the Network folders using Folder Dialog box control is quite difficult. I have seen lots of solutions on the Internet and found several lines of code to achieve this thing. But here, I am showing you a few lines code to achieve the same thing.

Background

I was developing one distributed application and my requirement was to browse only the
Network folders. I searched the Internet for this problem and found that the folder dialog
box control does not directly support Network folders browsing like Desktop folder or
other folders. This article will help you to do this thing in an easy manner.

Using the Code

The code that I have written to browse Network folders is quite easy to understand. Here is the code.

Private Sub btnBrowse_Click(ByVal sender As System.Object, _
ByVal e As System.EventArgs) Handles btnBrowse.Click

    '====== Create folder dialog box object
    Dim objFolderDialog As New FolderBrowserDialog()
    '===== Pass object as Parameter and get Selected network folder
    txtPath.Text = GetNetworkFolders(objFolderDialog)
End Sub

''' <span class="code-SummaryComment"><summary></span>
''' This function will get the Folderdialog as parameter and return the 
''' Selected
''' Folders UNC path. 
''' Ex: <a href="%22%22file://server1/TestFolder'''%22%22">\\Server1\TestFolder
'''</a> <span class="code-SummaryComment"></summary></span>
''' <span class="code-SummaryComment"><param name="oFolderBrowserDialog"></param></span>
''' <span class="code-SummaryComment"><returns>it will return the Selected Folders UNC Path</returns></span>
''' <span class="code-SummaryComment"><remarks></remarks></span>

Public Shared Function GetNetworkFolders(ByVal oFolderBrowserDialog _
      As FolderBrowserDialog) As String
    '======= Get type of Folder Dialog bog
    Dim type As Type = oFolderBrowserDialog.[GetType]
    '======== Get Fieldinfo for rootfolder.
    Dim fieldInfo As Reflection.FieldInfo = type.GetField("rootFolder", _
    BindingFlags.NonPublic Or BindingFlags.Instance)
    '========= Now set the value for Folder Dialog using DirectCast
    '=== 18 = Network Neighborhood is the root
    fieldInfo.SetValue(oFolderBrowserDialog,_
                      DirectCast(18, Environment.SpecialFolder))
    '==== if user click on Ok, then it will return the selected folder.
    '===== otherwise return the blank string.
    If oFolderBrowserDialog.ShowDialog() = DialogResult.OK Then
        Return oFolderBrowserDialog.SelectedPath
    Else
        Return ""
    End If
End Function

fieldInfo.SetValue(oFolderBrowserDialog, DirectCast(18, Environment.SpecialFolder))here you can also set other folder browsers constant.

Here is a list of constants:

Constant Description
0 Desktop folder
1 Internet Explorer
2 Programs folder of the Start menu
3 Control Panel folder
4 Printers folder
5 Documents folder of the Start menu
6 Favorites folder of the Start menu
7 Startup folder of the Start menu
8 Recent folder
9 SendTo folder
10 Recycle Bin folder
11 Start menu folder
16 Desktop (physical) folder
17 My Computer
18 Network Neighborhood
19 Nethood folder
20 Fonts folder
21 Templates folder

Summary

In this way, you can browse Network folders. Let me know if anyone has a problem while using the attached code.

History

  • 18th September, 2007: Initial post

License

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

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About the Author

Jatin Prajapati
Team Leader
India India
Jatin is Working in .Net Technology Since 2006. He has Completed Master of Science Degree in Information Technology. He Likes to learn Cutting edge technologies. He has good Skills in Asp.net, Vb.net,C#.Net, Crystal Reports,GDI+, Ajax, WCF, Silverlight SQL Server,IIS Admin,TFA ,Application Architecture Designing.
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Comments and Discussions

 
QuestionNon shared folder acees is allowed in win xp machine Pinmembersagar_25312-Aug-14 21:14 
QuestionThe same path selection problem with phone (portable devices) connected through USB cable [modified] PinmemberMember 1100720812-Aug-14 20:34 
SuggestionSame idea in C# PinmemberDarkangel8616-Oct-12 5:19 
GeneralMy vote of 4 PinmemberYas Barrientos8-Oct-11 10:01 
QuestionAny way to enumerate network shares? Pinmemberdirigo27-Jul-09 10:54 
GeneralWorks! (C# Version) Pinmemberjp2code20-Jul-09 8:01 
GeneralRe: Works! (C# Version) Pinmembertpemc9-Oct-09 8:21 
GeneralRe: Works! (C# Version) Pinmemberjp2code9-Oct-09 9:22 
GeneralRe: Works! (C# Version) Pinmembertpemc9-Oct-09 13:08 
GeneralRe: Works! (C# Version) Pinmemberjp2code10-Oct-09 7:53 
GeneralC# version Pinmemberallothernamesaretaken25-Mar-09 20:48 
GeneralRe: C# version PinmemberMarMirK14-Jul-09 9:31 
QuestionHow to Browse Network Folders using Folder Dialog Box Control ? PinmemberAnna Tanhueco21-Aug-08 21:46 
AnswerRe: How to Browse Network Folders using Folder Dialog Box Control ? PinmemberchrisgIT4-Dec-11 7:45 
GeneralDisplay Share folders only for local Machine Pinmemberharpal shergill24-Apr-08 3:46 
GeneralRe: Display Share folders only for local Machine Pinmemberjmcc2k19-Nov-08 22:21 
Questionis there possible to get the Shared folder path? Pinmembermy4color20-Mar-08 20:00 
AnswerRe: is there possible to get the Shared folder path? PinmemberJatin Prajapati22-Mar-08 5:11 
GeneralRe: is there possible to get the Shared folder path? Pinmembermy4color23-Mar-08 19:14 
QuestionBrowsing the Folder Dialog Box in Web Application Pinmemberdardnaho3-Feb-08 17:37 
GeneralRe: Browsing the Folder Dialog Box in Web Application PinmemberJatin Prajapati17-Feb-08 22:53 
GeneralRe: Browsing the Folder Dialog Box in Web Application Pinmemberdardnaho18-Feb-08 20:55 
GeneralRe: Browsing the Folder Dialog Box in Web Application PinmemberJatin Prajapati20-Feb-08 19:09 
GeneralRe: Browsing the Folder Dialog Box in Web Application Pinmemberdardnaho3-Mar-08 1:07 
QuestionDirectCast is frustrating me PinmemberWarrington_Minge25-Nov-07 13:02 
QuestionJust Select the Computer PinmemberMr. Jiggs11-Oct-07 9:09 
AnswerRe: Just Select the Computer PinmemberJatin Prajapati11-Oct-07 21:51 
QuestionRe: Just Select the Computer PinmemberMr. Jiggs11-Oct-07 23:50 
AnswerRe: Just Select the Computer PinmemberJatin Prajapati12-Oct-07 2:53 
AnswerRe: Just Select the Computer PinmemberMr. Jiggs12-Oct-07 3:16 
GeneralRe: Just Select the Computer PinmemberMr. Jiggs18-Oct-07 10:14 
QuestionAre the numbers documented? PinmemberHei-Tech1-Oct-07 4:53 
AnswerRe: Are the numbers documented? PinmemberJatin Prajapati1-Oct-07 5:09 
AnswerRe: Are the numbers documented? PinmemberHei-Tech1-Oct-07 5:18 
QuestionCombining 2 Spetial Folders ?? Pinmemberitais1701E27-Sep-07 12:29 
AnswerRe: Combining 2 Spetial Folders ?? [modified] PinmemberJatin Prajapati27-Sep-07 20:22 
GeneralRe: Combining 2 Spetial Folders ?? Pinmemberitais1701E28-Sep-07 3:37 
GeneralRe: Combining 2 Spetial Folders ?? PinmemberJatin Prajapati28-Sep-07 5:16 
QuestionHow can this be achieved in a browser? PinmemberRobNagel27-Sep-07 3:11 
AnswerRe: How can this be achieved in a browser? PinmemberJatin Prajapati27-Sep-07 3:22 
GeneralRe: How can this be achieved in a browser? PinmemberRobNagel27-Sep-07 3:35 
GeneralRe: How can this be achieved in a browser? PinmemberJatin Prajapati27-Sep-07 7:06 
GeneralRe: How can this be achieved in a browser? PinmemberRobNagel27-Sep-07 23:25 
GeneralRe: How can this be achieved in a browser? PinmemberJatin Prajapati28-Sep-07 1:10 
GeneralNetwork folder PinmemberPerora18-Sep-07 7:07 
GeneralRe: Network folder PinmemberJatin Prajapati18-Sep-07 7:09 
GeneralRe: Network folder PinmemberPerora18-Sep-07 7:36 
GeneralRe: Network folder PinmemberJatin Prajapati18-Sep-07 7:43 
GeneralRe: Network folder PinmemberPerora18-Sep-07 23:59 
QuestionRe: Network folder PinmemberSousaxpt21-Nov-07 1:08 

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