Open browser window to designated default drive/directory

Have you ever wanted to open the browser window to a drive/directory of your own choice? Have you found the workspace.OpenFileDialog method too restrictive (i.e., the window is too small to see the directory names)? This code lets you open the Microsoft browser window to a specified location. It restricts the user to selecting a folder/file below a specified root drive/directory. It works by initially returning the selected directory name, then getting its parent folder, and so on, up the directory path until it gets to the root drive. Note: Nearly all other examples found on Notes-related sites suggest the use of the 'SHBrowseForFolder' API call for this functionality. The problem, however, is that there is little (if any) documentation to indicate how to get it to default to a specified default drive.

Sub Click(Source As Button)
'-- This script uses the shell.application 
object's BrowseForFolder.
'-- Properties in shell.application are 
different from the FSO.
'-- If the folder has files in it, getting the 
folder path is easy.
'-- If not, the method is circuitous.
'-- there are various options demonstrated 
in this script. The other script,
'-- BrowseFunction.vbs, contains one funtion 
to just return the path of selected item.
 Dim ShellApp, FolderObject, ParentFolderObject
 Dim strDirectoryPath As String, 
strParentFolderName As String
 Const HOME_DRIVE = "C:"
 On Error Goto ErrorHandler
 strDirectoryPath = ""
 Set ShellApp = CreateObject("Shell.Application")
' The &H4000 part of the line of code below 
allows for the displaying of files !
' Set FolderObject = ShellApp.browseforfolder
(Clng(0), "Select a file:", &H4000, HOME_DRIVE )
 Set FolderObject = ShellApp.browseforfolder
(Clng(0), "Select a directory:", 0, HOME_DRIVE )
'--get title of chosen folder.
 strDirectoryPath = FolderObject.Title
'--show msgbox with path of folder selected,
 if found:
 If Instr( strDirectoryPath, ":" ) > 0 Then
  strDirectoryPath = HOME_DRIVE
   Set ParentFolderObject = 
   strParentFolderName = 
   If Instr(strParentFolderName, ":") = 0 Then  
 '--it's a directory
    strDirectoryPath = strParentFolderName & "" 
& strDirectoryPath
   Else               '--it's a drive. 
extract root folder path (ex.: C: )
    strDirectoryPath = 
HOME_DRIVE & strDirectoryPath
    Exit Do
   End If
   Set FolderObject = ParentFolderObject
  Loop Until strParentFolderName = ""
 End If ' End of  - "If Instr( strDirectoryPath, ":" ) 
> 0 Then"
 Msgbox "Path of chosen folder:  
" & strDirectoryPath
 Set ParentFolderObject = Nothing
 Set FolderObject = Nothing
 Set ShellApp = Nothing
 Exit Sub
 Exit Sub
End Sub

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This was first published in April 2005

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