InvisibleApp.EnumDirectories method (Visio)

Returns an array naming the folders that Microsoft Visio would search, given a list of paths.

Syntax

expression.EnumDirectories (PathsString, NameArray())

expression A variable that represents an InvisibleApp object.

Parameters

Return value

String()

Remarks

Several Visio properties such as AddonPaths and TemplatePaths accept and receive a string interpreted to be a list of path (folder) names separated by semicolons. When the application looks for items in the named paths, it looks in the folders and all their subfolders.

The purpose of the EnumDirectories method is to accept a string such as one that the AddonPaths property might produce and return a list of the folders that the application enumerates when processing such a string.

If the EnumDirectories method succeeds, NameArray() returns a one-dimensional array of n strings indexed from 0 to n - 1. Each string is the fully qualified name of a folder that exists. The list names those folders designated in the path list that exist and all their subfolders.

The NameArray() parameter is an out parameter that is allocated by the EnumDirectories method, and ownership is passed back to the caller. The caller should eventually perform the SafeArrayDestroy procedure on the returned array. (Microsoft Visual Basic and Visual Basic for Applications automatically free the strings referenced by the array's entries.)

Example

The following example shows how to use the EnumDirectories method to print in the Immediate window a list of all the folders Visio searches for add-ons.

 
Public Sub EnumDirectories_Example() 
 
 Dim strDirectoryNames() As String 
 Dim intLowerBound As Integer 
 Dim intUpperBound As Integer 
 
 Application.EnumDirectories Application.AddonPaths, strDirectoryNames 
 
 intLowerBound = LBound(strDirectoryNames) 
 intUpperBound = UBound(strDirectoryNames) 
 
 While intLowerBound <= intUpperBound 
 Debug.Print strDirectoryNames(intLowerBound) 
 intLowerBound = intLowerBound + 1 
 Wend 
 
End Sub

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