How to: Determine if a Directory Exists in Visual Basic
You can use the My.Computer.FileSystem.DirectoryExists Method to determine whether or not a specified directory exists.
The call to DirectoryExists requires FileIOPermission.
This method throws no exceptions.
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To determine if a directory exists
Use the My.Computer.FileSystem.DirectoryExists method, supplying the path, to determine whether or not the specified directory exists. The following example checks to determine whether or not the directory C:\backup\logs exists and checks its properties.
Dim logDirectoryProperties As System.IO.DirectoryInfo If My.Computer.FileSystem.DirectoryExists("C:\backup\logs") Then logDirectoryProperties = My.Computer.FileSystem.GetDirectoryInfo("C:\backup\logs") End If