Option Compare Database
Option Explicit
Private Declare Function FindWindow Lib "user32" Alias "FindWindowA" (ByVal lpClassName As String, ByVal lpWindowName As String) As Long
Private Declare Function PostMessage Lib "user32" Alias "PostMessageA" (ByVal hwnd As Long, ByVal wMsg As Long, ByVal wParam As Long, lParam As Any) As Long
Const WM_CLOSE = &H10

Function OtvoriFolder()
Dim ImeFoldera As String
ImeFoldera = "D:"

Shell "C:\WINDOWS\explorer.exe """ & ImeFoldera & "", vbNormalFocus

End Function

Function ZatvoriFolder()
Dim winHwnd As Long
Dim RetVal As Long
Dim ImeFoldera As String
ImeFoldera = "D:"
winHwnd = FindWindow(vbNullString, ImeFoldera)
If winHwnd <> 0 Then
PostMessage winHwnd, WM_CLOSE, 0&, 0&
Else
MsgBox "NIJE OTVOREN"
End If
End Function