'Función api que recupera un valor-dato de un archivo Ini
Private Declare Function GetPrivateProfileString Lib "kernel32" Alias "GetPrivateProfileStringA" (ByVal lpApplicationName As String, ByVal lpKeyName As String, ByVal lpDefault As String, ByVal lpReturnedString As String, ByVal nSize As Long, ByVal lpFileName As String) As Long
'Función api que Escribe un valor - dato en un archivo Ini
Private Declare Function WritePrivateProfileString Lib "kernel32" Alias "WritePrivateProfileStringA" (ByVal lpApplicationName As String, ByVal lpKeyName As String, ByVal lpString As String, ByVal lpFileName As String) As Long

Public Function Saveini(Path_INI As String, Title As String, Key As String, Valor As Variant) As String
 
    WritePrivateProfileString Title, Key, Valor, Path_INI
 
End Function

Public Function Openini(Path_INI As String, Title As String, Key As String, Default As Variant) As String
 
    Dim bufer As String * 256
    Dim Len_Value As Long
 
    Len_Value = GetPrivateProfileString(Title, Key, Default, bufer, Len(bufer), Path_INI)
         
    Openini = Left$(bufer, Len_Value)
 
End Function

Call Saveini(App.path & "\Archivo.ini", "Clave-unica-d-carpeta", "RutaOriginal", "D:\ORDEN_DATOS\A\CANTO")

Variable = Openini(App.path & "\Archivo.ini", textbox1.text, "RutaOriginal", "")