Não entendi muito bem, mais se for para chamar um programa eu faço assim:
'------------INICIO DA ROTINA P/ CHAMAR UM EXECUTAVEL--------
Option Explicit
Private Declare Function CreateProcessA Lib "kernel32" (ByVal lpApplicationName As Long, ByVal lpCommandLine As String, ByVal lpProcessAttributes As Long, ByVal lpThreadAttributes As Long, ByVal bInheritHandles As Long, ByVal dwCreationFlags As Long, ByVal lpEnvironment As Long, ByVal lpCurrentDirectory As Long, lpStartupInfo As STARTUPINFO, lpProcessInformation As PROCESS_INFORMATION) As Long
Private Declare Function WaitForSingleObject Lib "kernel32" (ByVal hHandle As Long, ByVal dwMilliseconds As Long) As Long
Private Declare Function CloseHandle Lib "kernel32" (ByVal hObject As Long) As Long
Private Const INFINITE = &HFFFF ' Infinite timeout
Private Const NORMAL_PRIORITY_CLASS = &H20
Private Type SECURITY_ATTRIBUTES
nLength As Long
lpSecurityDescriptor As Long
bInheritHandle As Long
End Type
Private Type PROCESS_INFORMATION
hProcess As Long
hThread As Long
dwProcessId As Long
dwThreadId As Long
End Type
Private Type STARTUPINFO
cb As Long
lpReserved As String
lpDesktop As String
lpTitle As String
dwX As Long
dwY As Long
dwXSize As Long
dwYSize As Long
dwXCountChars As Long
dwYCountChars As Long
dwFillAttribute As Long
dwFlags As Long
wShowWindow As Integer
cbReserved2 As Integer
lpReserved2 As Long
hStdInput As Long
hStdOutput As Long
hStdError As Long
End Type
'------------FIM DO INICIO DA ROTINA P/ CHAMAR UM EXECUTAVEL----
'------------CONTINUAÇÃO DA ROTINA CHAMAR UM EXECUTAVEL--------
Public Sub ExecuteAndWait(cmdline As String)
Dim Tmp1 As PROCESS_INFORMATION
Dim Tmp2 As STARTUPINFO
Dim Tmp3 As Long
Tmp2.cb = Len(Tmp2)
Tmp3 = CreateProcessA(0&, cmdline, 0&, 0&, 1&, NORMAL_PRIORITY_CLASS, 0&, 0&, Tmp2, Tmp1)
Tmp3 = WaitForSingleObject(Tmp1.hProcess, INFINITE)
Tmp3 = CloseHandle(Tmp1.hProcess)
End Sub
'--------FIM DA CONTINUAÇÃO DA ROTINA CHAMAR UM EXECUTAVEL--------
'----Coloque no evento CLICK do botão:-------
ExecuteAndWait (App.Path & "pastaomeprograma.exe")
Exit Sub
BOM É UMA TRANQUEIRA E TANTO

MAIS FUNCIONA MELHOR QUE O SHELL....rere
VOCÊ PODE ADAPITAR, TIPO TIRAR O App.Path E INDICAR O CAMINHO COMPLETO ETC..... FAÇA BOM PROVEITO.... QUALQUER COISA POSTA AE!!!!!
INTÉ...
