Option Explicit
 
Private Declare Function CreateProcess Lib "Kernel32" Alias _
                                            "CreateProcessA" ( _
    ByVal lpAppName As Long, _
    ByVal lpCmdLine As String, _
    ByVal lpProcAttr As Long, _
    ByVal lpThreadAttr As Long, _
    ByVal lpInheritedHandle As Long, _
    ByVal lpCreationFlags As Long, _
    ByVal lpEnv As Long, _
    ByVal lpCurDir As Long, _
    lpStartupInfo As STARTUPINFO, _
    lpProcessInfo 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 NORMAL_PRIORITY_CLASS = &H20&
Private Const INFINITE = -1&
 
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 Integer
    hStdInput As Long
    hStdOutput As Long
    hStdError As Long
End Type
 
Private Type PROCESS_INFORMATION
    hProcess As Long
    hThread As Long
    dwProcessID As Long
    dwThreadID As Long
End Type
 
Public Function ShellWait(CmdLine As String, Optional ByVal _
                        bShowApp As Boolean = False) As Boolean
 
    Dim uProc As PROCESS_INFORMATION
    Dim uStart As STARTUPINFO
    Dim lRetVal As Long
 
    uStart.cb = Len(uStart)
    uStart.wShowWindow = Abs(bShowApp)
    uStart.dwFlags = 1
 
    lRetVal = CreateProcess(0&, CmdLine, 0&, 0&, 1&, _
                            NORMAL_PRIORITY_CLASS, 0&, 0&, _
                            uStart, uProc)
 
    lRetVal = WaitForSingleObject(uProc.hProcess, INFINITE)
 
    lRetVal = CloseHandle(uProc.hProcess)
    lRetVal = CloseHandle(uProc.hThread)
 
    ShellWait = (lRetVal <> 0)
End Function