
Need a pause when calling an external program!
While I can't quote you the number of the article in the kb. I got this
code to call an external exe and wait until it's finished. This is for a
32 bit app, There are several articles on How to determine if a Shelled
Application is terminated in the kb.
in the Declarations add:
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
Private Type PROCESS_INFORMATION
hProcess As Long
hThread As Long
dwProcessID As Long
dwThreadID As Long
End Type
Private Declare Function WaitForSingleObject Lib "kernel32" (ByVal _
hHandle As Long, ByVal dwMilliseconds As Long) As Long
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 CloseHandle Lib "kernel32" (ByVal _
hObject As Long) As Long
Private Const NORMAL_PRIORITY_CLASS = &H20&
Private Const INFINITE = -1&
----------------------------------------------------------------------------
---------------------------
'cmdline$ = "c:\projects\import\import.exe"
Public Sub ExecCmd(cmdline$)
Dim proc As PROCESS_INFORMATION
Dim start As STARTUPINFO
Dim ret&
' Initialize the STARTUPINFO structure:
start.cb = Len(start)
' Start the shelled application:
ret& = CreateProcessA(0&, cmdline$, 0&, 0&, 1&, _
NORMAL_PRIORITY_CLASS, 0&, 0&, start, proc)
' Wait for the shelled application to finish:
ret& = WaitForSingleObject(proc.hProcess, INFINITE)
ret& = CloseHandle(proc.hProcess)
End Sub
Quote:
> Help! I can't seem to make the Confirm message box wait until the
> import.exe program has finished running. Is there any way to pause the
> execution until the external program is finished with its tasks?
> TIA! - Craig
> Here's my code:
> Private Sub Import_Click()
> On Error GoTo Err_Import_Click
> Dim Confirm, ProcID
> ProcID = Shell("c:\projects\import\import.exe", 1)
> ' **** Needs a PAUSE here! ****
> Confirm = MsgBox("Process This File into Database?", 1, "Confirm")
> If Confirm = vbYes Then
> DoCmd.TransferText acImportDelim, , "Import1",
> "c:\projects\import\info1.txt", -1
> Else: Exit Sub
> End If
> Exit_Import_Click:
> Exit Sub
> Err_Import_Click:
> MsgBox Err.Description
> Resume Exit_Import_Click
> End Sub