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Thread: API Question

  1. #1

    Thread Starter
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    Hi guys...

    Im using a Kernal32 call to pause one of my programs and make it wait until another program finishes... I need to know an NT equivlant to do the same thing... NT 4 service pack 4...

    Thanks in advance
    Brooke
    -------------------------
    There is never only one right answer. That is the magic of programming.
    -------------------------

  2. #2
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    Talking

    Hmm, try lookin through Win23api.txt with Apiloader that is usually in devstudio\vb\win32api. You should find something. Hope it helps
    Chris

    [email protected]
    Windows XP RC2 B2526
    Visual Studio.Net Beta 2
    C++, VB, VB.Net, ASP, PHP

  3. #3
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    What function of kernel32.dll do you call?

  4. #4

    Thread Starter
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    Here is the pause program routine

    Private fs As New FileSystemObject
    Private txtFile As File
    Private ts As TextStream
    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 Declare Function GetExitCodeProcess Lib "kernel32" _
    (ByVal hProcess As Long, lpExitCode As Long) As Long

    Private Const NORMAL_PRIORITY_CLASS = &H20&
    Private Const INFINITE = -1&

    Public Tp_Cd As String


    Sub Main()
    'dimension variables to hold sql statements to sort the data by TP code

    Call sortTPcd

    End

    End Sub

    Function sortTPcd()

    Dim strTempTPCD, strInputFile, strOutputFile, strLine As String

    strInputFile = "H:\multipletp.txt"
    strOutputFile = "H:\inbProductActivity.txt"

    Tp_Cd = ""

    Open strInputFile For Binary As #1
    Open strOutputFile For Output As #2

    Do While Not EOF(1)

    On Error Resume Next
    Line Input #1, strLine ' read line into variable.

    Debug.Print strLine
    If Tp_Cd = "" Then
    Tp_Cd = Mid(strLine, 9, 20)
    Debug.Print Tp_Cd
    End If

    If Mid(strLine, 9, 20) = Tp_Cd Then

    Print #2, strLine 'write line to inbProductActivity.txt

    Else

    Close #2

    'pause program and run Prod_Act_Data.
    command1_Click

    Open strOutputFile For Output As #2

    Tp_Cd = Mid(strLine, 9, 20)
    Print #2, strLine 'write line(next tpcd) to inbProductActivity.txt

    End If

    Loop

    Close 'closes #1 and # 2

    'pause program and run Prod_Act_data for final TPCD
    command1_Click

    'Kill strInputFile

    MsgBox "Sort & Process 852 is Finished"

    End


    End Function
    Public Function ExecCmd(cmdline$)
    Dim proc As PROCESS_INFORMATION
    Dim start As STARTUPINFO

    ' 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)
    Call GetExitCodeProcess(proc.hProcess, ret&)
    Call CloseHandle(proc.hThread)
    Call CloseHandle(proc.hProcess)
    ExecCmd = ret&
    End Function

    Sub command1_Click()
    Dim retval As Long
    retval = ExecCmd("\\EDITEST\Inbound\Wake Fern Product_Activity_Data\Run\Prod_Act_Data.exe")
    'MsgBox "Process Finished, Exit Code " & retval

    End Sub


    -------------------------
    There is never only one right answer. That is the magic of programming.
    -------------------------

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