Функция позволяет запустить внешнюю программу и после окончания её выполнения продолжает выполнение процедуры Access.
Private Const STARTF_USESHOWWINDOW& = &H1
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 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
Декларируем:
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
Обращение к функции:
Pathname - полный путь к программе которой хотим передать управление
Public Sub ShellWait(Pathname As String, Optional WindowStyle As Long)
Dim proc As PROCESS_INFORMATION
Dim start As STARTUPINFO
Dim ret As Long
With start
.cb = Len(start)
If Not IsMissing(WindowStyle) Then
.dwFlags = STARTF_USESHOWWINDOW
.wShowWindow = WindowStyle
End If
End With
ret& = CreateProcessA(0&, Pathname, 0&, 0&, 1&, _
NORMAL_PRIORITY_CLASS, 0&, 0&, start, proc)
ret& = WaitForSingleObject(proc.hProcess, INFINITE)
ret& = CloseHandle(proc.hProcess)
End Sub