AW: aufruf verzögern
29.09.2005 09:06:13
Matthias
Hallo Lexika,
in ein Modul:
Option Explicit
'Diverse APIs deklarieren
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
'Einige Konstanten benennen
Private Const NORMAL_PRIORITY_CLASS As Long = &H20&
Private Const INFINITE As Long = -1&
Private Const WAIT_TIMEOUT As Long = 258&
'Einige Datentypen erstellen
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
'Diese Funktion führt einen Befehl (in CmdLine) aus.
'Dabei wird das sich öffnende Fenster unsichtbar gemacht.
'Diese Funktion wird erst beendet, wenn der Befehl
'vollständig abgearbeitet ist.
'Speicher reservieren
Dim uProc As PROCESS_INFORMATION
Dim uStart As STARTUPINFO
Dim lRetVal As Long
'Die Datentypen initialisieren
uStart.cb = Len(uStart)
uStart.wShowWindow = Abs(bShowApp)
uStart.dwFlags = 1
'Fenster erzeugen
lRetVal = CreateProcess(0&, cmdline, 0&, 0&, 1&, _
NORMAL_PRIORITY_CLASS, 0&, 0&, uStart, uProc)
If lRetVal = 0 Then
MsgBox "Starten der Anwendung ist fehlgeschlagen!", _
vbExclamation + vbOKOnly
ShellWait = False
Exit Function
End If
'Warten, bis Fenster beendet wurde
'Dabei das eigene Fenster aktualisieren
Do While WaitForSingleObject(uProc.hProcess, 10) = WAIT_TIMEOUT
DoEvents
Loop
'Wenn man solange warten will, bis die Anwendung beendet
'wird und nicht darauf achtet, dass die wartende Anwendung
'dabei absolut zum Stillstand kommt.
'lRetVal = WaitForSingleObject(uProc.hProcess, INFINITE)
'Fenster schließen
lRetVal = CloseHandle(uProc.hProcess)
'Rückgabewert setzen
ShellWait = (lRetVal <> 0)
End Function
Aufrufen einfach so:
ShellWait "C:\Neuer Ordner\1\zusammenfassen.bat", 1
Gruß Matthias