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Launch file and associated program


How do I launch a file in its associated program?
The Shell statement unfortunately only supports launching an EXE file directly. If you want to be able to launch, i.e. Microsoft Word by calling a .DOC file only, you can make your VB application launch the associated program with the document using the following method:

Original Author: VB FAQ

API Declarations



#IF WIN32 THEN
Private Declare Function ShellExecute Lib "shell32.dll" Alias "ShellExecuteA" _
(ByVal hwnd As Long, ByVal lpOperation As String, ByVal lpFile As String, _
ByVal lpParameters As String, ByVal lpDirectory As String, ByVal nShowCmd _
As Long) As Long
Private Declare Function GetDesktopWindow Lib "user32" () As Long
#ELSE
Declare Function ShellExecute Lib "SHELL" (ByVal hwnd%, _
ByVal lpszOp$, ByVal lpszFile$, ByVal lpszParams$, _
ByVal lpszDir$, ByVal fsShowCmd%) As Integer
Declare Function GetDesktopWindow Lib "USER" () As Integer
#END IF
Private Const SW_SHOWNORMAL = 1

Code

Function StartDoc(DocName As String) As Long
  Dim Scr_hDC As Long
  Scr_hDC = GetDesktopWindow()
  StartDoc = ShellExecute(Scr_hDC, "Open", DocName, "", "C:", SW_SHOWNORMAL)
End Function
Private Sub Form_Click()
  Dim r As Long
  r = StartDoc("c:my documentswordmyletter.doc")
  Debug.Print "Return code from Startdoc: "; r
End Sub

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Posted: 2002-06-01
By: ArchiveBot
Viewed: 91 times

Categories

Visual Basic 6

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