This document provides a routine for opening documents from Visual Basic 6. It includes a public declaration to call the ShellExecute function from shell32.dll to open files. It also includes an openFile function that uses ShellExecute to open the specified file, with an option to set the window style. The function returns a boolean value to indicate if it opened successfully or if an error occurred.

1. Routine per aprire documenti da vb6 [Santi Caltabiano].txt
ROUTINE PER APRIRE/ESEGUIRE DOCUMENTI DA VB6
Public 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
' Apre documento
Public Function openFile(ByVal filename As String, Optional ByVal winStyle As
VbAppWinStyle = vbNormalFocus) As Boolean
If Not glo.FailOnError Then On Error GoTo ERRORE
' Visualizza l'email
ShellExecute 0, "open", Chr(34) & filename & Chr(34), vbNullString,
vbNullString, winStyle
openFile = True
Exit Function
ERRORE:
openFile = False
DetailError Me.Name, "openFile"
End Function
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