by Daniel Biener (2 Submissions)
Category: VB function enhancement
Compatability: Visual Basic 3.0
Difficulty: Intermediate
Date Added: Wed 3rd February 2021
Rating: 
(4 Votes)
This function replaces VB's msgbox function and closes itself after the parameter provided number of seconds. The syntax and return values are exactly the same as msgbox except the first parameter is the number of seconds to display. Just add this code to a module (not a cls or frm) in your project and call ACmsgbox. Thanks to Sparq's submission here for help in writing this.
with the added parameter of
API DeclarationsPrivate Declare Function SetTimer Lib "user32" (ByVal hWnd As Long, ByVal nIDEvent As Long, ByVal uElapse As Long, ByVal lpTimerFunc As Long) As Long
Private Declare Function KillTimer Lib "user32" (ByVal hWnd As Long, ByVal nIDEvent As Long) As Long
Private Declare Function FindWindow Lib "user32" Alias "FindWindowA" (ByVal lpClassName As String, ByVal lpWindowName As String) As Long
Private Declare Function SetForegroundWindow Lib "user32" (ByVal hWnd As Long) As Long
Private Const NV_CLOSEMSGBOX As Long = &H5000&
Private sLastTitle As String
VBcodersPublic Function ACmsgbox(AutoCloseSeconds As Long, prompt As String, Optional buttons As Long, _
Optional title As String, Optional helpfile As String, _
Optional context As Long) As Long
sLastTitle = title
SetTimer Screen.ActiveForm.hWnd, NV_CLOSEMSGBOX, AutoCloseSeconds * 1000, AddressOf TimerProc
ACmsgbox = MsgBox(prompt, buttons, title, helpfile, context)
End Function
Private Sub TimerProc(ByVal hWnd As Long, ByVal uMsg As Long, ByVal idEvent As Long, ByVal dwTime As Long)
Dim hMessageBox As Long
KillTimer hWnd, idEvent
Select Case idEvent
Case NV_CLOSEMSGBOX
hMessageBox = FindWindow("#32770", sLastTitle)
If hMessageBox Then
Call SetForegroundWindow(hMessageBox)
SendKeys "{enter}"
End If
sLastTitle = vbNullString
End Select
End Sub
