Solved

Using Win API function in VB

Posted on 2001-07-10
3
152 Views
Last Modified: 2012-06-27
Anybody know how to use Win API GetLastError function in visual basic.
0
Comment
Question by:azsoft
[X]
Welcome to Experts Exchange

Add your voice to the tech community where 5M+ people just like you are talking about what matters.

  • Help others & share knowledge
  • Earn cash & points
  • Learn & ask questions
3 Comments
 
LVL 4

Accepted Solution

by:
broadbent earned 50 total points
ID: 6269873
'Create a new project and add this code to Form1
Const FORMAT_MESSAGE_ALLOCATE_BUFFER = &H100
Const FORMAT_MESSAGE_FROM_SYSTEM = &H1000
Const LANG_NEUTRAL = &H0
Const SUBLANG_DEFAULT = &H1
Const ERROR_BAD_USERNAME = 2202&
Private Declare Function GetLastError Lib "kernel32" () As Long
Private Declare Sub SetLastError Lib "kernel32" (ByVal dwErrCode As Long)
Private Declare Function FormatMessage Lib "kernel32" Alias "FormatMessageA" (ByVal dwFlags As Long, lpSource As Any, ByVal dwMessageId As Long, ByVal dwLanguageId As Long, ByVal lpBuffer As String, ByVal nSize As Long, Arguments As Long) As Long
Private Sub Form_Load()
    'KPD-Team 1999
    'URL: http://www.allapi.net/
    'E-Mail: KPDTeam@Allapi.net
    Dim Buffer As String
    'Create a string buffer
    Buffer = Space(200)
    'Set the error number
    SetLastError ERROR_BAD_USERNAME
    'Format the message string
    FormatMessage FORMAT_MESSAGE_FROM_SYSTEM, ByVal 0&, GetLastError, LANG_NEUTRAL, Buffer, 200, ByVal 0&
    'Show the message
    MsgBox Buffer
End Sub

0
 
LVL 3

Expert Comment

by:Maxim10553
ID: 6269879
here is the syntax along with a function description and usage from VB
http://www.vbapi.com/ref/g/getlasterror.html
0
 

Expert Comment

by:costello
ID: 6400413
Force accepting broadbent's answer.

costello
Community Support Moderator @ Experts-Exchange
0

Featured Post

Free Tool: Port Scanner

Check which ports are open to the outside world. Helps make sure that your firewall rules are working as intended.

One of a set of tools we are providing to everyone as a way of saying thank you for being a part of the community.

Question has a verified solution.

If you are experiencing a similar issue, please ask a related question

I was working on a PowerPoint add-in the other day and a client asked me "can you implement a feature which processes a chart when it's pasted into a slide from another deck?". It got me wondering how to hook into built-in ribbon events in Office.
This article describes some techniques which will make your VBA or Visual Basic Classic code easier to understand and maintain, whether by you, your replacement, or another Experts-Exchange expert.
Get people started with the process of using Access VBA to control Outlook using automation, Microsoft Access can control other applications. An example is the ability to programmatically talk to Microsoft Outlook. Using automation, an Access applic…
Get people started with the process of using Access VBA to control Excel using automation, Microsoft Access can control other applications. An example is the ability to programmatically talk to Excel. Using automation, an Access application can laun…

707 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question