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DevX - Software Development Resource

Exiting Program after Windows Close

Question: Just recently I noticed that if I close my app while it is minimized, the app seems to be left in memory and is still recognized by Windows as

DevX - Software Development Resource

Supported Graphics Formats

Question: What graphic file formats does VB support? Does it support the GIF format? Answer: Visual Basic supports the Windows Bitmap (.BMP), the Windows Icon (.ICO), and the Windows Metafile

DevX - Software Development Resource

Incorrect Number of Event Arguments

Question: I am getting the error: INCORRECT NUMBER OF EVENT PROCEDURE ARGUMENTS. This has been occuring ever since I created a control array of command buttons. I have to complete

DevX - Software Development Resource

Panel Controls Not Painting Correctly

Question: I have a 3D Panel on a form that fills in incrementally when certain operations are run. I expect that the panel should be visible when the form appears

DevX - Software Development Resource

Using Global Variables as Counters

Question: I am trying to put a counter in my program which will keep track of how many times a command button is pressed.I know it is simple but I

DevX - Software Development Resource

Errors Using Microsoft Word 6.0

Question: When I edit my .RTF file in Microsoft Word 6.0, the help compiler gives me an error saying “This application has violated system integrity due to an invalid fault

DevX - Software Development Resource

Data Access Errors

Question: I’ve developed an application using VB4.0, but I can’t distribute it because the installed application breaks on any reference to dbEngine object.In my machine the application runs perfectly, but

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Embedding Registration Information

Question: Is it possible to edit a VB3 executable at runtime, i.e. inserting Registered user name and serial number information into the executable so that it can come up when

DevX - Software Development Resource

Implementing Security

Question: I am looking for a easy way to implement security in a VB4 application with multiple users (100+). I would like to be able to enable/disable controls at login

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Quote Syntax Error

Question: I’m trying to delete a set of records in a table attached to a data control by using an SQL statement like the following: MergeRec.Data1.Database.Execute “DELETE Patient Visit WHERE

DevX - Software Development Resource

PEEKing and POKEing in VB 3.0

Question: How I peek and poke on Visual Basic 3.0, or is there a replacement available for the INP/OUT functions? Answer: In my File Archives area, I have a file

DevX - Software Development Resource

Parsing Input File

Question: I am developing a VB3 app. I want to update an ACCESS 2.0 table weekly, in code, with a text file that is down-loaded from a VM mainframe. I

DevX - Software Development Resource

Using Drawing Methods From DLL

Question: I wanted to create a front end GUI panel using VB. This panel would have command buttons, and a picture box. When the user clicks on a command button,

DevX - Software Development Resource

Comparing Date-typed Variables

Question: How do I compare dates in VB? Also, how do I store dates into Access? I can’tget them into the right format. Answer: For comparison of dates, look up

DevX - Software Development Resource

Building an Open File Dialog

Question: I am a beginner programmer with VB 3.0 Standard Edition. I am not very familiar with the Common Dialog VBX (CMDIALOG.VBX). I am designing a Recipe Book program and

DevX - Software Development Resource

Detecting the Cancel Button

Question: In my “Save As” dialog box (from CMDIALOG.VBX), my OK button and Cancel button both save work. How do I recognize when the userpresses the Cancel button? Answer: One

DevX - Software Development Resource

Showing as 3D

Question: I need a 3D bound text box control so I can avoid having to place standard text boxes in 3D panels for a chiseled effect. I have been unable

DevX - Software Development Resource

Using Seek Method

Question: I am currently migrating my VB/Access application to Microsoft SQL Server. However, the “SEEK” function in my old program does not work any more and I can not find

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Exiting and Restarting Windows

Question: I am currently writing and testing an installation program which will soon be distributed. During the this process, I edit the SYSTEM.INI file. Most Windows software willallow you to

DevX - Software Development Resource

Using Field Names With Spaces

Question: I have an established Access v2.0 database with fields intables named “Circuit ID”, for example. How can I use VB v3.0 to query this database without changing all references

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Creating a Login Window

Question: I have been attempting to write some code that acceptsinfo from text boxes labeled “Login” and “Password.”I then need to check the password up to x amount of timesbefore

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Painting as 3D

Question: How do I use 3D effects on message boxes and common dialogs? Answer: Here is the code you need, in the form of two simple functions. Please note that

DevX - Software Development Resource

Copying a File

Question: How do I write VB code to copy one file to another? Answer: You can either use the FileCopy Visual Basic command, or use the method outlined elsewhere in

DevX - Software Development Resource

Creating a Window With No Title Bar

Question: How do you control whether the window title bar is visible or not visible on each form when the application is running? Answer: If you set the caption to

DevX - Software Development Resource

Loading Bitmaps

Question: I am having trouble transferring a bitmap that I loaded withthe LoadBitmap call from a resource to a picturebox. Howdo I do that? Answer: The LoadBitmap call returns you

DevX - Software Development Resource

Communication Between Forms

Question: I have two forms. There is a combo box on Form1 and a list box on Form2. Form1 has functions to add and delete names from the combo box.

DevX - Software Development Resource

Getting Entries from INI Files

Question: I want to read the MSMAIL.INI file to get information for my program when it starts, and write information there when the program is terminated. I am looking at

DevX - Software Development Resource

Getting Windows Directory

Question: How do I determine the Windows directory? Answer: The API call to use is “GetWindowsDirectory”. The Declare statement is listed in the the Windows 3.1 API help and the

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FRX Files

Question: Could you (easily) please tell me what .FRX files are in VB?I’d be forever grateful. Answer: FRX Files are displayed in Windows 95 as Visual Basic Form Stash Files.

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Using Recordset Object

Question: I added records to a list box using the datacontrol. Now I would like to use the list1_dblclick procedure to access the recorddblclicked and use it. I know there