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The Latest

Changing RecordSource at Runtime

Question: At runtime, how do I change the query that I’m using with my data controls to be one a user selected? I don’t want to keep the same name

Accessing Properties

Question: How do you access a Public Property in a class module from an in-project module? For example:In a new project create one class module; “Class1” and one bas module;

Incompatible Version Errors

Question: I know that there is a fix needed in order to use VB 3.0 and Microsoft Access 2.0. I have downloaded the file COMLYR.EXE and have run it. I

Simulating Click Event

Question: How can I have a combo box “combo1” execute another combo boxs “combo2” procedure click ? Answer: Doing this action this way can have some messy side effects. I

Computing Future Value

Question: I am trying to make a financial calculator that will compute Future Value,but I don’t know how to write code for compounded interest. Answer: I believe you want to

Event-Oriented Programming

Question: What’s the meaning of “event oriented programing?” Answer: Basically, it means that you program everything as a response to an event, instead of a topdown program where the ordering

Expanding Functionality

Question: Our firm would like to integrate our Configuration Management tool into VB. I understand some vendors outside of Microsoft have suceeded in adding links to their product via a

Installing all Files Required

Question: I’ve created a small utility. The exe is only 27k, but vb40032.dll, mfc40.dll (for a custom control) and others make the setup zip over 1 meg. Can I leave

Using Tab Control

Question: I have an old DOS-Clipper app that I plan to upgrade to VB. The old app handles insurance claims. To enter a new claim, 4 screens of data are

Misalignment of Columns

Question: I try to align numeric numbers in columns (to be right-justified). Hwvr, some of the numbers don’t right-justify very well. In my example, most of these numbers hve 2

Removing Picture Property

Question: If I apply a picture to a Form’s Picture property, is there a way to clear it out at design time? (Rather than by using LoadPicture “” at run

Locking Box Against Input

Question: I want to disable a text box without having its text dimmed. I know of one way, which is put the controlinto a picture box and disable the picture

Starting Application Through File Manager

Question: What do I have to do to make my application respond to a file-kickstart (double-click)in file-manager? When I select and associate a specific file type with my application it

Determining Exit Method

Question: I am currently experimenting with VB 3.0. In version 1.0 common dialogs provided the information about which button was used to exit from the dialog. I want to know

Highlighting Text

Question: Is there an API function that will highlight a word in a textbox the way the find command does without using the clipboard? Answer: Set the SelStart property of

Creating a Status Bar

Question: How do I put a status bar at the bottom of an MDI parent form like in Word for Windows.Whenever I place a 3d panel on the form it

Playing WAV Files

Question: How can I play WAV or MID files through Visual Basic? Answer: Use the MSMCI.VBX, provided with VB/Win Pro 3.0. You can also declare and call the MM-functions manually:Declare

Pausing After Dialing

Question: How do you pause after dialing a phone number ? I want to be able to dial a pager number and then pause 3 -5 seconds before sending the

Getting all Filenames

Question: I am using VB4.0 Pro (16 bit) in WFWG and need to read entire directory of files, one after the other, without using the common dialog control. Answer: Look

Searching for Text

Question: Can you help to create code for searching a word in a text box Answer: Let’s say that Text1 is your search criteria (word) and Text2 is the text

Keeping a Window on Top

Question: Is there a method of keeping a window “on top” similar tothe Microsoft Office toolbar and various other applications.I need to be able to have a form iconized, then

Illegal SetFocus Call

Question: Sometimes when I call Text1.SetFocusit returns me an “Illegal function call” error. Any idea why? Answer: Normally, if the Form is not visible, you can’t call SetFocus to it.

Binding a Data Control to a Returned Recordset

Question: Is there a way to pass a recordset from an OLE server to anOLE client? I suspect so. Can we bind thepassed recordset to a client data control? Seems

Creating 3D Forms

Question: I have been successfully using the CTL3DV2.DLL to make 3D message boxes and common dialogs, but I have not been able to get it to work with standard VB

Two VB Instances, Only One Visible

Question: I am running my VB application on Novel 3.12 file server. When application is running it shows to 2 instances of programon file server console: for example if application

Cancelling a Window During Load

Question: Supposing that in Form_Load I determine that I wish to cancel the load of the form (so that nothing is in memory and nothing is displayed to the user).

Interpreting Command-Line Arguments

Question: How can I interpret the command line arguments for a .EXEcreated with VB ? Answer: The Command$ variable contains the arguments that were on the command line when a

Programming a Network-Enabled Application

Question: I have a application developed by VB 3.0(prof) and Access 1.1 withinVB. I use a lot of dynaset objects in the program. Now I want to transferit to a

Using DISTINCT Clause

Question: I have a Access table and I want to pull from that table one of each type and place it into a combo box using SQL. How can I

Controlling Size of Form

Question: How do I control the size of a form? Answer: Either set it at design time, or use the Width, Height, Top, and Left properties to set the form

My Nightmare, and an Apology

rom 1981 through 1986, I taught high school. I was fresh out of college (OK, a semester of engineering grad school which “didn’t take”), didn’t

Seeing the Silverlight

icrosoft has officially entered the space of rich interactive browser development with a new product called Silverlight. To better understand what Silverlight is you simply

Creating Web Sites with ASP.NET 2.0

rom basic, static HTML pages to totally data-driven and data-centric Web applications, the demands on a Web developer are much more complex and demanding than

Working with Nullable Types in C#

orking with value types was sometimes awkward in .NET 1.x, because they could cause serious problems in applications that retrieved data from database tables containing

Visualizing Data: Self-Documenting Ant files

I have always been fascinated by informational graphics. Mathematicians aside, most people find properly rendered information graphics easier to assimilate and quicker to understand than