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DevX - Software Development Resource

Where Class IDs Come From

Question: I’ve just spent a useless morning surfing trying to find out where the CLASSID parameter of a VBSCRIPT OBJECT tag comes from. The most useful documentation said it comes

DevX - Software Development Resource

Accessing the Communications Port

Question: How can VBScript make use of the Comm Port? Answer: VBScript cannot directly access the communications port. However, you may be able to add a communications control to your

DevX - Software Development Resource

Popup Menus with Graphics

Question: Is it possible to add any type of picture to a popup window or menu screen? Answer: The standard menu control does not support adding pictures. However, you might

DevX - Software Development Resource

Passing Controls to Subroutines/Functions

Question: I am trying to pass a control as an object to a global sub to change the controls properties.How do you Set the parameter object as the controlwhen passing

DevX - Software Development Resource

Using Hidden Fields to Pass Data

Question: In HTML, I am using the FORM Tags to capture input and SUBMIT to a CGI Program. The server program captures all INPUT Tags and their VALUE. I want

DevX - Software Development Resource

Detecting Function Key Presses in Text Boxes

Question: I am looking for some kind of method to capturefunction-keys while positioned on a Web-page. To be more specific: I would like to capture eg. F3 when the cursor

DevX - Software Development Resource

InternetExplorer Object

Question: My problem arises due to thehelp file in ActiveX describing a control called ‘InternetExplorer’, howeverthe control box in ActiveX does not contain that object. Have I missed something that

DevX - Software Development Resource

Adding Items to a Combo Box/List Box

Question: I’m having problems populating both types of list boxes with data. The help file say to use the AddItembut doesn’t give any examples. Answer: Assuming your combo box/list box

DevX - Software Development Resource

Using VBScript Off the Internet

Question: Where can I find an example on using VBScriptfor a non-internet, non-html application. MS saysVBScript can also be used as a general purposelanguage for any application. I look for

DevX - Software Development Resource

Including VBScript in Every Page

Question: Is there a way to share VBScript code between different Web pages? Answer: The best way to do this is to use a feature that may or may not

DevX - Software Development Resource

Counting Lines in RichTextBox

Question: I want to develop a word-processor with VB 4.0 and the RichTextBox. I’ve got all the functions like bold, italic etc. but I’m missing a function to count the

DevX - Software Development Resource

Using Rnd Function

Question: Is there any way I can have a % chance in random events. (say you click on a button and you have a 30% chance of it doing one

DevX - Software Development Resource

Varying Length Dynamically

Question: I know VB insists on a _constant_ for the array subscript. Has anyone found a way around this? I would like to set an array length equal to the

DevX - Software Development Resource

Putting Buttons on PictureBox

Question: My question is that I’m trying to put a command buttons in a picture box on MDI form (it’s a text editor). But it always keeps on givin’ me

DevX - Software Development Resource

Putting a ProgressBar on a StatusBar

Question: Both the ProgressBar and the StatusBar appear to be welcome additions to the VB controls set. But, while I have had to create each of the various built-in StatusBar

DevX - Software Development Resource

Changing Database Structure

Question: I’m using VB 3.0 to work with databases in the Jet 2.0 format. I expect it will be necessary to add new fields to the database sometime in the

DevX - Software Development Resource

Editing Forms Directly

Question: I want to present screens of text in an application. I plan to use label controls and would like to cut and paste the text from my word processor

DevX - Software Development Resource

Controlling Netscape

Question: I’m trying to write an application that loads URLs into the user’s web browser, but it’s based on the shell function and fires up a second Netscape window when

DevX - Software Development Resource

Calling a Form’s Subroutines

Question: How can I call another Form’s subroutine? Answer: Under VB3 you can’t call another form’s subroutine. If you need to do this, put the sub into a .BAS module.

DevX - Software Development Resource

Setting Windows Wallpaper

Question: I am trying to use the API call SystemParametersInfo to change the Windows wallpaper. It works great in a Borland C program I wrote, but doesn’t work in VB.

DevX - Software Development Resource

Disconnecting a Network Drive

Question: I understand how to connect a network drive using the WnetAddConnection API function; however, I do not know how to disconnect the network drive. How do I go about

DevX - Software Development Resource

Network Logon/Logoff Functions

Question: I am trying to create a VB program to log a useronto a workgroup (from a windows for workgroupsclient) and then map local drives and devices toa network resource.

DevX - Software Development Resource

Forcing List to Drop

Question: I have loaded a ComboBox with several items. When running, if I click on the down arrow the items will display in the drop down list box OK and

DevX - Software Development Resource

Printing Records

Question: I am writing a database program and I am using the JET DATABASE ENGINEI would like to know how to print records out of the DATABASE to my printer.

DevX - Software Development Resource

Passing to Functions

Question: Just started crunching similar code into functions. How do you pass an arguement to a function that references a control? It’s prob really simple eh? Answer: Here is an

DevX - Software Development Resource

Displaying Formatted Data

Question: I have defined a field as Double in my Table to store prices. Then I bound my database to a grid.I would like to display the contents of the

DevX - Software Development Resource

Multiple Simultaneous Table Inserts

Question: I am programming a multiple table database and can’t figure out to link each table together so that when a person is posting data to one table that the

DevX - Software Development Resource

Action was Cancelled Error

Question: I am developing a small database using the engine supplied with VB 4.0 Pro. When I try to update an entry, I get the following run-time error: “Run-Time Error

DevX - Software Development Resource

Creating Generic ToolTips Module

Question: I want to write a form module that is generic, that will give tooltips ability to any VB program. I need it to intercept mousemove messages so that it

DevX - Software Development Resource

Declaring DLL Functions

Question: A colleague wants to create a DLL using Borland C++ to callfrom Visual Basic 3.0 but she keeps getting an error message”Sub or Function Not Defined”.Do you know of