Question: The setup wizard gives the capability to the end user to change the directory into which the setup will copy the files. How can I prevent this? If the

Question: How can I determine the total time it takes for a set of threads to execute? Answer: When you time a set of threads, you generally want to know

Question: How can I pass or send a mousedown to a choice menu when a button is pressed? Answer: Sending an event to an AWT component is as simple as

Question: Does SQL have a function to get only the time–rather than getDate()–which gets the date and time, or a function to get the Unix time() time. (the one that

Question: I am trying to interface VBA with a C++ DLL. I am very new to C++ programming. I understand the declarations from the VBA side, but I am having

Question: I’d like to get a bitmap file (c:mypic.bmp) placed on a MS Word97 file (msfile1.doc) using Powerbuilder (6.5). I am interested in printing that file afterwards. Answer: The following

Question: I have written a videoshop program in C++. I need to be able to delete a video structure off the disk. At the moment, the user enters a video

Question: The new java.net.Authenticator class in JDK 1.2 seems to be the answer to generalized user-authentication. Why dogetPasswordAuthentication andrequestPasswordAuthentication both return PasswordAuthentication, butrequestPasswordAuthentication requires a security check? Answer: The getPasswordAuthentication

Question: Why do I have problems running some programs with Java 2? Answer: Many Java class libraries and programs written before Java 2 use a technique called obfuscation to make

Question: Is there any way to catch exceptions repeatedly, instead of just once? For example, when creating a Date object with a String, an IllegalArgumentException can begenerated and caught. In

Question: Is it possible to connect and disconnect a Microsoft phone dialer that calls my Internetservice provider from a VB program? Answer: It sure is, and VB makes it very

Question: I would like to know how I can add, remove, and see if an item is in the TreeView control. For example: Prism Pros 4/30/99 7:39AM 4/30/99 8:00AMMcFarley 4/30/99

Question: What happens in the Form Load? If I try to retrieve information from a database (using a DataControl and TextBoxes connected to the database), I can’t get the program

Question: In a program, I’m calling a function in a dll. The time before that function is finished can vary from a few seconds to an hour, depending on the

Question: How do I create an online help system to use in VB6? Answer: Try the HTML Help Workshop that ships with VB. It allows you to create a help

Question: When I try to register a DLL I created in VB6, I get the message that tells me the DLL is not a valid windows NT image. At the

Question: Is there a maximaum length of an SQL program? I have used the query designer in Visual Foxpro 3.0 with many lines of criteria. When I try to run

Question: I have a grid control on a form in Visual Foxpro. I want to keep it unbound and then later fill it with data. I set the recordsource property

Question: I am involved in a project the aim of which is to demonstrate the effectiveness of MMX for image manipulation. For this project I need to write some MMX

Question: We have a use counted object with addRef() and removeRef() functions. When the reference count gets to 0, we want the object to be deleted. Is { delete this;

Question: How can I handle in Windows an IRQ7 interrupt, generated by my own measurement device connected to parallel port? It was easy in DOS. Any generic code would be

An object is a contiguous region of memory storage. An lvalue (pronounced: L value) is an expression that refers to such an object. The original definition of lvalue referred to

Ever had a user accidentally create a query that resulted in a Cartesian product of your two largest tables? Of course, a badly written query uses up precious CPU and

Most nontrivial applications are packaged with “resource files,” which are nothing more than files used by the application for various purposes. Some examples of these resources include image (GIF, JPEG)

While the Visual InterDev 6 Scripting Object Model (SOM) is great for rapid development of Web sites, the SOM doesn’t support all HTML attributes. For instance, the SOM doesn’t support

VB6 offers a couple new string functions that work with string arrays. One of these new string functions, Join, concatenates all the items of an array into an individual string

It is now easy to create scripts using the functionality in T-SQL to automate the loading of data into SQL Server with the addition of the bulk insert command in

The Visual InterDev 6 Scripting Object Model provides the navigateURL method for navigating to another Web page based on an event such as a button click. Many people are stumped