When you write a screen saver in C and the Windows SDK, a static library (SCRNSAVE.lib) allows you to create custom dialogs to change and request the password. But in

The Trim function has a serious shortcoming: It handles only space characters?not all the usual white spaces such as tabs, carriage returns, and line feeds. Instead of the standard Trim

In a large app, or even a small one, you can use Property Let and Property Get to make sure necessary variables and subsystems are initialized. This code is from

When VB’s MsgBox function doesn’t provide everything you need, you have to create a message-box

Handling multiple command-line arguments has always been ugly in VB, especially when some of the arguments are quoted because they contain characters such as spaces. For example, if you want

You can move controls using Ctrl with the arrow keys, and you can change control size using Shift with the arrow keys. The controls move or resize according to the

When the NodeCheck event triggers, you receive as a parameter the node that was checked. Say you need to do some validation and uncheck the node when there’s an error.

Some forms are merely dialog boxes that show something to the user and sometimes get something in return. For example, you might have to create a form that displays a

A treeview control helps users navigate a large site because they can expand and collapse nodes to keep the view manageable. A good example is the Microsoft Developer Network Online

Question: Is there an easy function to get the Julian (Ordinal) date of a date? For example 015 from 01/15/2000. Answer: Try subtracting December 31st of the previous year from

Question: I recently rewrote my entire Web site using frames and VBScript to load the appropriate pages into the proper frame. My Web site looked fine in Internet Explorer, but

Question: To initialize a pointer after deleting it, should I assign a NULL to it or zero? Are they the same in C++? I know strictly speaking, I should assign

Question: How does Web development with Visual Basic 6.0 and Visual InterDev 6.0 differ? Which tool is better for Web development and why? Answer: Both products can help you arrive

Question: We are in the process of putting up two service portals, which may have business-to-consumer (B2C) transactions. We are confused as to which scripting language we should use. We

A question I seem to answer a lot comes from people trying to pass information through a query string. While Internet Explorer seems to be more forgiving and allows most

Question: Can you recommend a book on writing cross-browser DHTML? Answer: What book you should get depends on where you are now. If you’ve never touched JavaScript before, I recommend

Question: I have the need to monitor a mailbox. The mailbox is located on a local server, but the person accessing it is in another country. The person who needs

Question: Right now we have Exchange set to dial up an ISP and retrieve our mail. We are getting a direct connection to the Internet and I want to host

Question: Is it possible to dynamically sort a listbox (a select box with multiple rows)? Let’s say I want to sort the listbox according to different categories. Answer: Here’s how

Question: My page has two frames. The left-side frame has a tree and depending on what the user clicks, I set the location for the right-side frame. My problem is

Question: I have tried to set up Outlook 2000 on my laptop (it uses Windows 98) to connect via dialup to the Exchange server running on my Small Business Server

Question: I’m new to Exchange Administration and was wondering how to clean out my mailbox on the server. I’m showing a lot of messages even though I have all my

Sometimes you need to convert a certain datatype to its binary stream ofbytes. An easy way to do it is to create a union that has two members:the datatype in

The type of the most derived object to which an expression refers is said to be the dynamic type of that expression. For example, if p is declared as a

Another useful STL algorithm is replace(), which is defined in the standard header and has the following prototype: void replace (ForwardIterator start, ForwardIterator end, const T & old_value, const T

A value of type bool can be converted implicitly to a value of type int, with false becoming zero, and true becoming one. For example: bool b = false; int

The classic implementation of the swap algorithm looks like this: void swap (int & i, int & j) { int temp = i; i = j; j = temp; }

On 32-bit platforms, int and long usually occupy the same size. Programmers use these types interchangeably when they need a 32-bit integer. However, on 64-bit architectures, long is often represented

Merging two lists isn’t only a popular homework assignment; rather, this task is sometimes needed in real world programming as well. Fortunately, you don’t have to reinvent the wheel anymore.

Question: I have a datawindow with a few columns. I have written a menu through which I can sort the existing data alphabetically or by value. Whenever a new row