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The Latest

How do I make my Delphi programs go to sleep?

Question: How do I make my Delphi programs go to sleep? Answer: Note:Since the following was written, Delphi 2.0 has added a Sleep command. The following code can be used

Highlighting/Making Bold Button Text

Question: How do I highlight or make bold the text in a button or a list? Answer: Java Buttons, Lists, Labels, TextAreas, Canvases, etc, are all subclasses ofthe Java Component

Getting Rid of clipRect for paint()

Question: When paint() iscalled, the clipRect of the Graphics obj may already be set to somethingsmaller than the full drawable region of the object (if, for instance, it’sa partial window-manager

MoveFile command (Delphi 32)

Question: The MoveFile command does not work for me with some filenames. An example is as follows :MoveFile(‘C:CIPLINCOMING199702110408440000000000.SAV’, ‘C:CIPLARCHIVE’);yet, if I try to move a file called ‘test.sav’ with the

Creating Windows without the VCL.

Question: I have been experimenting in trying to create windows without the VCL using the WinAPI functions CreateWindow and CreateWindowEx and WNDCLASS and WNDCLASSEX structured but it never create the

Multithreading

Question: Is there a way for delphi 1.0 to have some kind of multithreading (enabling the user to do something else while waiting for a report beinggenerated or printed)? Answer:

Setting up Paradox Tables on a Network

Question: I’ve created a multi-user application in Delphi that accesses Paradox tables. But I’m having a problem setting them up to run successfully on a network. Answer: A Short StoryHere’s

Conversion of a non-OO programmer to Delphi

Question: I have an expert C-programming background. Now that I want to OOP I find myself frustrated with learning Delphi and the paradigm shift to OOP at the same time.

Drag and Drop for List Boxes

Question: How do I implement drag and drop between two list boxes on a form? Answer: Dragging items from one list box and dropping them into another is, with Delphi,

TDBGrid flickering

Question: I’ve seen several shareware descendants of TDBGrid that don’t flicker when you move through the associated table.How do I get rid of the flickering in TDBGrid when you hold

Creating a LIST_SELECT Event

Question: How do I create a LIST_SELECT event? Specifically, what should I put in the fields of the statement: Event anevent = new Event(mylst, event.when, event.LIST_SELECT, ?, ? event.key, event.modifiers,?)

Changing Button Captions

Question: How do you change a button’s caption after it is created? Answer: Java’s Button class defines two methods for getting and setting a button’s caption. They are getLabel() and

Can I do a function like the macro in Clipper?

Question: Can I do the function which is like the macro in Clipper? For Example, Pass the (X*(Y+Z)) string to it and return the answer. Answer: I don’t see why

How do I copy a file in Delphi?

Question: How do I copy a file in Delphi? Answer: H3>Reminiscing on Days Gone By…Back in the old DOS days, we took for granted copying a file from one place

TIniFile’s Hidden Limitation

Question: I have an INI file that is approximately 20K with all entries in one section. If I use TIniFile’s ReadSection method, only part of the section gets loaded. Why?

Creating Forms in Shapes Other than Rectangles

Question: Is it possible to create forms with shapes other than the standard rectangular shape in Windows? Answer: Sometimes it’s just not enough to write applications that have the same

Running Java on Non-network Local PC

Question: Can a Java applet or executable run locally on a PC if the PC is not connected to a network? Example: I bring up my home page and download

How can I convert numbers to hexadecimal strings?

Question: How can I convert numbers to hexadecimal strings? Answer: Although it was not mentioned in the original documentation forJavaScript, the toString method has been available forconverting integers into strings

Can I control the position of new browser windows?

Question: How can I control the position of new browser windows createdwith the window . open method? Answer: Although JavaScript’s window . open method makes itpossible to automatically open new

Java Workshop and Appletviewer Runtime Errors

Question: When I try to run the appletviewer in DOS or try to run the JWS(Java Workshop) under Windows 95, it dumps a stack and gives me the following messages.

Tables in Borland Database Engine/Delphi

Question: When you open a table in both the Database Desktopand a self-written Delphi app, and you post a record in your own app, the changes are reflected automatically in

Implementing the C enum Keyword

Question: I’m porting my C code to Java and would like to know how I would implement the C enum keyword to Java. Answer: There is no convenient mechanism for

How can I create JavaScript enhanced web pages?

Question: I’ve been poking around the net and have seen several development environments for creating Java applets/applications. What software do I need to create JavaScripts that I can use on

Disabling Netscape Toolbar Functions

Question: Is there any way with HTML, JavaScript, Javaor whatever to disable the “Back” and “Forward” buttons in the Netscape toolbar? As content on the Web enters the realm of

Printing from Applets

Question: I am trying to construct an applet that accepts data from the user and performs several calculations on that data.I would like to give the capability to print out

Guilty Pleasures and LINQ

still travel more than I’d like, although the toll has decreased by at least 50 percent over the past few years. I used to read

Coders Anonymous?

ow many times have you sat at the computer, with a need to visit the, erm, “reading room,” and thought, “Just one more minute, I

To Iterate Is Human, to Range Is Divine

ost Standard Library algorithms operate on sequences whose boundaries are designated by a pair of iterators: one iterator marks the beginning of the sequence and