Using Drag and Drop in Delphi(Tutorial)

EBook Description: Due to the graphical nature of Windows the majority of operations can be performed solely with the mouse. One operation that is often useful is for the user to be able to drag an object from one position to another. Fortunately for us, Borland have made this facility easy to implement for the Delphi developer. The tutorial will show you how to do this, by explaining and providing sample code to drag items from one ListBox to another.

In this Delphi programming tutorial we will show you how to a create a new Delphi component the URL Label.

How to get operating system version information

The Windows API provides some version information that is common to all 32 bit Windows operating systems. Delphi's run time library (RTL) makes access to this information very straightforward. We will begin our exploration by seeing how to get the information from the Windows API.

How to call Delphi code from scripts running in a TWebBrowser

When writing programs that use the TWebBrowser control as part of the user interface I've sometimes needed to respond to user interaction with the control. The official way to do this is to extend the web browser's external object, and this is the technique we will use in this article.

How to call JavaScript functions in a TWebBrowser from Delphi

On some occasions when using a TWebBrowser I've needed to use Delphi to call JavaScript functions contained in the current document.

How to extract version information using the Windows API

The Windows API provides a method to extract version information from an executable file. The API is rather archane and some knowledge of how version information is stored in an executable file is helpful.

How to make a TWebBrowser become the active control when clicked

This article shows how to ensure the TWebBrowser control behaves like other controls by making it the active control when clicked.

How to set a component's default event handler

When you double click many components at design time Delphi creates an empty event handler for the default event. Sometimes you need to specify a different default event than that used by Delphi. Here's how

How to use the TListView OnCustomDrawXXX events

TListView's OnCustomDraw, OnCustomDrawItem and OnCustomDrawSubItems events are useful to customise the appearance on a list view control without having to handle all the painting yourself. This article shows how to use these events in a report style list view control.

How to integrate help files into the Delphi 3-7 IDE

Information on the changes that have to be made to Delphi's help files in order for your help files to be integrated with the Delphi help system.

ISAPI tutorial for Delphi developers

Delphi's Web-broker technology allows you to create four different types of web server applications: # ISAPI # NSAPI # CGI Standalones # Win-CGI

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