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TExplorerD4: a component by Pragma Systems
TExplorerD4
 

TExplorerD4 is a freeware component for Inprise Delphi 4.0 that embed a Microsoft Explorer 4.0 or earlier ActiveX and can control a Delphi application using HTML pages and Links. It's derived from the shareware version of TExplorerCommand for Delphi 3.0, actually in free download.

It can browse HTML pages, run ActiveX controls, run Java Script or VB Script and so on. And, this is the meaning of the component, it can inform your application when the user click on a HREF correctly formatted to be a command.

For example, this can be a correctly formatted command (don't click, it does not run outside the sample program):

http://pragma$exam$cmd/time$show

This command, if used in the example program, will show a timer in overlap of the banner part of this page. Note that the timer is a standard Text object, and a timer object change it's text property to the current time an date every second.

The OnCommand event send you the command name and the parameter part, as two strings. In the event case you can run every Delphi procedure or function.

In the example page you can find many samples of code that can be used with the TExplorerD4 component. With the expld4.zip file there is a sample program that show you the way the component can be used. In the FAQ page you can find some useful information, updated weekly.

If you download the component, remember that it only run if you have Microsoft Explorer 4.0x or 5.0x installed. Otherwise you will receive an OLE error.

In the properties, methods and event pages you can find the new component properties. There are no info regarding the WebBrowser ancestral component, info that you can find looking the Microsoft site.

In the info page you can find the shareware disclaimer and how send us the fee to have the source code of this component.