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I have a Delphi VCL application which I'm using to show some pictures and I would like to know if there is any possibility to transform it into a browser plugin (like firefox, google chrome etc ) in order to load it remotely, like a java applet.

RBA
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user1296444
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  • IIRC, a few years ago, I've created a small proof of concept which was actually displaying a Delphi form with a button(on click showed a message using ShowMessage) within webpage, while I can't remember the whole steps, I remember that it was fairly easy. –  Mar 27 '12 at 19:41
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    While `ActiveX` is mostly dead, because it was and is a trust/security nightmare, there exist no other sane alternatives that work in current browsers. Delphi is a native language not a web applet language. Some day, perhaps Delphi will support NaCL and NaCL will be supported in most or all browsers, but even then, you'd only be able to function on a PC on Windows. – Warren P Mar 27 '12 at 20:12
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    If your question is "can I directly compile a Delphi VCL application so it's a cross-browser compatible plugin?", the answer is no. The closest thing to it would be to create an ActiveForm (an ActiveX library containing an ActiveForm that is compatible with Internet Explorer *if* IE is configured to allow ActiveX controls). – Ken White Mar 27 '12 at 20:17
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    Using [DelphiWebScript](http://delphitools.info/dwscript/) and [Smart Mobile Studio](http://op4js.com/) it is possible to create a javascript html5 application with object pascal (delphi style). This could be run in chrome,safari,firefox etc. I'm not saying you could use the VCL straight off, but there is a similar component layer being introduced in Smart Mobile Studio. – LU RD Mar 27 '12 at 20:35
  • @LURD VCL doesn't run on Javascript, it runs on win32 – David Heffernan Mar 27 '12 at 22:49
  • Okay I thought of a really long shot. Oxygene/Prism (Delphi-like language for .net runtime) has been ported to run on the JVM. You could write a delphi-like app using delphi-like syntax but using whatever Java UI library (Swing, or other) that you choose, and make a web "applet". But I bet it would be easier, and more well documented to just write it IN JAVA. :-) – Warren P Mar 27 '12 at 22:55
  • @DavidHeffernan, I didn't say VCL was involved. The Smart Mobile Studio offers a RAD environment with components like Delphi VCL, still using Delphi syntax but when compiled produces javascript. – LU RD Mar 27 '12 at 22:58
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    @LURD question is specifically about VCL – David Heffernan Mar 27 '12 at 23:02
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    @DavidHeffernan, well that could be so, but the word `transform` caught my attention. Anyway that's why it was a comment, not an answer. – LU RD Mar 27 '12 at 23:07

4 Answers4

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You can use VirtualUI from CybeleSoft to run your Windows app in a browser. You still need to set up your backend server with database etc, and make sure that some operations are blocked - you don't want someone to browse through your server files ;-)

Jan Doggen
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for all of them the answer is NO. even for IE it is sometimes difficult...VCL applications means win32/64 development in general, browsers are more 'related' to web development. you can reconsider and try to resolve this by using an already existing platform which can be easily integrated into web browsers like Shockwave (yeah, I don't like to give links to wikipedia...) or another similar tool.

RBA
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There are options:

Community
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Kromster
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Take a look at the samples on Raudus. It might be what you are looking for. It will be interesting for you to read this about VCL compatible component set for the web.

avra
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