SciBit: OnDemand Install

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OnDemand Install

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Version	1.0.0
Price	$49

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Shareware:
Delphi (1MB Install)

Demos
DemoApp (1MB Install)

Registered
(These downloads are for registered customers only and requires a registration password)
Delphi (1MB Install)

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If you purchase the suite, will you receive full source code, free minor version upgrades and free email support

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Borland • MSI

On-Demand Installation has been developed to enable you, the developer, to put that final professional touch to your product/project. ODInstall enables you to release your application with an on-demand feature installation with a single line of code. OnDemandInstall is fully Microsoft Windows MSI API compatible, and certified for version 1.0 of the API to enable you maximum compatibility with end-user platforms. ODInstall has been developed as a native VCL for Delphi 5/6/7/9(2005)/10(2006), and besides the MSI.dll (which your installation used to install your application onto the end-user machine), will you therefore need no additional libraries or external files. This means that this OnDemand Install functionality is compatible with any operating system running Windows Installer version 1.0, which includes any machine running internet explorer 5+, ex. Windows 95/98/NT/2000/Me/XP and 2003.

The easiest way to see exactly what TODInstall can do for you is to download and install the DemoApp. This is a complete dummy application with three MSI installation features. Only the first feature is actually installed, while the last two are advertised (i.e. install on first usage). The first feature contains a small Delphi application which has a button to display a RTF readme file which is located in the second, as of yet, to be installed feature. The moment you click to see the helpfile, will TODInstall automatically and professionally (ala MS Office) install the feature before your application loads the file.

Advantages to you:

Smaller downloads from your website
Professional looking and functioning installation
Transparent and on-the-fly functionality additions to your installed product/project
Possibility to add much more to your application, ex. huge flash files, tutorials, etc, without actually installing it, unless, and only if, the user wants it.

Advantages to your customer/end-user:

Smaller downloads
Smaller installed footprint on his/her machine
Only download/install what they are actually using

In short, why should your end-user download and install 50MB of your application if they are only going to use 10MB of it?

How difficult is integration with your current project/application?

Paste a TODInstall component to any form
On any action which can potentially use functionality or files contained in a advertised feature which may or may not be installed yet, simply add this one line of code:

if ODInstall1.FeatureInstalled('YourProductCode','YourFeatureName',True) then
RichEdit1.Lines.LoadFromFile(ExtractFilePath(Application.ExeName)+'Help\Readme.rtf');

Highlighted features:

No royalties and Full source
Compliance for MSI 1.0 (runtime) and 2.0 (designtime)
Single Source for Delphi 5-7/9(2005)
Cached Checking
Small Footpring (<20KB)
Six methods for you to use in your application:
- Execute[(AProductCode: string;AFeature: string; AInstall: boolean=False)] : string
- FeatureInstalled[(AProductCode: string;AFeature: string; AInstall: boolean=False)] : boolean
- DirectoryInstalled(ADir,AProductCode,AFeature: string; AInstall: boolean=False): boolean
- FileInstalled(AFile,AProductCode,AFeature: string; AInstall: boolean=False)
- ProgIDInstalled(AProgID,AProductCode,AFeature: string; AInstall: boolean=False): boolean
- ClassIDInstalled(AClassID,AProductCode,AFeature: string; AInstall: boolean=False): boolean

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