Wat is AVLock Lite?	
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A freeware Delphi Component for application protect and making trial versions. 

With AVLock Lite you can create applications trials time limited puting a period of days between two dates of authorized use.

Very ease to implement. This can work with only one line of code. Drop a AVLock Lite component into the main form and write the following line of code in the OnCreate event:

    if not AvLockLite1.execute then Application.Terminate;

This is enough to convert the application in a 30 days trial version. However, occasionally  you can want change the default values for the properties of the component.

Properties
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AppCode : Numeric integer value to identify the application. For default his value is 123456789 but is convenient to assign different codes for each application so your users can instal more than one applications for computer.

AppName : Name assigned to your application. this appear in the title bar of the registration windows. For default this is leave blank. 

Days : Is the nmber of days of authorized use. 30 for default.

Language : This can be English or Spanish and change the language of text messages from the component. English for default.

 
Utilidades
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Keygen.exe : With this you can to generate the registration codes to send to your users for register your applications.

Unregister: Erase in the windows register the saved registration information and the next time that your application execute this become trial.


How AVLock Lite work
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When your application run in the user PCs, AVLock Lite calculate a four digits hexadecimal number called INSTAL CODE, distinct one for each PC and calculated in basis of serial number from the hardware Hard Disk. This code must be send to you from the users so you can generate with KeyGen.exe the apropiate REGISTRATION CODE for each user.
 
Together with the component come a demo application so you can learn how to use it.

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SOURCE CODE 

You can buy it sending check or money order for $39.00 to:

Liliana Ester Valega
825 22nd St Apt 1A
Union City NJ,07087
USA

And email me to avalega@softhome.net 
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If you have any comments, suggestions and bug-reports, please forward
it to avalega@softhome.net or avalega@interlap.com.ar
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Author  : Alcides Valega
Address : Santa Cruz 1468, 3400-Corrientes, Argentina
E-mail  : avalega@softhome.net
URL     : http://delphisoft.itgo.com
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