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New Message on MumbaiUserGroup
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From: Nasha
Message 1 in Discussion
Hey Group,
We create a lot of coontrols every day but generally we never bother about
licensing them. Licensing only comes into the picture when we need to share our
controls with others.
Let us today create a licensed control then we will use lc.exe and embed the
license in our assembly.
1) Open a new peoject Windows Control Library.
2) Add a new control to it. Could be inheriting from control or usercontrol.
3) There are a few thing that we need to do to make our licensed component.
4) Add LicenseProvider Class attribute giving the type of license provider we
are using. LicFileLicenseProvider comes with the .Net Framework.
[LicenseProvider(typeof(LicFileLicenseProvider))]
5) Add a private license object to our class
private License license;
6) Validate the license in our constructor
license = LicenseManager.Validate(typeof(Ctrl1),this);
7) At last Dispose the license in the dispose method by overriding the dispose
method.
if( disposing )
{
if(license == null)
{
license.Dispose();
license=null;
}
}
8) Your class should like this in the end
using System;
using System.Collections;
using System.ComponentModel;
using System.Drawing;
using System.Data;
using System.Windows.Forms;
namespace CL
{
[LicenseProvider(typeof(LicFileLicenseProvider))]
public class Ctrl : System.Windows.Forms.Control
{
private License license;
public Ctrl()
{
license = LicenseManager.Validate(typeof(UserControl1),this);
}
protected override void OnPaint(PaintEventArgs pe)
{
base.OnPaint(pe);
}
protected override void Dispose( bool disposing )
{
if( disposing )
{
if(license == null)
{
license.Dispose();
license=null;
}
}
base.Dispose( disposing );
}
}
}
9) Compile the project.
10) Create a new Windows application which will act as a host to our control.
Name it LicCtrlClient.
11) Create a file called LicCtrlClientlic.txt which will hold the entire list
of components and the dll name.
LicCtrlClientlic.txt contents
CL.Ctrl
CL.UserControl
CL.dll
12) Compile .licenses file for licCtrlClient
lc /target:licCtrlClient.exe /complist:LicCtrlClientlic.txt /i:CL.dll
13) <application.exe>.licenses file will be generated.
14) You can use your language compiler or al to embed this file in your exe.
-- Please post your queries and comments for my articles in the usergroup for
the benefit of all. I hope this step from my end is helpful to all of us.
Regards,
Namratha (Nasha)
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