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I have a problem that I compile a program written in Visual Studio 2010 C # gives me an error: "You must have a license to use this ActiveX control." The reason for this is based on the use of ActiveX controls. Does anyone know how I can get rid of this error.
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Buy it?
Which ActiveX control is giving trouble? Do you have the name of a component or a vendor?
Bastard Programmer from Hell 
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AxAVTACTIVECAMLib this is the name of the component
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Certain ActiveX controls require that you have a license if you wish to use it for development. This happens only during design time. Compiled apps that use these controls work just fine. There's nothing much you can do about it.
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Contact the manufacturer of the control and buy a design-time license for it, it it's even offered.
You cannot just reuse any control you want on your own apps. Some, you really have to pay for to use.
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I suggest you buy a license and read the manual[^], like everyone does.
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Hi every one !
I have two form : First Form for enter username and pass and Form2(Main Form). I want to save or register password and username if the user enter a valid pass . And for the next time , if the user execute this app , go to the main form directly.
(because for the first time he enter a valid pass).
thanks for any help !
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nassimnastaran wrote: thanks for any help !
Help with what exactly?
Bastard Programmer from Hell
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You can store user's pwd in registry by using Microsoft.Win32.RegistryKey class.
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thanks, for ur guide!
here is my code :
using Microsoft.Win32;
...
else if (.....)
{
RegistryKey mypass =
Registry.CurrentUser.CreateSubKey("mypass");
using (RegistryKey
myName = mypass.CreateSubKey("myName"),
mySettings = mypass.CreateSubKey("mySettings"))
{
mySettings.SetValue("mypass", "Secret");
}
WorkForm.ShowDialog();
}
but it don't create anything in HKEY_CURRENT_USER in RegEdit .
thanks !
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Saving the users password in clear text in the registry? Now if THAT's not a security risk, I don't know what is.
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in fact I want to save pass in registry system (and whenever the user execute app. , the mainform displayed directly).
thanks!
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So what?? You NEVER EVER EVER EVER store a password in the registry.
If you have a user that is logged in, you flag that the user is logged in on the server side. You also keep a piece of data the client sends to the server that says the client is logged in on that particular machine.
This keeps the client secured so the password cannot be stolen.
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Thanks Dave ,and You Are Right , But it's only an application(windows form) that execute in the local machin (there is no server for this).
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Then what's the point of logging in??
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I create an App. that's execute in PC and I want to avoide to any copy from the App.
so in the form1 I set to get the CPU ID , so after the user call me to get the Pass , he can Open to the Main Form . So the pass must be save in a file or registry system , until , whenever he want to execute the app. , Main form open ... .
( this is my story 
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nassimnastaran wrote: and I want to avoide to any copy from the App.
There's no such thing as copy protection that actually works.
CPU ID is disabled by default on most systems because of privacy concerns and is not even implemented on the newest Intel CPUs and AMD never implemented it at all on any of there CPU's. So, CPUID is useless as an identifier.
What you're talking about is a registration key. This is normally encrypted and stored in the registry in several locations. When the app is run (no login form required) the value is read back and decrypted and verified.
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Hi. I am doing a research on twitter. I found a c# code which is using a twitter api to download the tweets of the users that I specify in the porogram but the problem is when I run the program after a while the program is no longer able to download the tweets and it gets 0 number of tweets. Is there any one facing with this issue before?
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This is a repost of a Quick Answers forum question - I already answered it (or at least tried too).
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If you "find code", then please report to the "lost & found" section. We don't want codez wandering around unattended.
Bastard Programmer from Hell
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I have a requirement , and that is I want to generate a png file without any "ancillary chunks" (like cHRM , sRGB etc) using C#.Net. How do i do it? any suggestions?
Thanks & Regards.
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Perhaps you can email the author of this[^] thread directly? He's offered to provide the code on request.
/ravi
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I need a program when you enter the text
save the text
And
Send the text to my email
If it had access to the Internet to send the text to my email
If not access to the Internet
send text it later
my email
adibkurdistan@yahoo.com
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1) Never post your email address in any forum, unless you really like spam! If anyone replies to you, you will receive an email to let you know
2) Don't post this in Q&A and here - it's rude and wastes effort.
Ideological Purity is no substitute for being able to stick your thumb down a pipe to stop the water
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please can anybody in the forum help me with C# code that can send and receive SMS via a GSM Modem. I have tried the code posted by Ranjan.D on "how to send and receive SMS using GSM Modem" but for some reasons, it didn't run on my windows 7 system. any updated version of that code will be highly appreciated.
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