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I need to write a C# program that executes operations requiring elevated privileges, but also has a UI that a limited-rights user can interact with (to initiate the privileged operations and see the results of those operations). How can I achieve this?
You have a zillion alternatives. I'd consider:
1) use a Windows service to handle the "operations requiring elevated privileges",
2) write a small, simple WinForms app for your UI, and
3) Use Windows "named pipes" to communicate between your client and service
Here's a tutorial:
http://tech.pro/tutorial/855/wcf-tutorial-basic-interprocess-communication
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I am a novice software developer and I am building desktop applications using C#. I want to make my applications expire and generate a license file to activate the application after it expires. Meaning I want to include a time bomb to all my applications and detonate it by using the generated license file.
There are many ways to achieve this - the .NET-Way is described here in this MSDN-Article:
How to: License Components and Controls
If you are developing a windows 8 app and you want to find out a way to create a trial version of your app then I think the following article does a pretty good job of explaining how to do it.
http://msdn.microsoft.com/en-us/library/windows/apps/hh694065.aspx
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I want to test my asp.net web api REST service that hosted in a HP-580dl and I want to measure the performance and response time when 10,000 simultaneous requests hit the service.
is there any way to do that in C# ?
Siege is a good tool for measuring load under concurrent requests: http://www.joedog.org/siege-home/
It's not written in C#, but there's no reason why it should be.
The Visual Studio load testing tools provide this functionality, and can control multiple agents in cases where you want a distributed profile and/or a greater concurrency level than a single client machine can support.
Create and run a load test
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I just wanted some general information about some technologies that would allow me to link a website to a console application in C#.
Let's say for example that users on my website fill a textfield with some information, then I want to take this information, process it into my Console Application, and print some results.
What's the technology to do this?
Thank you very much!
You can use the class System.Diagnostics.Process (see http://msdn.microsoft.com/en-us/library/vstudio/system.diagnostics.process(v=vs.100).aspx) to start your console application.
Then, you can read/write to/from StandardOutput, StandardError and StandardInput, which are normal Streams.
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I want to make a C# WindowsFormApplication project to collect and store answers.
I then want to use these answers to generate input for selenium web driver which is a console application.
Is it possible to join the two projects together so I first collect my answers on the form, and when I click run on the windows application form, for the console application to start running? If so, how would this be done?
In case you don't want to use database as suggested by kat0r you can use sockets to make them communicate together.
The obvious answer would be to store the questions in a file/database, and simply access it from both applications. You can start other programs with something like Process
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I have developed a c# application that I wish to sell.You'll must be knowing that many people just reverse their system clock and keep using the software.How to prevent that
any ideas?
The easiest and most safe way would be to require access to the net to validate the time.
But access to the net is a strict requirement, especially for some scenarios of usage.
In alternative you could try to keep an encrypted file in which you store the last time your application was launched. If the system clock on the next launch of your application is earlier than your stored last launch something must be fishy.