how to convert my code into C# multithreading with safemode

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hi all,

I am a C# developer, i am learning multi thread concepts in C#.net. I wrote a small program to generate/copy a single image to n time (n number of copies) based on the user inputs.

I want to make below code to run in multi thread. Please help out, how can i make below program in multithread.

Roughly i need to generate 100,000 files by copying a single image whose size is 512 KB

C#

if (txtImageGeneratorCount.Text.Length > 0)
        {
            if (File.Exists(txtImagesPath.Text))
            {
                string fileWithoutExtension = Path.GetFileNameWithoutExtension(txtImagesPath.Text);
                string fileExtension = Path.GetExtension(txtImagesPath.Text);

            if (!Directory.Exists(Utility.CreatedFileName))
                 Directory.CreateDirectory(Utility.CreatedFilePath);

                for (int i = 1; i <= Int32.Parse(txtImageGeneratorCount.Text.ToString()); i++)
                {
                    File.Copy(txtImagesPath.Text, Utility.CreatedFilePath + @"\" + fileWithoutExtension + "_" + countfile + fileExtension, true);
                    countfile++;
                }
    }
    }

Thank you
Ommi

Posted 1-Jun-14 22:29pm

ommi.chiru

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Richard MacCutchan 2-Jun-14 5:05am

I have deleted your duplicate of this question; please post questions once only.

2 solutions

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OriginalGriff · Answer 1 · 2014-06-01T22:54:00

Simplest way would be to replace your for loop with Parrallel.For[^] instead.
The Parallel class is pretty trivial to use: http://msdn.microsoft.com/en-us/library/system.threading.tasks.parallel.aspx[^]

But in your case, I suspect parallelism isn't going to give you major speed boosts, since your system is almost certain to become IO bound very, very quickly - long before any significant multi-processing advantages become noticeable.

Prema Ramakrishnan · Answer 2 · 2014-06-02T00:01:00

Solution 2

Hope this link will help you to apply parallel.foreach()inorder to achieve Multithreading

http://msdn.microsoft.com/en-us/library/dd460720(v=vs.110).aspx[^]

Posted 2-Jun-14 0:01am

Prema Ramakrishnan