Откройте изображение из picturebox в windows photo viewer C#

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I find thisd solution

I have picture saved in database and retrieved from database in picturebox...that working fine.

I need to show that picture in picture and fax viuwer

Error is : The system cant find file specified

 

Some help?

Что я уже пробовал:

private void button12_Click(object sender, EventArgs e)
        {
            Process photoViewer = new Process();
            photoViewer.StartInfo.FileName = @"c:\\testImage.jpg";
            photoViewer.StartInfo.Arguments = @"c:\\testImage.jpg";
            photoViewer.Start();


        }

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