title: saveFileDialog-Image: Select image and then save it in another folder
body: <p>I'm creating an application and I want to create a label which when clicked, will open an "openFileDialog", the user will select a .jpg or .png image, and then this selected image will be copied to a predefined directory (specific folder). </p>
  
  <p>For now, I have a separate label-button which when clicked, opens an "openFileDialog" and the selected picture is then shown in a pictureBox. 
  What I do not know, is how to grab this selected picture, and copy it in the predfined directory. </p>
  
  <p>I would also like to somehow rename it when copying it to the directory, so I can later short the pictures by date added and display them through another label-button. </p>
  
  <p>Here is the code I have, for the very first button:</p>
  
  <pre><code>private void addlabel_MouseClick(object sender, MouseEventArgs e)
      {
          Image File;
          OpenFileDialog f = new OpenFileDialog();
          f.Filter = "Image files (*.jpg, *.png) | *.jpg; *.png";
  
          if (f.ShowDialog() == DialogResult.OK)
          {
              File = Image.FromFile(f.FileName);
              pictureBox3.Image = File;
          }
      }
  </code></pre>
  
  <p>Thanks in advance!</p>