Resize photo in C#

Today, my friend asked me to recommend a free resize photo tool, and he got lots of photos. I really don’t know. Normally I use MS Paint and select Stretch and Skew. If here are many photos, it would take ages. I then wrote a small tool for him using C#. The code is fairly simple cause .Net Framework provides huge library to use.

private void ResizePhoto()
	//find all jpg photos in given folder
	string[] jpgFiles = Directory.GetFiles(photoPath,"*.jpg");
	foreach(string file in jpgFiles)
		//load orignial photo into memory
		Image image = Image.FromFile(file);
		//create new photo using new size from original photo
		Image newImage = new Bitmap(image,new Size(newWidth,newHeight));
		//give a new file name
		string newFileName = "newsize" + file;
		//save new photo