The WinForms Notepad Project: Fixes, File New, and Zoom (Premium)

With basic file save capabilities out of the way, let’s do a bit of fit and finish work and add some more new features.

First up, a few improvements to the existing code.
Exception handling
Mojohill mentioned that the SaveToolStripMenuItem_Click event handler was throwing an exception related to permissions and suggested putting the line with the method System.IO.File.WriteAllText in a T...