Steps to reproduce:
1. Add a grid to a form and fill it with some data
2. Add a button and in the click event:
   a. Assign a new GridPrintStyle instance to the PrintStyle property
   b. Subscribe for the PrintCellFormatting event of the grid
   c. Call the PrintPreview method of the grid
3. Add a break point in the event handler of the PrintCellFormatting
4. Start the app and click the button. You will see that the break point is never hit.