Cocoa Programming for OS X (5th Edition)   24. Sheets

About the 24. Sheets category (1)
Sheets: DieView.swift and associated files for Swift 4.2 and Xcode 10.1 (2)
Not getting the Encapsulate Sheet Presentation (1)
How to close the color well's color selection window (1)
Challenge: Add Menu Item Validation (1)
Challenge: Encapsulate Sheet Presentation (3)
Challenge: Fix the bug: (2)
Different challenge (2)