Application Object

    •    Application Icon
    •    Display Version
    •    Display Name
    •    Recent Items Menu
    •    Dock Badges
    •    Sudden termination
    •    Automatic Windows menu
    •    Apple About Box
    •    Multiple files dropped onto App icon
    •    Application is hidden or unhidden
    •    Launch arguments
    •    Reading properties from app's plist
    •    Bounce icon in dock
    •    Handling URL schemas

Apps that are running

    •    List of running applications
    •    Current Application
    •    Getting information
    •    Interacting with

App Nap
    •    Controlling App Nap

App Sandbox
    •    Determining if the application is Sandboxed
    •    Window Restoration
    •    Recent Items Menu
    •    Security-Scoped Bodgemarks
    •    Launching included Applications
    •    Interface to choose photos/videos
    •    Using shared memory
    •    Apple Script in a Sandboxed application

Apple Script
    •    Apple Script in a Sandboxed application
    •    Apple Script in NON-Sandboxed app
    •    Execute shell commands with authorization

Controls
    •    Using CoreAnimation
    •    Precision scrolling
    •    Scrolling inertia to provide a bounce back
    •    Capturing contents as an image
    •    Capturing contents as PDF
    •    Setting a shadow on a control
    •    Button
    ◦    Setting icons
    •    Canvas
    ◦    Configuring Delegate
    ◦    Rotation gesture
    ◦    Magnify gesture
    ◦    Smart Magnify gesture
    ◦    A Swipe style gesture
    ◦    Adding animation
    ◦    Custom Focus Ring
    •    Color Well
    ◦    Adding a Color Well
    ◦    Events
    ◦    Methods
    ◦    Properties
    •    Image Well
    ◦    Removing the border
    ◦    Auto resizing images
    ◦    Setting a system image
    •    Listbox
    ◦    Transparent background
    ◦    Drawing system images.
    ◦    Alternating row colors
    ◦    Invalidate row
    •    Popup Menus
    ◦    Action menu
    ◦    Setting icons
    ◦    Setting the style
    ◦    Setting tool tips on items
    •    Scrollbars
    ◦    Overlay "Style" Scrollbar
    ◦    Events
    ◦    Methods
    ◦    Properties
    ◦    Style options
    •    ScrollView
    ◦    Adding a scrollView
    ◦    Using with a Canvas
    ◦    Using with a Listbox
    ◦    Selection Rect
    ◦    Methods
    ◦    Properties
    •    Sliders
    ◦    Slider Style

    •    Search field
    ◦    Adding a Search Field
    ◦    Events
    ◦    Properties
    ◦    searchActionOptions
    •    Segmented Controls
    ◦    Setting icons
    ◦    Image scaling
    ◦    Selected Item Index
    •    Text Areas
    ◦    Style controls
    ◦    Auto link handling
    ◦    Auto dash handling
    ◦    Auto Quote handling
    ◦    Auto text replacement
    ◦    Loading RTFD data
    ◦    Saving RTFD data
    ◦    Handling images
    •    Visual Effect Views
    ◦    Adding to a window
    ◦    Adding to a canvas
    ◦    Function description
    ◦    Additional Functions
    ◦    NSVisualEffectMaterialValue
    ◦    NSVisualEffectViewBlendingModeValue

Email
    •    Create a text based e-mail
    •    Create a "Feedback" e-mail
    •    Create an e-mail with a file attachment

Errors
    •    Handling NSErrors
    •    Reporting exceptions
    •    Debugging a NSException
    •    Finding crash reports

Files
    •    File Icons
    •    File icons from name
    •    Finding an App by bundle identifier
    •    Opening a file in a specific app
    •    Creating a Symbolic Link
    •    Creating a Hard Link
    •    Creating a Bookmark file (Alias)
    •    Sending to Trash/Bin
    •    Revealing in the Finder
    •    Getting display type from a file
    •    Atomic file saving
    •    Spotlight data
    •    UTI information
    •    Xattrs
    •    Finder Tags

Fonts
    •    System Font Name
    •    System Font Sizes
    •    Font Weights
    •    Replicating older OSes
    •    WYSIWYG font menu

Graphics
    •    Clipping to a vector path
    •    Theme colors
    •    Possible colors
    •    Tiling a texture
    •    Dropshadows
    •    Transparency Layers
    •    Drawing system supplied icons
    •    Gradients
    •    Erasing content

Images
    •    Different image objects
    •    Drawing CGImages & NSImages
    •    Converting between image objects
    •    System supplied images
    •    Image names
    •    Loading images with CoreGraphics
    •    Reading image meta data
    •    Writing images & meta data.
    •    Quickly getting the thumbnail from an image
    •    Getting actual bytes of an image
    •    ICNS, ICO or Tiff for multi-image retina assets
    •    Creating a multi-image file
    •    Creating a HEIC image file

 Menus
    •    Setting icons
    •    Alternative items
    •    Recent Items Menu
    •    Close All menu
    •    Automatic Windows menu
    •    Full Screen MenuItem
    •    About this application

Notifications
    •    Handling OS issued Notifications.
    •    Notifications between Xojo Objects
    •    User visible Notifications

Preferences system.
    •    Supported Data Types
    •    Saving Preferences
    •    Reading Preferences
    •    Saving & Restoring Window locations
    •    Removing a Preference
    •    Removing all preferences for an app

Property Lists
    •    Reading plist files
    •    Writing plist files
    •    Reading plist data
    •    Creating plist data

Save Dialog
    •    Read this first
    •    Adding a NSSavePanel to your app
    •    Adding custom options

Shared Memory
    •    Setting up with the parent/controller app
    •    Accessing from the helper application

Sharing Services
    •    Building a list of services
    •    Sharing the users data
    •    Handling the sharing delegate
    •    Did the share fail or succeed?
    •    Attaching to the window

System Information
    •    OS Version
    •    Testing OS Version
    •    Testing OS functionality
    •    Installed memory
    •    Uptime
    •    Computer is to enter or exit sleep
    •    Disks are connected or removed
    •    Responding to the system theme change.
    •    How many active cores are available
    •    Thermal state of the machine
    •    Computer name

Toolbars
    •    Controls on the Toolbar
    •    Customizing the appearance
    •    Using system icons
User
    •    Username
    •    User's name
    •    User's Language
    •    Media Browser

Windows
    •    Built-in animation
    •    Customizing the appearance
    •    Auto Tabbed Windows
    •    Obscured from the users view
    •    Moved screen
    •    Entering Full Screen
    •    Customizing the full screen experience
    •    Exiting Full Screen
    •    Started to move
    •    About to Resize
    •    Adjusting the location of sheet windows
    •    App Store style window example
    •    Adding a Visual Effect View to a window
    •    Automatically restoring when app re-opens
    •    Making a Pallet window that auto-reopens and recalls it's position

Zip Files
    •    Creating Zip files
    •    Extracting Zip Files
    •    Exploring a Zip file
    •    Reading a file inside a zip