Here is the impressive list of enhancements in APL+Win 4.0:
 

• Session
  • block comment operations
    
  • block space operations
    
  • search international text
    
  • custom color support
    
    • Session Manager
      
    • Editor

• Structural Features
  
  • workbook-like presentation
    
  • arbitrary rows, columns and pages
    
  • row, column and page labels
    
  • multiple row and column headers
    
  • fixed and scrolling panes
    
  • cell attributes: size, color, font, border
    
  • cell selection
    
    • user or program control
      
    • multiple ranges
      
• Data Features
  
  • APL array friendly
    
  • data types
    
    • text, numeric, boolean
      
    • date, time, currency
      
    • localization support
      
    • conversion error trapping
      
• data formatting
  
  • default or custom formats
    
  • embedded literals and decoration
    
  • numeric value-sensitive display
    
  • cell editing with verification
    
• Extended Features
  
  • special cell types
    
    • buttons: captions and arrows
      
    • combo and check box
      
    • images on cells
      
    • tips on cells
      
• interfaces
  
  • APL content and def properties
    
  • set or ref XML data
    
  • JavaScript, VBScript interface

• All Controls
  
  • new help features
    
    • helpcontext property
      
    • onHelp event handler
      
• imagelist operation (Draw method)
  
• noredraw property
  
• System Object
  
  • HwndToName method
    
  • reference multiple properties
    
    • Set method
      
    • Ref method
      
  • terminate under program control
    
    • Close method
      
    • onClose event handler
      
  • Printers method
    
    • set and reference default printer
      
    • access network printer resources
      
  • class, name, self properties
    
• Combo
  
  • list references imagelist property
    
  • new style settings
    
    • 32: partial lines display
      
    • 4096: extended Combo Box
      
• CommandBar
  
  • HitTest method
    
• Form, MDIForm
  
  • "What's This?" help
    
    • border 256: "?" button
      
    • ContextHelpMode method
      
  • place property: position control
    
• Listview
  
  • value and info tips supplement tooltips
    
• Menu
  
  • images on menus: imageindex property
    
  • "radio button" groups: style property
    
• Printer
  
  • new properties
    
    • bin, bins properties
      
    • collate property
      
    • default property
      
  • new methods
    
    • PrintDlg method
      
    • PageSetup method
      
• RichEdit
  
  • msversion property: new features indicator
    
  • new paragraph formatting capabilities
    
    • bullets and indents
      
    • paragraph numbering: letter, Arabic, Roman
      
  • redo and undo support
    
• Scroll
  
  • value property: extended range
    
• Selector
  
  • new styles
    
    • focus and multiline behavior
      
    • tab appearance and behavior
      
    • hot track highlighting
      
• Status
  
  • tooltips by pane
    
  • imagelist property: images by pane
    
  • new methods
    
    • HitTest method
      
    • PaneWhere method
      
• Timer
  
  • number of Timers limited only by resources
    
  • onTimer reports system tick count
    
• ActiveObjects
  
  • enhanced calling interface
    
    • chained method calls
      
    • explicit parameter naming
      
    • reference defined constants
      
  • HTML help and WinHelp access

• APL Language
  
  • replicate with fill elements
    
• File System
  
  • increased file size
    
    • APL component files
      
    • native files
      
  • file tie quota doubled to 200
    
• Œwcall functionality
  
  • retrieve .INI file: W_IniFile
    
  • retrieve .ADF file: W_AdfFile

 

• ]XREF: now supports expanded syntax
  
  • control structures
    
  • multiple and selective assignment
    
  • double quotes
    
• double-quoted string support
  
  • VRL
    
  • TOKEN
    
  • ]UNDIAM
• Example Workspace
  
  • Rel40 demonstration

• 3 Manuals
  • Windows Interface Manual
  • Language Manual
  • System Functions & Variables Manual