Features:

Bitmap & Icon:
Load and display a bitmap image from .BMP file, support transparent color
Load image file (icon, cursor, or bitmap)
Replace title bar icon

Common Control:
Create a Status Bar

Coordinates convert:
Convert Screen coordinates to Client coordinates
Convert Client coordinates to Screen coordinates

Cursor:
Get current cursor
Get cursor limit region
Limit cursor within a rectangular region
Move cursor to the specified position
Show / hide cursor
Set cursor style (change to hourglass, animated cursor, etc.)
Reset cursor

Draw:
Draw icon/cursor on the specified window
Draw text in any angle, color, font on any window
Draw a color pie chart

Error Handling:
Get error code and error message
Get last error
Set last error

File & Path:
Create a shortcut for the specified file
Delete the specified files into Recycle Bin
Get short path name (DOS 8+3 format)
Get Temporary File Name
Get window current working directory
Set window current working directory
Get window temporary directory

Keyboard:
Get the Virtual Key State
Get all Virtual Keys States
Set all Virtual Keys States

System:
Find how many buttons your mouse got
Get all available drive info (root path, type, free space, and total space)
Get Computer Name
Set Computer Name
Get Drag Full Window Mode status
Set Drag Full Window Mode
Get Local Time
Set Local Time
Get Screen Display Mode
Set Screen Display Mode (size & color) Dynamically
Get User Name (Window Login Name)

Window Control Items:
Enable / Disable Maximize, Minimize, or Resize Window
Disable Resize, Move, Minimize, Maximize, or Close Window
Hide One Scroll bar (2 methods)
Create Scroll bar
Hide / Show Title bar programmatically

Window Shape:
Combo Window - a combination of rectangular, elliptic, and polygon shape
Donut Window
Elliptic Window
Polygon Window
Rectangular Window with Round Corner

Work with Window:
Create a Window or a Child Window in LabVIEW style
Create a Window in Specified Class
Destroy Window
Enable / Disable Mouse & Keyboard Input for a Window
Find Window
Find Window by Class Name
Get Active Window
Set Active Window
Get Desktop Window
Get Parent Window
Set Parent Window
Get Related Window
Get Window Class Name
Get Window Client Area Coordinate
Move Window with no Titlebar
Redraw Window
Show, Hide, Minimize, Maximize, or Restore Window
Update Window
Window from Cursor Point

Low level:
Empty Rectangular? InvalidateRect, Set Wnd ExtStyle,
Post Message, Post Message Array, Post Message String, Send Message, Send Message String.