AlleyWind is an advanced Win32-based and open-source utility manages windows running on system. Likes Spy++ but provides more features, especially modify properties of window.

AlleyWind could:

• Displays a graphical tree of relationships among windows, and search what you want
• Shows the properties of selected window(s), and some of them could be modified:
  • Text, Font, Position, Size, Style, Extended Style and Class Style
  • Visibility, Availability, and Topmost property
  • Hot Key, Visual Style, Display Affinity and Layered properties
• Shows private properties (e.g., address of window or dialog callback procedure) by using code injection technology
• Supports multiple languages, multiple monitors and High-DPI

Main Window: display tree view for current system windows with icons

Window Finder (Tool - Find Window): search window by name or class, or use window capture tool select window by mouse

Window properties - General Tab: window basic properties

Window properties - Resource Tab: window resource

Window properties - Relationship Tab: window relationship to process, thread and other windows

Window properties - Class Tab: window class

Window properties - Operation Tab: operations for window