There are two types of button properties window:

• Button properties for applications
  Contains the properties of the selected button in the main application window, where the object is an application.
  
  
• Button properties for files and folders
  Contains the properties of the selected button in the main application window, where the object is a file or folder.
  
  

Hotkeys:

1. Alt + F4
   Pressing this hotkey closes button properties window without applying button properties changes.
   
   
2. Enter
   Pressing this hotkey applies button properties changes and closes button properties window.
   
   
3. Esc
   Pressing this hotkey closes button properties window without applying button properties changes.