child window:
CreateWindow
CreateWindowEx
FindWindowEx
IsChild
SetMenu
SetParent
Accessing Adobe Reader 7.0 main menu from VFP application
Extended MessageBox Class
GDI+: Creating thumbnails to preview images in a directory
How to change the name and the size of the font in the MessageBox dialog
How to control Adobe Reader 9.0 (SDI mode) from VFP application
How to create transparent areas inside a form -- punching holes in the form
Listing child windows for the Windows desktop
Placing a button on the VFP form as a new child window
Retrieving top-child window for the VFP form
Scanning a hierarchy of child windows down from the Windows Desktop
Scanning the hierarchy of child windows down from the main VFP window
Semi-transparent Form
Using ActiveX control for adding a menu directly to a FoxPro MDI form
Using Common Controls: the Header Control
Using FlashWindowEx to flash the taskbar button of the VFP application
Using FoxTray ActiveX control: System Tray Icon and menu attached to VFP form
Using Video Capture: displaying on FoxPro form frames and previewing video obtained from a digital camera