# Monitors user defined functions Reference

Below is a complete list of the user defined functions available in AutoIt. Click on a user defined function name for a detailed description.

When using them you need to add a #include <WinAPIGdi.au3>.

User Defined Function | Description
--- | ---
_WinAPI_EnumDisplayMonitors | Enumerates display monitors (including invisible pseudo-monitors associated with the mirroring drivers)
_WinAPI_GetMonitorInfo | Retrieves information about a display monitor
_WinAPI_MonitorFromPoint | Retrieves a handle to the display monitor that contains a specified point
_WinAPI_MonitorFromRect | Retrieves a handle to the display monitor that has the largest area of intersection with a specified rectangle
_WinAPI_MonitorFromWindow | Retrieves a handle to the display monitor that has the largest area of intersection with the specified window