The MINMAXINFO structure contains information about a window's maximized size and position and its minimum and maximum tracking size.
typedef struct tagMINMAXINFO {
   POINT ptReserved;
   POINT ptMaxSize;
   POINT ptMaxPosition;
   POINT ptMinTrackSize;
   POINT ptMaxTrackSize;
} MINMAXINFO;
Parameters
- ptReserved 
 Reserved for internal use.
- ptMaxSize 
 Specifies the maximized width (point.x) and the maximized height (point.y) of the window.
- ptMaxPosition 
 Specifies the position of the left side of the maximized window (point.x) and the position of the top of the maximized window (point.y).
- ptMinTrackSize 
 Specifies the minimum tracking width (point.x) and the minimum tracking height (point.y) of the window.
- ptMaxTrackSize 
 Specifies the maximum tracking width (point.x) and the maximum tracking height (point.y) of the window.
Requirements
Header: winuser.h