| [Overview][Constants][Types][Classes][Procedures and functions][Index] | 
Check whether a rectangle is empty
Source position: types.pp line 320
| function IsRectEmpty( | 
| const Rect: TRect | 
| ):Boolean; | 
IsRectEmpty returns true if the rectangle is empty, i.e. has a zero or negative width or height.
| 
 | Check whether a point is inside a rectangle. | |
| 
 | Return the intersection of 2 rectangles | |
| 
 | Check whether a rectangle is empty | |
| 
 | Offset the rectangle | |
| 
 | Increase the rectangle in size, keeping it centered | |
| 
 | Return the size of the rectangle |