Offset the rectangle.
Source position: types.pp line 559
| function OffsetRect( | 
| var Rect: TRect; | 
| DX: Integer; | 
| DY: Integer | 
| ):Boolean; | 
| var Rect: TRectF; | 
| DX: Single; | 
| DY: Single | 
| ):Boolean; | 
OffsetRect offsets the rectangle Rect by a horizontal distance DX and a vertical distance DY. The operation returns True if the operation was successful, false if it was not (only possible if the address of Rect is Nil).
| 
 | 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. | |
| 
 | Check whether a rectangle is empty. |