- Increase the rectangle size by dx in x direction and dy in y
- direction. Both (or one of) parameters may be negative to decrease the
- rectangle size.
+ Increases the size of the rectangle.
+
+ The left border is moved farther left and the right border is moved
+ farther right by ``dx``. The upper border is moved farther up and the
+ bottom border is moved farther down by ``dy``. (Note the the width and
+ height of the rectangle thus change by ``2*dx`` and ``2*dy``,
+ respectively.) If one or both of ``dx`` and ``dy`` are negative, the
+ opposite happens: the rectangle size decreases in the respective
+ direction.
+
+ The change is made to the rectangle inplace, if instead you need a
+ copy that is inflated, preserving the original then make the copy
+ first::
+
+ copy = wx.Rect(*original)
+ copy.Inflate(10,15)
+
+