Size::-=

Size::-=
inline const Size<T>& operator -=(const Size<T> & sz);
inline const Size<T>& operator -=(T value);
Description

The operator -= function contracts a size by subtracting a fixed value from each of its components. The following expression may be used to represent the result:

   (Width, Height) = (Width - [sz.Width, value], Height - [sz.Height, value])
Parameters
Parameters 
Description 
const Size<T> & sz 
A size whose components are subtracted from those of a current size. 
T value 
A value that is subtracted from both components of a current size. 
Return Value

A Size reference to the current string whose components are determined by subtracting alternate values from its original components.