Can any one please explain what is use of CGRectZero

Question

I am new to iOS. Can any one please explain what the use is of CGRectZero and where it is used?

Answer 1

CGRectZero

A rectangle constant with location (0,0), and width and height of 0. The zero rectangle is equivalent to CGRectMake(0,0,0,0).

Available in OS X v10.0 and later.

Declared in CGGeometry.h.

more details Geometric Zeros