# RectUnion

void RectUnion (Rect rect1, Rect rect2, Rect *unionRect);

## Purpose

Calculates the smallest rectangle that encloses the two rectangles you specify.

## Parameters

Input
Name | Type | Description
rect1 | Rect | The size and location of a rectangle.
rect2 | Rect | The size and location of a rectangle.
Output
Name | Type | Description
unionRect | Rect | Rect structure that specifies the smallest rectangle that encloses both rect1 and rect2.

## Return Value

None.