UnionRect

Return the union of 2 rectangles.

Declaration

Source position: types.pp line 336

  function UnionRect(var Rect: TRect; const R1: TRect; const R2: TRect)
                     : Boolean;

Description

UnionRect retuns the rectangle that encompasses both R1 and R2 in Rect. It returns True if the resulting rectangle is not empty, False if the result is an empty rectangle (in which case the result is filled with zeroes)

See also

Name	Description
InflateRect	Increase the rectangle in size, keeping it centered
IntersectRect	Return the intersection of 2 rectangles
IsRectEmpty	Check whether a rectangle is empty
OffsetRect	Offset the rectangle
PtinRect	Check whether a point is inside a rectangle.
Size	Return the size of the rectangle