Reference for package '#rtl'

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