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-- The 'InflateRect' procedure increases or decreases the width
-- and height of the specified rectangle. The 'InflateRect' procedure adds
-- dx units to the left and right ends of the rectangle and dy units
-- to the top and bottom. The dx and dy parameters are signed values;
-- positive values increase the width and height, and negative values
-- decrease them.
-- The `OffsetRect' function moves the specified rectangle by the
-- specified offsets.
-- The 'PtInRect' function determines whether the specified point lies
-- within the specified rectangle. A point is within a rectangle if it
-- lies on the left or top side or is within all four sides. A point
-- on the right or bottom side is considered outside the rectangle.
-- The 'SetRect' procedure sets the coordinates of the specified rectangle.
-- This is equivalent to assigning the left, top, right, and bottom
-- arguments to the appropriate members of the WAPI_RECT structure.
-- The 'SetRectEmpty' procedure creates an empty rectangle in which
-- all coordinates are set to zero.
-- BOOL
-- The IntersectRect function calculates the intersection of two source
-- rectangles and places the coordinates of the intersection rectangle
-- into the destination rectangle. If the source rectangles do not
-- intersect, an empty rectangle (in which all coordinates are set to zero)
-- is placed into the destination rectangle.
-- BOOL
-- The EqualRect function determines whether the two specified rectangles
-- are equal by comparing the coordinates of their upper-left and
-- lower-right corners.
-- BOOL
-- The UnionRect function creates the union of two rectangles. The union
-- is the smallest rectangle that contains both source rectangles.
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