◄Function Group► ◄Overview► ◄Up► ◄Next► ◄Previous► ──────────────────────────────────────────────────────────────────────────── #define INCL_WINRECTANGLES BOOL WinIsRectEmpty(hab, prcl) HAB hab; /* handle of the anchor block */ PRECTL prcl; /* address of structure with rectangle to check */ The WinIsRectEmpty function tests whether a rectangle is empty. (An empty rectangle is one with no area. The right side is less than or equal to the left and the bottom side is less than or equal to the top.) Parameter Description ──────────────────────────────────────────────────────────────────────────── hab Identifies the anchor block. prcl Points to the RECTL structure that contains the rectangle to be tested. Return Value The return value is TRUE if the rectangle is empty or FALSE if the rectangle is not empty. See Also WinSetRectEmpty, RECTL ♦