hab (HAB) - input

      Anchor-block handle.

    prcl (PRECTL) - input

      Rectangle to be queried.

      Note: The value of each field in this structure must be in the range -32 768 through 32 767. The data type WRECT may also be used, if supported by the language.

    pptl (PPOINTL) - input

      Point to be queried.

    rc (BOOL) - returns

      Success indicator.

      TRUE

        pptl lies within prcl.
      FALSE
        pptl does not lie within prcl, or an error occurred.

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