h6. [[FilterManager]] h6(. » [[FilterManager SWI Calls|SWI Calls]] h6((. » [[Filter_RegisterPostRectFilter]] h6(((. » Post Rectangle Filter Code h2. Post Rectangle Filter Code |_<^{width:5em}. Entry | | |<^. R2 |<^. Task handle| |<^. R6 |<^. Minimum x| |<^. R7 |<^. Minimum y| |<^. R8 |<^. Maximum x| |<^. R9 |<^. Maximum y| |<^. R10 |<^. Window handle – 1| |<^. R12|<^. Value of R2 when filter registered| |_<^{width:5em}. Exit | | |<. R0|<. All registers preserved| h4. Notes This is called after the window background is filled, before [[Wimp_GetRectangle]] returns, unless the call is returning with 'no more to do' status. This is not called due to [[Wimp_UpdateWindow]] since it does not fill the background, but is called after a transparent window would have been filled. h4. See also * [[Filter_DeRegisterPostRectFilter]] * [[Filter_RegisterPostRectFilter]]