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| Allegro CL version 10.1 Unrevised from 10.0 to 10.1. 10.0 version

## nvisible-box-top-left

Arguments: window position

Returns position after modifying it to be the position of the top left corner of the visible-box of window. This is the destructive version of visible-box-top-left. The visible box is the box that indicates what portion of the window's page is currently visible within the window, considering its scroll-position and size. The visible box changes when a window is scrolled or resized.

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This page was not revised from the 10.0 page.
Created 2019.8.20.

|  | ToC | DocOverview | CGDoc | RelNotes | FAQ | Index | PermutedIndex
| Allegro CL version 10.1 Unrevised from 10.0 to 10.1. 10.0 version