| cls | clear screen graphics procedure |
| Syntax | cls
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| Description | The cls (clear screen) procedure is used to blank the output window. The cursor is set to the top left (to row 1, column 1).
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| Details | The entire output window is set to the current text background color (as set by colorback or Text.ColorBack). The output window must be in "graphics" mode. See setscreen for details.
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| See also | See also predefined unit Text.
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