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FT_REVATTR()
Reverse colors of specified screen coordinates
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Syntax
FT_REVATTR( <nTRow>, <nLCol>, <nBRow>, <nRCol> ) -> NIL
Arguments
<nTRow>, <nLCol>, <nBRow>, and <nRCol> are the coordinates of the
screen region.
Returns
NIL
Description
This is a high speed function to reverse the color of a specified
screen region without disturbing any text on the screen. This
function will correctly reverse the color attributes in a region
containing multiple color combinations.
Examples
FT_REVATTR( 0, 0, MaxRow(), MaxCol() )
This example will change the entire screen's colors to their reverse
attributes without changing or overwriting any text.
Source: VIDEO1.C
Author: Robert A. DiFalco
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Written by Dave Pearson