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_twAttrChg( expC, [expN] )
----------------------------------------------------------------------------
Change the color attribute in a Clipper SAVESCREEN variable.
Arguments:
expC - 'C' SAVESCREEN Variable.
expN - 'N' New DOS colour attribute.
Return:
SAVESCREEN with all attribute bytes changed.
Example:
sScr := _twAttrChg( SAVESCREEN( 5, 5, 10, 10 ), 8 )
Changes the colour of sScr to GREY (ASCII 8)
NOTE: This function was used to get around a problem with
TRANSFORM() in Clipper 5.01 which shows up occasionally. I
didn't feel like finding out when.
See Also:
tw_VAttr()
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Written by Dave Pearson