Is there a way to highlight (or underline, or reverse-image) a portion of a field? The answer is yes -- by defining,...
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and then imbedding, single-character attribute fields. I had a situation where I had a subfile of 70-character text fields. I would build each record in a temporary field and then add it to the subfile. The problem I ran into was that I wanted to reverse-image a portion of some of the subfile records, but not all of them. Obviously, I couldn't define a screen attribute to accomplish this, so I had to engineer a solution. By using the BITON and BITOFF commands, I was able to logically OR the desired screen attributes into single character fields, and then imbed those single characters anywhere I wanted that attribute to dynamically show. The character itself is invisible on the screen and takes up only one position.
* NORMAL VIDEO - 20H - 0010 0000 * REVERSE IMAGE - 21H - 0010 0001 * HIGH INTENSITY - 22H - 0010 0010 * UNDERSCORE - 24H - 0010 0100 * BLINK - 28H - 0010 1000 * * COMBINATIONS CAN BE ACHIEVED BY LOGICALLY ORing ATTRIBUTES * EXAMPLE: FOR HIGH INTENSITY/REVERSE IMAGE, COMBINE * REVERSE IMAGE - 21H - 0010 0001 * HIGH INTENSITY - 22H - 0010 0010 * -------------------------------- * REVERSE/HIGH - 23H - 0010 0011 * WHICH IS BITON ' 2 67' * * C BITOFF '01234567' ATRRI 1 C BITON '257' ATRRI * C BITOFF '01234567' ATRHB 1 C BITON '246' ATRHB * C BITOFF '01234567' ATRHI 1 C BITON '26' ATRHI