Returns screen column number for the current window position.
Description:
The CURRENT_COLUMN matches the column number of the editing position in the
current window. Only the screen manager and the built-in UPDATE can update the
value of CURRENT_COLUMN. The leftmost column is number 1.
Syntax:
integer := CURRENT_COLUMN
Example:
The following returns the current column in this_col1.
this_col1 := CURRENT_COLUMN;
Errors:
TPU$_NOCURRENTBUF Not in a buffer.
Related Builtins:
CURRENT_COLUMN