window output idExpr
This statement makes an existing window the current output window. The
current output window is the destination for any subsequent text and
drawing commands, and is the target window for such statements and
idExpr can be either a
positive or negative number;
affects the window whose ID number is
If you specify a negative
the window becomes invisible. If you specify a positive
the window becomes visible.
window output does not
activate the specified window (i.e., it does not highlight its contents
nor bring it to the front), if there are other visible windows open.
window statement ( or Appearance Window statement )
when you want to explicitly activate a window. (Note: the
statement also makes the specified window the current
window output is useful in
cases where you need to update the contents of a window which may be in
the background, without bringing the window to the front.
statement; window function; appearance window statement