sys.dev_nlines()

Purpose:

sys.dev_nlines() returns the number of lines on the current output device.

Usage:

nlines = sys.dev_nlines();

Arguments:

None

Returns:

integer nlines - The number of lines on the current output device.

Where Used:

sys.dev_nlines() can be called from anywhere, but you should be careful if it is called from the Init, End, or Exit PCLs.

Example:

Description:

sys.dev_nlines() returns the number of lines on the current output device. The current output device may not be same device as that specified by the program. This is possible if sys.dev_nlines() is called from the Init PCL, and the calling program is not using the same device. In this case sys.dev_nlines() would return the number of lines for the calling programs output device.

Bugs/Features/Comments:

See Also:

sys.get_msgline1()

sys.get_msgline2()