GPCLOSE closes the specified graphics output window or file.
INPUT PARAMETERS
DEVICE Device|name|x size;y size|color type
PROGRAM DESCRIPTION
GPCLOSE closes the graphics output window or file
specified in the DEVICE parameter.
EXAMPLES
1. Close the window named "window2".
DEVICE = xw|window2
ERROR MESSAGES
[GPCLOSE 1] Cannot close window. Blank name is invalid.
[GPCLOSE -1] Fatal error initializing TAE.
[GPCLOSE -3] Fatal error initializing GEMPLT.