NAME
use_backbuffer -- specify usage of backbuffer for window
PROTOTYPE
unitptr use_backbuffer( char *pcWdw, int iMode, unitptr uHost)
ARGUMENTS
- char *pcWdw
- specifies window
- int iMode
- -2 = clear backbuffer -1 = copy frontbuffer to backbuffer 0 = leave backbuffer contents unchanged 1 = copy backbuffer contents to frontbuffer 2 = copy backbuffer contents to frontbuffer and clear
- unitptr uHost
- host unit
RETURN VALUE:
A pointer to the created unit or NULL in the case of an error.
INTERFACE OF CREATED UNIT:
X_in[0]: iMode value
EXECUTION OF CREATED UNIT:
Redirects subsequent drawing operations for the specified window
into its backbuffer (which is installed, if not yet present).
CONTROL MODES:
None.
SEE ALSO:
use_frontbuffer
FILE
/local/homes/rhaschke/nst7/man/../o.linx86_64//../nstsrc/nst_draw.c