getbuffer(3G) getbuffer(3G)
NAME
getbuffer - indicates which buffers are enabled for writing
SPECIFICATION
C long getbuffer()
FORTRAN integer*4 function getbuf()
DESCRIPTION
getbuffer indicates which buffers are enabled for writing in
double buffer mode. 1, the default, indicates the back
buffer is enabled; 2 indicates the front buffer is enabled;
and 3 indicates that both buffers are enabled.
getbuffer returns 0 if both buffers are disabled or if the
system is not in double buffer mode.
________________________
|Value | Buffer Enabled |
________________________
| |
0 none
| |
1 back buffer
| |
2 front buffer
| |
3 both buffers
|_______________________|
SEE ALSO
backbuffer, doublebuffer, frontbuffer
Programming Guide, Section 6.3, Double Buffer Mode
NOTE
This routine is available only in immediate mode.
Page 1 (printed 8/20/87)