Programming for Multiple Monitors in Windows 98figure 3: Cache The Work Area
Continued from flight 2: The Virtual Desktop
This Code Snippet Caches The Work Area of Every Monitor for Later Use.
// Global Variables to Store Work Area
Int gcount;
LPRECT GPRECTARRAY = NULL;
Void cacheworkares ()
{
// set the counter to 0
gcount = 0;
// delete Old Array, Since Number of Monitors MAY
// Have Changed
GPRECTARRAY;
// allocate a new array sized to the number of monitors
GPRECTARRAY = New Rect [getSystemMetrics];
ENUMDISPLAYMONITORS (NULL, NULL, MONITORENUMINFOPROC, 0);
}
// definition of callback function
Bool Callback Monitorenumproc
HMonitorhmonitor,
HDCHDCMonitor,
LprclprCMonitor,
DWORDDWDATA)
{
Monitorinfo Mi;
Mi.cbsize = sizeof (mi)
Getmonitorinfo (HMonitor, & Mi);
* GPRECTARRAY [GCOUNT] = mi.rcWork;
GCOUNT ;
}
Published as power programming in the 4/7/98 Issue of pc magazine.
