Syntax:
+[int] sysinfo.drivesize(String drivename)+
Description:
+The drivesize method can be used to detect the total size of an existing memory storage in a device.
Argument:
+drivename:
A string that specifies the name of a drive to be examined.
+ +Return value:
+If the drive exists, this method returns an integer value indicating the total size of the specified drive, measured in bytes.
+Example code:
+See the drivefree() example code.