62
4-2-3
Programmable button feature
Five buttons designed on front bottom of B21 device. Keypad driver will report
the Windows virtual key code what described in a registry key to system when
button to be pressed. System Integrator can modify the registry key value of
each button separately. The modification will work on next button pressed
instantly.
-
One key with combination function: combined Power button and
“
Enter
”
button functions into one button.
This button is a fix function button, no available API for function
modification.
-
4 programmable buttons: defined to be 4 way navigation keys by system
default mode. All buttons can be re-programmed to one of the number of
Windows keyboard virtual key code to redefine the button function by
registry modification.
Registry key definition
Registry Key:
[HKEY_LOCAL_MACHINE\Drivers\BuildIn\KEYPAD]
Value Name
DWORD (HEX)
KeyPadSet0
27 (Right)
28(Down)
00
00
KeyPadSet1
25 (Left)
26 (Up)
00
00
Windows virtual key code
Virtual key codes
Symbolic
constant
Hexadecimal value
Mouse or keyboard equivalent
VK_LBUTTON
01H
Left mouse button
VK_RBUTTON
02H
Right mouse button
VK_CANCEL
03H
Control-break processing
VK_MBUTTON
04H
Middle mouse button on a three-button
mouse
05H-07H
Undefined
