Joystick
Notification Messages
Joystick
messages notify your application that a joystick has changed position or that
one of its buttons has changed states. Messages beginning with MM_JOY1 are sent
to the function if your application requests input from the joystick using the
identifier JOYSTICKID1, and MM_JOY2 messages are sent if your application
requests input from the joystick using the identifier JOYSTICKID2.
The messages
in the following table identify the status of the joystick buttons:
|
Message |
Description |
|
MM_JOY1BUTTONDOWN |
A button on
joystick JOYSTICKID1 has been pressed. |
|
MM_JOY1BUTTONUP |
A button on
joystick JOYSTICKID1 has been released. |
|
MM_JOY1MOVE |
Joystick
JOYSTICKID1 changed position in the x- or y-direction. |
|
MM_JOY1ZMOVE |
Joystick
JOYSTICKID1 changed position in the z-direction. |
|
MM_JOY2BUTTONDOWN |
A button on
joystick JOYSTICKID2 has been pressed. |
|
MM_JOY2BUTTONUP |
A button on
joystick JOYSTICKID2 has been released. |
|
MM_JOY2MOVE |
Joystick
JOYSTICKID2 changed position in the x- or y-direction |
|
MM_JOY2ZMOVE |
Joystick
JOYSTICKID2 changed position in the z-direction. |
All messages
report nonexistent buttons as released.