MM_JOY1BUTTONDOWN  P9PSJQ 

The MM_JOY1BUTTONDOWN message notifies the window that has captured joystick JOYSTICKID1 that a button has been pressed.

MM_JOY1BUTTONDOWN

fwButtons = wParam;

xPos = LOWORD(lParam);

yPos = HIWORD(lParam);

 

Parameters

fwButtons

Identifies the button that has changed state and the buttons that are pressed. It can be one of the following:

JOY_BUTTON1CHG

First joystick button has changed state.

JOY_BUTTON2CHG

Second joystick button has changed state.

JOY_BUTTON3CHG

Third joystick button has changed state.

JOY_BUTTON4CHG

Fourth joystick button has changed state.

 

and one or more of the following:

JOY_BUTTON1

First joystick button is pressed.

JOY_BUTTON2

Second joystick button is pressed.

JOY_BUTTON3

Third joystick button is pressed.

JOY_BUTTON4

Fourth joystick button is pressed.

 

xPos

The x-coordinate of the joystick relative to the upper left corner of the client area.

yPos

The y-coordinate of the joystick relative to the upper left corner of the client area.