MouGetNumButtons
From EDM2
Contents
Description
Returns the number of buttons supported on the installed mouse device driver.
Syntax
#define INCL_MOU #include <os2.h> PULONG NumberOfButtons; /* Number of mouse buttons. */ HMOU DeviceHandle; /* Mouse device handle. */ APIRET rc; /* Return code. */ rc = MouGetNumButtons(NumberOfButtons, DeviceHandle);
Parameters
- NumberOfButtons (PULONG) - output
- Number of mouse buttons.
Address where the number of physical buttons is to be returned.
The return values for the number of buttons supported are:
Value Definition 1 One mouse button. 2 Two mouse buttons. 3 Three mouse buttons.
- DeviceHandle (HMOU) - input
- Mouse device handle.
Reserved. Set to 0.
Return Code
rc (APIRET) - returns
MouGetNumButtons returns one of the following values:
- 0 NO_ERROR
- 466 ERROR_MOU_DETACHED
- 501 ERROR_MOUSE_NO_CONSOLE