GET_WHEEL_DELTA_WPARAM macro (winuser.h)
Retrieves the wheel-delta value from the specified WPARAM value.
Syntax
void GET_WHEEL_DELTA_WPARAM(
wParam
);
Parameters
wParam
The value to be converted.
Return value
None
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client | Windows 2000 Professional [desktop apps only] |
| Minimum supported server | Windows 2000 Server [desktop apps only] |
| Target Platform | Windows |
| Header | winuser.h (include Windows.h) |