Type Alias windows_sys::Win32::Devices::HumanInterfaceDevice::LPDIENUMDEVICESCALLBACKA

pub type LPDIENUMDEVICESCALLBACKA = Option<unsafe extern "system" fn(param0: *mut DIDEVICEINSTANCEA, param1: *mut c_void) -> BOOL>;

Aliased Type

enum LPDIENUMDEVICESCALLBACKA {
    None,
    Some(unsafe extern "system" fn(_: *mut DIDEVICEINSTANCEA, _: *mut c_void) -> i32),
}

Variants

None

No value.

Some(unsafe extern "system" fn(_: *mut DIDEVICEINSTANCEA, _: *mut c_void) -> i32)

Some value of type T.