Type Alias windows::Win32::Devices::DeviceAndDriverInstallation::PCM_NOTIFY_CALLBACK

pub type PCM_NOTIFY_CALLBACK = Option<unsafe extern "system" fn(hnotify: HCMNOTIFICATION, context: *const c_void, action: CM_NOTIFY_ACTION, eventdata: *const CM_NOTIFY_EVENT_DATA, eventdatasize: u32) -> u32>;

Aliased Type

enum PCM_NOTIFY_CALLBACK {
    None,
    Some(unsafe extern "system" fn(_: HCMNOTIFICATION, _: *const c_void, _: CM_NOTIFY_ACTION, _: *const CM_NOTIFY_EVENT_DATA, _: u32) -> u32),
}

Variants

None

No value.

Some(unsafe extern "system" fn(_: HCMNOTIFICATION, _: *const c_void, _: CM_NOTIFY_ACTION, _: *const CM_NOTIFY_EVENT_DATA, _: u32) -> u32)

Some value of type T.