Type Alias windows_sys::Wdk::System::SystemServices::PO_FX_DIRECTED_POWER_DOWN_CALLBACK

pub type PO_FX_DIRECTED_POWER_DOWN_CALLBACK = Option<unsafe extern "system" fn(context: *const c_void, flags: u32)>;

Aliased Type

enum PO_FX_DIRECTED_POWER_DOWN_CALLBACK {
    None,
    Some(unsafe extern "system" fn(_: *const c_void, _: u32)),
}

Variants

None

No value.

Some(unsafe extern "system" fn(_: *const c_void, _: u32))

Some value of type T.