Type Alias windows_sys::Wdk::System::SystemServices::PO_FX_POWER_CONTROL_CALLBACK

pub type PO_FX_POWER_CONTROL_CALLBACK = Option<unsafe extern "system" fn(devicecontext: *const c_void, powercontrolcode: *const GUID, inbuffer: *const c_void, inbuffersize: usize, outbuffer: *mut c_void, outbuffersize: usize, bytesreturned: *mut usize) -> NTSTATUS>;

Required features: "Win32_Foundation"

Aliased Type

enum PO_FX_POWER_CONTROL_CALLBACK {
    None,
    Some(unsafe extern "system" fn(_: *const c_void, _: *const GUID, _: *const c_void, _: usize, _: *mut c_void, _: usize, _: *mut usize) -> i32),
}

Variants

None

No value.

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

Some value of type T.