pub type PFN_MAPPINGCALLBACKPROC = Option<unsafe extern "system" fn(pbag: *mut MAPPING_PROPERTY_BAG, data: *mut c_void, dwdatasize: u32, result: HRESULT)>;

Aliased Type§

enum PFN_MAPPINGCALLBACKPROC {
    None,
    Some(unsafe extern "system" fn(_: *mut MAPPING_PROPERTY_BAG, _: *mut c_void, _: u32, _: HRESULT)),
}

Variants§

§1.0.0

None

No value.

§1.0.0

Some(unsafe extern "system" fn(_: *mut MAPPING_PROPERTY_BAG, _: *mut c_void, _: u32, _: HRESULT))

Some value of type T.