windows::Win32::UI::Controls

Type Alias PFNDPASTREAM

pub type PFNDPASTREAM = Option<unsafe extern "system" fn(pinfo: *const DPASTREAMINFO, pstream: Ref<'_, IStream>, pvinstdata: *const c_void) -> HRESULT>;

Aliased Type§

enum PFNDPASTREAM {
    None,
    Some(unsafe extern "system" fn(_: *const DPASTREAMINFO, _: Ref<'_, IStream>, _: *const c_void) -> HRESULT),
}

Variants§

§1.0.0

None

No value.

§1.0.0

Some(unsafe extern "system" fn(_: *const DPASTREAMINFO, _: Ref<'_, IStream>, _: *const c_void) -> HRESULT)

Some value of type T.