Type Alias windows::Win32::UI::Controls::RichEdit::EDITSTREAMCALLBACK

pub type EDITSTREAMCALLBACK = Option<unsafe extern "system" fn(dwcookie: usize, pbbuff: *mut u8, cb: i32, pcb: *mut i32) -> u32>;

Aliased Type

enum EDITSTREAMCALLBACK {
    None,
    Some(unsafe extern "system" fn(_: usize, _: *mut u8, _: i32, _: *mut i32) -> u32),
}

Variants

None

No value.

Some(unsafe extern "system" fn(_: usize, _: *mut u8, _: i32, _: *mut i32) -> u32)

Some value of type T.