Type Alias PFNCALLBACK 

pub type PFNCALLBACK = Option<unsafe extern "C" fn(wType: UINT, wFmt: UINT, hConv: HCONV, hsz1: HSZ, hsz2: HSZ, hData: HDDEDATA, dwData1: ULONG_PTR, dwData2: ULONG_PTR) -> HDDEDATA>;

Aliased Type

pub enum PFNCALLBACK {
    None,
    Some(unsafe extern "C" fn(u32, u32, *mut HCONV__, *mut HSZ__, *mut HSZ__, *mut HDDEDATA__, u64, u64) -> *mut HDDEDATA__),
}

Variants

None

No value.

Some(unsafe extern "C" fn(u32, u32, *mut HCONV__, *mut HSZ__, *mut HSZ__, *mut HDDEDATA__, u64, u64) -> *mut HDDEDATA__)

Some value of type T.