Type Definition windows_sys::Win32::System::DataExchange::PFNCALLBACK

pub type PFNCALLBACK = Option<unsafe extern "system" fn(wtype: u32, wfmt: u32, hconv: HCONV, hsz1: HSZ, hsz2: HSZ, hdata: HDDEDATA, dwdata1: usize, dwdata2: usize) -> HDDEDATA>;

Required features: "Win32_System_DataExchange"