Type Alias windows_sys::Win32::System::Diagnostics::Etw::PENABLECALLBACK

pub type PENABLECALLBACK = Option<unsafe extern "system" fn(sourceid: *const GUID, isenabled: ENABLECALLBACK_ENABLED_STATE, level: u8, matchanykeyword: u64, matchallkeyword: u64, filterdata: *const EVENT_FILTER_DESCRIPTOR, callbackcontext: *mut c_void)>;

Aliased Type

enum PENABLECALLBACK {
    None,
    Some(unsafe extern "system" fn(_: *const GUID, _: u32, _: u8, _: u64, _: u64, _: *const EVENT_FILTER_DESCRIPTOR, _: *mut c_void)),
}

Variants

None

No value.

Some(unsafe extern "system" fn(_: *const GUID, _: u32, _: u8, _: u64, _: u64, _: *const EVENT_FILTER_DESCRIPTOR, _: *mut c_void))

Some value of type T.