Type Alias PGAUGE_CALLBACK 

pub type PGAUGE_CALLBACK = Option<unsafe extern "C" fn(arg1: PGAUGEHDR, arg2: SINT32, arg3: UINT32)>;

Aliased Type

pub enum PGAUGE_CALLBACK {
    None,
    Some(unsafe extern "C" fn(*mut GAUGEHDR, i32, u32)),
}

Variants

None

No value.

Some(unsafe extern "C" fn(*mut GAUGEHDR, i32, u32))

Some value of type T.