Type Alias PFND3DKMT_DESTROYDOORBELL 

pub type PFND3DKMT_DESTROYDOORBELL = Option<unsafe extern "system" fn(param0: *const D3DKMT_DESTROY_DOORBELL) -> NTSTATUS>;

Aliased Type

pub enum PFND3DKMT_DESTROYDOORBELL {
    None,
    Some(unsafe extern "system" fn(*const D3DKMT_DESTROY_DOORBELL) -> NTSTATUS),
}

Variants

None

No value.

Some(unsafe extern "system" fn(*const D3DKMT_DESTROY_DOORBELL) -> NTSTATUS)

Some value of type T.