pub type PFN_DrvQuerySpoolType = Option<unsafe extern "system" fn(dhpdev: DHPDEV, pwchtype: PCWSTR) -> BOOL>;

Aliased Type§

enum PFN_DrvQuerySpoolType {
    None,
    Some(unsafe extern "system" fn(_: DHPDEV, _: PCWSTR) -> BOOL),
}

Variants§

§1.0.0

None

No value.

§1.0.0

Some(unsafe extern "system" fn(_: DHPDEV, _: PCWSTR) -> BOOL)

Some value of type T.