Type Alias windows::Win32::Graphics::Printing::PFN_DrvUpgradeRegistrySetting

pub type PFN_DrvUpgradeRegistrySetting = Option<unsafe extern "system" fn(hprinter: HANDLE, pfeature: PCSTR, poption: PCSTR) -> BOOL>;

Aliased Type

enum PFN_DrvUpgradeRegistrySetting {
    None,
    Some(unsafe extern "system" fn(_: HANDLE, _: PCSTR, _: PCSTR) -> BOOL),
}

Variants

None

No value.

Some(unsafe extern "system" fn(_: HANDLE, _: PCSTR, _: PCSTR) -> BOOL)

Some value of type T.