Type Alias windows::Win32::Devices::Display::PFN_DrvDescribePixelFormat

pub type PFN_DrvDescribePixelFormat = Option<unsafe extern "system" fn(param0: DHPDEV, param1: i32, param2: u32, param3: *mut PIXELFORMATDESCRIPTOR) -> i32>;

Aliased Type

enum PFN_DrvDescribePixelFormat {
    None,
    Some(unsafe extern "system" fn(_: DHPDEV, _: i32, _: u32, _: *mut PIXELFORMATDESCRIPTOR) -> i32),
}

Variants

None

No value.

Some(unsafe extern "system" fn(_: DHPDEV, _: i32, _: u32, _: *mut PIXELFORMATDESCRIPTOR) -> i32)

Some value of type T.