Type Alias windows_sys::Win32::Media::Multimedia::VFWWDMExtensionProc

pub type VFWWDMExtensionProc = Option<unsafe extern "system" fn(pfndeviceiocontrol: *mut c_void, pfnaddpropertypage: LPFNSVADDPROPSHEETPAGE, lparam: LPARAM) -> u32>;

Aliased Type

enum VFWWDMExtensionProc {
    None,
    Some(unsafe extern "system" fn(_: *mut c_void, _: Option<unsafe extern "system" fn(_: *mut c_void, _: isize) -> i32>, _: isize) -> u32),
}

Variants

None

No value.

Some(unsafe extern "system" fn(_: *mut c_void, _: Option<unsafe extern "system" fn(_: *mut c_void, _: isize) -> i32>, _: isize) -> u32)

Some value of type T.