Type Definition windows_sys::Win32::Networking::WindowsWebServices::WS_IS_DEFAULT_VALUE_CALLBACK

pub type WS_IS_DEFAULT_VALUE_CALLBACK = Option<unsafe extern "system" fn(descriptiondata: *const c_void, value: *const c_void, defaultvalue: *const c_void, valuesize: u32, isdefault: *mut BOOL, error: *const WS_ERROR) -> HRESULT>;

Required features: "Win32_Networking_WindowsWebServices", "Win32_Foundation"