Function windows::Win32::Devices::DeviceAndDriverInstallation::SetupDiGetClassPropertyW

pub unsafe fn SetupDiGetClassPropertyW(
    classguid: *const GUID,
    propertykey: *const DEVPROPKEY,
    propertytype: *mut DEVPROPTYPE,
    propertybuffer: Option<&mut [u8]>,
    requiredsize: Option<*mut u32>,
    flags: u32
) -> Result<()>