pub unsafe extern "system" fn PropVariantToDoubleVectorAlloc(
    propvar: *const PROPVARIANT,
    pprgn: *mut *mut f64,
    pcelem: *mut u32
) -> HRESULT
Expand description

Required features: "Win32_UI_Shell_PropertiesSystem", "Win32_Foundation", "Win32_System_Com_StructuredStorage"