/// <summary>
/// Set a safe array value
/// </summary>
/// <param name="array">The new value to set.</param>
internal void SetSafeArray(Array array)
{
if (array == null)
{
throw new ArgumentNullException(nameof(array));
}
const ushort vtUnknown = 13;
IntPtr psa = PropVariantNativeMethods.SafeArrayCreateVector(vtUnknown, 0, (uint)array.Length);
IntPtr pvData = PropVariantNativeMethods.SafeArrayAccessData(psa);
try // to remember to release lock on data
{
for (int i = 0; i < array.Length; ++i)
{
object obj = array.GetValue(i);
IntPtr punk = (obj != null) ? Marshal.GetIUnknownForObject(obj) : IntPtr.Zero;
Marshal.WriteIntPtr(pvData, i * IntPtr.Size, punk);
}
}
finally
{
PropVariantNativeMethods.SafeArrayUnaccessData(psa);
}
_valueType = (ushort)VarEnum.VT_ARRAY | (ushort)VarEnum.VT_UNKNOWN;
_ptr = psa;
}