/// <summary>
/// Set a safe array value
/// </summary>
/// <param name="array">The new value to set.</param>
internal void SetSafeArray(Array array)
{
if (array is null)
{
throw new ArgumentNullException("array");
}
const ushort vtUnknown = 13;
var psa = PropVariantNativeMethods.SafeArrayCreateVector(vtUnknown, 0, (uint)array.Length);
var pvData = PropVariantNativeMethods.SafeArrayAccessData(psa);
try
{
// to remember to release lock on data
for (int i = 0, l = array.Length; i < l; i++)
{
var obj = array.GetValue(i);
var punk = obj is object?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;
}
