/// <summary>
/// Default constructor for creating InteropRecipientCollection.
/// </summary>
/// <param name="outer"></param>
public InteropRecipientCollection(RecipientCollection outer)
{
_count = outer.Count;
if (_count == 0)
{
_handle = IntPtr.Zero;
return;
}
// allocate enough memory to hold all recipients
int size = Marshal.SizeOf(typeof(MapiMailMessage.MAPIHelperInterop.MapiRecipDesc));
_handle = Marshal.AllocHGlobal(_count * size);
// place all interop recipients into the memory just allocated
int ptr = (int)_handle;
foreach (Recipient native in outer)
{
MapiMailMessage.MAPIHelperInterop.MapiRecipDesc interop = native.GetInteropRepresentation();
// stick it in the memory block
Marshal.StructureToPtr(interop, (IntPtr)ptr, false);
ptr += size;
}
}
/// <summary>
/// Returns an interop representation of a recepient.
/// </summary>
/// <returns></returns>
internal MapiMailMessage.MAPIHelperInterop.MapiRecipDesc GetInteropRepresentation()
{
MapiMailMessage.MAPIHelperInterop.MapiRecipDesc interop = new MapiMailMessage.MAPIHelperInterop.MapiRecipDesc();
if (DisplayName == null)
{
interop.Name = Address;
}
else
{
interop.Name = DisplayName;
interop.Address = Address;
}
interop.RecipientClass = (int)RecipientType;
return(interop);
}