/// <summary>
/// Serializes the structs, making PointerToStructPointers point to the area in memory where the
/// array of pointers to the structs is stored, setting StructSize to the size of one serialized struct,
/// and setting SerializedCount to the number of structs that have been serialized.
/// </summary>
public void Serialize()
{
if (IsDisposed)
{
throw new ObjectDisposedException(GetType().FullName);
}
// deallocate the previous pointers
DeallocateSerializedStructs();
StructSize = Marshal.SizeOf(typeof(T));
// marshal the structs individually
foreach (var theStruct in TheStructs)
{
var structPointer = Marshal.AllocHGlobal(StructSize.Value);
StructPointers.Add(structPointer);
Marshal.StructureToPtr(theStruct, structPointer, false);
}
// assemble the array of pointers to the structs
PointerToStructPointers = Marshal.AllocHGlobal(StructPointers.Count * IntPtr.Size);
Marshal.Copy(StructPointers.ToArray(), 0, PointerToStructPointers, StructPointers.Count);
// store SerializedCount
SerializedCount = TheStructs.Count;
}
protected void DeallocateSerializedStructs()
{
if (PointerToStructPointers != IntPtr.Zero)
{
Marshal.FreeHGlobal(PointerToStructPointers);
PointerToStructPointers = IntPtr.Zero;
}
foreach (var structPointer in StructPointers)
{
Marshal.DestroyStructure(structPointer, typeof(T));
Marshal.FreeHGlobal(structPointer);
}
StructPointers.Clear();
}
