public void Add <T>(string key, ref T v)
{
var e = new StructElement
{
name = Marshal.StringToHGlobalAnsi(key),
type = TypeExtensions.GetTypeCode(typeof(T)),
offset = (short)size,
size = (short)TypeExtensions.GetSize(typeof(T)),
};
Add(e);
}
public static StructElement[] GetLayout(this Type type, out int size)
{
if (!type.IsUnManaged())
{
size = 0;
return(null);
}
var fieldInfos = type.GetFields(BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance);
int len = fieldInfos.Length;
StructElement[] layout = new StructElement[len];
size = 0;
for (int i = 0; i < len; i++)
{
var fieldInfo = fieldInfos[i];
ref var e = ref layout[i];
e.name = Marshal.StringToHGlobalAnsi(fieldInfo.Name);
e.type = GetTypeCode(fieldInfo.FieldType);
e.offset = (short)Marshal.OffsetOf(type, fieldInfo.Name);
e.size = (short)GetSize(fieldInfo.FieldType);
Debug.Assert(e.size != 0);
size += e.size;
}