public static void CopyShallow(object source, object target)
{
if (source == null)
{
throw new ArgumentNullException("source");
}
if (target == null)
{
throw new ArgumentNullException("target");
}
Type t = source.GetType();
if (target.GetType() != t)
{
throw new ArgumentException("Object types must be equal.");
}
byte[] data = new byte[UnsafeTools.BaseInstanceSizeOf(t) - IntPtr.Size];
InteropTools.Pin(
source, o1 => {
var ptr = UnsafeTools.GetAddress(o1);
Marshal.Copy(ptr, data, 0, data.Length);
}
);
InteropTools.Pin(
target, o2 => {
var ptr = UnsafeTools.GetAddress(o2);
Marshal.Copy(data, 0, ptr, data.Length);
}
);
}
public static unsafe int GetOffset(this FieldInfo field)
{
return(InteropTools.Pin(
FormatterServices.GetUninitializedObject(field.DeclaringType),
delegate(object inst)
{
TypedReference tr0, tr1;
TypedReferenceTools.MakeTypedReference(&tr0, inst);
TypedReferenceTools.MakeTypedReference(&tr1, inst, field);
byte *p0 = (byte *)tr0.ToPointer();
byte *p1 = (byte *)tr1.ToPointer();
return (int)(p1 - p0);
}
));
}
/// <summary>
/// Pins an object in a memory and constructs its pin handle.
/// </summary>
/// <param name="obj">The object to pin.</param>
public ObjectPinHandle(object obj)
{
Object = obj;
using (var re1 = new AutoResetEvent(false))
{
var thr = new Thread(
delegate()
{
InteropTools.Pin(
obj,
delegate {
re1.Set();
Reset.WaitOne();
}
);
}
);
thr.Start();
re1.WaitOne();
}
}
