static void Copy()
{
var src = new Src { A = 3, B = 4 };
var dst = new Dest();
unsafe
{
Src* srcPtr = &src;
dst.Data = new byte[sizeof(Src)];
Marshal.Copy((IntPtr)srcPtr, dst.Data, 0, sizeof(Src));
}
}
static void Copy()
{
var str = "Hello";
var src = new Src {
A = 3,
B = 4,
StringHandle = GCHandle.Alloc(str, GCHandleType.Normal)
};
var dst = new Dest();
unsafe
{
Src* srcPtr = &src;
dst.Data = new byte[sizeof(Src)];
Marshal.Copy((IntPtr)srcPtr, dst.Data, 0, sizeof(Src));
}
// When you're sure no one can reference the string anymore
// (Including by accessing the data you put in dst.Data!)
src.StringHandle.Free();
}
