public static T DeepClone <T>(T obj)
{
if (obj == null)
{
throw new ArgumentNullException("Object is null");
}
return((T)((object)DeepCloneHelper.CloneProcedure(obj)));
}
private static object CloneProcedure(object obj)
{
if (obj == null)
{
return(null);
}
Type type = obj.GetType();
if (type.IsPrimitive || type.IsEnum || type == typeof(string))
{
return(obj);
}
if (type.IsArray)
{
Type type2 = Type.GetType(type.FullName.Replace("[]", string.Empty));
Array array = obj as Array;
Array array2 = Array.CreateInstance(type2, array.Length);
for (int i = 0; i < array.Length; i++)
{
array2.SetValue(DeepCloneHelper.CloneProcedure(array.GetValue(i)), i);
}
return(array2);
}
if (type.IsClass || type.IsValueType)
{
object obj2 = Activator.CreateInstance(obj.GetType());
FieldInfo[] fields = type.GetFields(BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic);
FieldInfo[] array3 = fields;
for (int j = 0; j < array3.Length; j++)
{
FieldInfo fieldInfo = array3[j];
object value = fieldInfo.GetValue(obj);
if (value != null)
{
fieldInfo.SetValue(obj2, DeepCloneHelper.CloneProcedure(value));
}
}
return(obj2);
}
throw new ArgumentException("The object is unknown type");
}