internal static int GetRecordLength(object o, int PackSize = -1)
{
if (o == null)
{
return(0);
}
StructUtils.StructByteLengthHandler byteLengthHandler = new StructUtils.StructByteLengthHandler(PackSize);
IRecordEnum intfRecEnum = (IRecordEnum)byteLengthHandler;
if (intfRecEnum == null)
{
throw ExceptionUtils.VbMakeException(5);
}
StructUtils.EnumerateUDT((ValueType)o, intfRecEnum, false);
return(byteLengthHandler.Length);
}
internal static object EnumerateUDT(ValueType oStruct, IRecordEnum intfRecEnum, bool fGet)
{
Type type = oStruct.GetType();
if (Information.VarTypeFromComType(type) != VariantType.UserDefinedType || type.IsPrimitive)
{
throw new ArgumentException(Utils.GetResourceString("Argument_InvalidValue1", new string[1]
{
nameof(oStruct)
}));
}
FieldInfo[] fields = type.GetFields(BindingFlags.Instance | BindingFlags.Public);
int num1 = 0;
int upperBound = fields.GetUpperBound(0);
int num2 = num1;
int num3 = upperBound;
int index = num2;
while (index <= num3)
{
FieldInfo FieldInfo = fields[index];
Type fieldType = FieldInfo.FieldType;
object obj = FieldInfo.GetValue((object)oStruct);
if (Information.VarTypeFromComType(fieldType) == VariantType.UserDefinedType)
{
if (fieldType.IsPrimitive)
{
throw ExceptionUtils.VbMakeException((Exception) new ArgumentException(Utils.GetResourceString("Argument_UnsupportedFieldType2", FieldInfo.Name, fieldType.Name)), 5);
}
StructUtils.EnumerateUDT((ValueType)obj, intfRecEnum, fGet);
}
else
{
intfRecEnum.Callback(FieldInfo, ref obj);
}
if (fGet)
{
FieldInfo.SetValue((object)oStruct, obj);
}
checked { ++index; }
}
return((object)null);
}