public override void Open()
{
if (HasDelegatedTransaction)
{
throw new InvalidOperationException(Res.GetString("ADP_ConnectionNotEnlisted"));
}
Open(false);
if (IsEnlisted && (Transaction)null != System.Transactions.Transaction.Current)
{
try {
Enlist(System.Transactions.Transaction.Current);
SqlCeDelegatedTransaction delegatedTransaction = DelegatedTransaction;
for (int i = 0; i < weakReferenceCache.Count; i++)
{
object @object = weakReferenceCache.GetObject(i);
if (@object is SqlCeCommand)
{
((SqlCeCommand)@object).Transaction = delegatedTransaction.SqlCeTransaction;
}
}
} catch {
Close();
throw;
}
}
}
public override void EnlistTransaction(Transaction SysTrans)
{
if ((Transaction)null == SysTrans)
{
string message = string.Format(CultureInfo.InvariantCulture, "SysTrans");
throw new NullReferenceException(message);
}
if (IsEnlisted)
{
if (Transaction != null)
{
throw new InvalidOperationException(Res.GetString("ADP_LocalTransactionPresent"));
}
if (DelegatedTransaction == null && ConnectionState.Open == State)
{
Enlist(SysTrans);
SqlCeDelegatedTransaction delegatedTransaction = DelegatedTransaction;
for (int i = 0; i < weakReferenceCache.Count; i++)
{
object @object = weakReferenceCache.GetObject(i);
if (@object is SqlCeCommand)
{
((SqlCeCommand)@object).Transaction = delegatedTransaction.SqlCeTransaction;
}
}
}
else if (!HasDelegatedTransaction || !(SysTrans == DelegatedTransaction.Transaction))
{
throw new InvalidOperationException(Res.GetString("ADP_ConnectionNotEnlisted"));
}
}
}
internal void Enlist(Transaction tx)
{
if ((Transaction)null == tx)
{
string message = string.Format(CultureInfo.InvariantCulture, "transaction");
throw new NullReferenceException(message);
}
SqlCeDelegatedTransaction sqlCeDelegatedTransaction = new SqlCeDelegatedTransaction(this, tx);
if (tx.EnlistPromotableSinglePhase(sqlCeDelegatedTransaction))
{
_delegatedTransaction = sqlCeDelegatedTransaction;
return;
}
throw new InvalidOperationException(Res.GetString("ADP_ConnectionNotEnlisted"));
}