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copied!<p>Here is more reliable way (as I said, Transaction.Current can be set manually and it doesn't always mean we are really in TransactionScope). It's also possible to get this information with reflection, but emiting IL works 100 times faster than reflection.</p> <pre><code>private Func<TransactionScope> _getCurrentScopeDelegate; bool IsInsideTransactionScope { get { if (_getCurrentScopeDelegate == null) { _getCurrentScopeDelegate = CreateGetCurrentScopeDelegate(); } TransactionScope ts = _getCurrentScopeDelegate(); return ts != null; } } private Func<TransactionScope> CreateGetCurrentScopeDelegate() { DynamicMethod getCurrentScopeDM = new DynamicMethod( "GetCurrentScope", typeof(TransactionScope), null, this.GetType(), true); Type t = typeof(Transaction).Assembly.GetType("System.Transactions.ContextData"); MethodInfo getCurrentContextDataMI = t.GetProperty( "CurrentData", BindingFlags.NonPublic | BindingFlags.Static) .GetGetMethod(true); FieldInfo currentScopeFI = t.GetField("CurrentScope", BindingFlags.NonPublic | BindingFlags.Instance); ILGenerator gen = getCurrentScopeDM.GetILGenerator(); gen.Emit(OpCodes.Call, getCurrentContextDataMI); gen.Emit(OpCodes.Ldfld, currentScopeFI); gen.Emit(OpCodes.Ret); return (Func<TransactionScope>)getCurrentScopeDM.CreateDelegate(typeof(Func<TransactionScope>)); } [Test] public void IsInsideTransactionScopeTest() { Assert.IsFalse(IsInsideTransactionScope); using (new TransactionScope()) { Assert.IsTrue(IsInsideTransactionScope); } Assert.IsFalse(IsInsideTransactionScope); } </code></pre>

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