/// <summary>
/// Aborts a linked undo transaction.
/// </summary>
public void Rollback()
{
if (!IsActive)
{
throw new InvalidOperationException("This operation can only be performed when a transaction is active.");
}
ErrorHandler.ThrowOnFailure(_mgr.AbortLinkedUndo());
_isActive = false;
}
public void Dispose()
{
AssertIsForeground();
// once either commit or disposed is called, don't do finalizer check
GC.SuppressFinalize(this);
if (_transactionAlive)
{
_service.ActiveTransactions--;
Marshal.ThrowExceptionForHR(_undoManager.AbortLinkedUndo());
_transactionAlive = false;
}
}