protected bool SourcePrior()
{
RemoteMoveData moveData = _cursor.MoveBy(-1, _plan._process.GetProcessCallInfo());
SetFlags(moveData.Flags);
_plan._programStatisticsCached = false;
return(moveData.Flags == CursorGetFlags.None);
}
/// <summary> Provides a mechanism for navigating the cursor by a specified number of rows. </summary>
/// <param name='delta'> The number of rows to move by, with a negative value indicating backwards movement. </param>
/// <returns> A <see cref="RemoteMoveData"/> structure containing the result of the move. </returns>
public RemoteMoveData MoveBy(int delta, ProcessCallInfo callInfo)
{
_plan.Process.ProcessCallInfo(callInfo);
try
{
RemoteMoveData moveData = new RemoteMoveData();
moveData.Count = _serverCursor.MoveBy(delta, out moveData.Flags);
return(moveData);
}
catch (Exception E)
{
throw WrapException(E);
}
}
