GetChangedData

ConfirmitDataResult GetChangedData(string key, SurveyDataTransferDefBase dataTransferDef, ResponseToken token, long lastSynchronizedVersion)

//***************************************************
//
// GetChangedData
//
//***************************************************

// Initiate webservice
DataTransferSoapClient dataTransfer = new DataTransferSoapClient();

// Create a transfer definition
SurveyDataTransferDef transferDef = new SurveyDataTransferDef();

// Set the project id for the Confirmit project that data will be returned from
transferDef.ProjectId = projectId;

// Choose the form called "mySingle" from the top level ("responseid") and the form
// called "myOpenQuestion" from the loop-level named "l2"
transferDef.VariableCollections = new TransferVariableCollection[]
	{
		new TransferVariableCollection
			{
				LoopId = "responseid",
				VariableNames = new string[] {"mySingle"}
			},
		new TransferVariableCollection
			{
				LoopId = "l2",
				VariableNames = new string[] {"myOpenText"}
			}
	};

ResponseToken token = null;
ChangedDataResult result;
long lastSynchronizedVersion = 20;

// Gets the data that has a change tracking version greater than 20. Only the date points
// that have changed will be returned.
do
{
	result = dataTransfer.GetChangedData(key, transferDef, token, lastSynchronizedVersion);
	token = result.ResponseToken;

} while (!result.ResponseToken.LastDataSet);

lastSynchronizedVersion = token.ChangeTrackingVersion;