/// <summary>
/// Returns the property IDs and values for all data contained in this data report.
/// </summary>
/// <returns>A dictionary mapping property IDs to values.</returns>
public IDictionary <PropertyKey, object> GetDataFields()
{
Dictionary <PropertyKey, object> reportData = new Dictionary <PropertyKey, object>();
IPortableDeviceValues valuesCollection;
_iSensorReport.GetSensorValues(null, out valuesCollection);
uint nItems = 0;
valuesCollection.GetCount(ref nItems);
for (uint i = 0; i < nItems; i++)
{
PropertyKey propKey = new PropertyKey();
PROPVARIANT propValue = new PROPVARIANT();
valuesCollection.GetAt(i, ref propKey, out propValue);
try
{
reportData.Add(propKey, propValue.Value);
}
finally
{
propValue.Clear();
}
}
return(reportData);
}
internal static SensorData FromNativeReport(ISensor iSensor, ISensorDataReport iReport)
{
SensorData data = new SensorData( );
IPortableDeviceKeyCollection keyCollection;
IPortableDeviceValues valuesCollection;
iSensor.GetSupportedDataFields(out keyCollection);
iReport.GetSensorValues(keyCollection, out valuesCollection);
uint items = 0;
keyCollection.GetCount(out items);
for (uint index = 0; index < items; index++)
{
PropertyKey key;
PropVariant propValue;
keyCollection.GetAt(index, out key);
valuesCollection.GetValue(ref key, out propValue);
try
{
if (data.ContainsKey(key.FormatId))
{
data[key.FormatId].Add(propValue.Value);
}
else
{
data.Add(key.FormatId, new List <object> {
propValue.Value
});
}
}
finally
{
propValue.Clear( );
}
}
if (keyCollection != null)
{
Marshal.ReleaseComObject(keyCollection);
keyCollection = null;
}
if (valuesCollection != null)
{
Marshal.ReleaseComObject(valuesCollection);
valuesCollection = null;
}
return(data);
}