public static ReturnCode Take(
DataReader reader,
ref object[] data,
ref SampleInfo[] sampleInfos,
int maxSamples,
SampleStateKind sampleStates,
ViewStateKind viewStates,
InstanceStateKind instanceStates)
{
ReturnCode result = ReturnCode.Ok;
using (DataReaderMarshaler marshaler =
new DataReaderMarshaler(data, sampleInfos, ref maxSamples, ref result))
{
if (result == ReturnCode.Ok)
{
result = Gapi.FooDataReader.take(
reader.GapiPeer,
marshaler.dataValuesPtr,
marshaler.sampleInfosPtr,
maxSamples,
sampleStates,
viewStates,
instanceStates);
marshaler.CopyOut(ref data, ref sampleInfos);
}
}
return result;
}
public static InstanceHandle LookupInstance(
DataReader reader,
object instance)
{
GCHandle tmpGCHandleData = GCHandle.Alloc(instance, GCHandleType.Normal);
InstanceHandle handle = Gapi.FooDataReader.lookup_instance(
reader.GapiPeer,
GCHandle.ToIntPtr(tmpGCHandleData));
tmpGCHandleData.Free();
return handle;
}
public static ReturnCode GetKeyValue(
DataReader reader,
ref object key,
InstanceHandle instanceHandle)
{
GCHandle tmpGCHandleData = GCHandle.Alloc(key, GCHandleType.Normal);
ReturnCode result = Gapi.FooDataReader.get_key_value(
reader.GapiPeer,
GCHandle.ToIntPtr(tmpGCHandleData),
instanceHandle);
tmpGCHandleData.Free();
return result;
}
public static bool IsLoan(
DataReader reader,
ref object[] data,
ref SampleInfo[] sampleInfos)
{
GCHandle tmpGCHandleData = GCHandle.Alloc(data, GCHandleType.Normal);
IntPtr dataValuesPtr = GCHandle.ToIntPtr(tmpGCHandleData);
GCHandle tmpGCHandleInfo = GCHandle.Alloc(sampleInfos, GCHandleType.Normal);
IntPtr sampleInfosPtr = GCHandle.ToIntPtr(tmpGCHandleInfo);
byte result = Gapi.FooDataReader.is_loan(
reader.GapiPeer,
dataValuesPtr,
sampleInfosPtr);
tmpGCHandleData.Free();
tmpGCHandleInfo.Free();
return result != 0;
}
public static ReturnCode ReadWithCondition(
DataReader reader,
ref object[] data,
ref SampleInfo[] sampleInfos,
int maxSamples,
IReadCondition condition)
{
ReturnCode result = ReturnCode.Ok;
using (DataReaderMarshaler marshaler =
new DataReaderMarshaler(data, sampleInfos, ref maxSamples, ref result))
{
if (result == ReturnCode.Ok)
{
result = Gapi.FooDataReader.read_w_condition(
reader.GapiPeer,
marshaler.dataValuesPtr,
marshaler.sampleInfosPtr,
maxSamples,
((ReadCondition)condition).GapiPeer);
marshaler.CopyOut(ref data, ref sampleInfos);
}
}
return result;
}
public static ReturnCode TakeNextSample(
DataReader reader,
ref object data,
ref SampleInfo sampleInfo)
{
//ReturnCode result = Gapi.FooDataReader.take_next_sample(
// reader.GapiPeer,
// ref data,
// ref sampleInfo);
return ReturnCode.Unsupported;
}
