private string GetOutputName(ulong index)
{
IntPtr nameHandle = IntPtr.Zero;
string str = null;
IntPtr status = NativeMethods.ONNXRuntimeInferenceSessionGetOutputName(
_nativeHandle,
index,
NativeMemoryAllocator.DefaultInstance.Handle,
out nameHandle);
try
{
NativeApiStatus.VerifySuccess(status);
str = Marshal.PtrToStringAnsi(nameHandle); //assumes charset = ANSI
}
finally
{
if (nameHandle != IntPtr.Zero)
{
NativeMemoryAllocator.DefaultInstance.FreeMemory(nameHandle);
}
}
return(str);
}