public ICollection <LegacyRadioInfo> ListLegacy()
{
var info = new NativeDefinitions.OldRadioInfo();
var ptr = Marshal.AllocHGlobal(info.bLength);
var count = G313Api.G3GetRadioList(ptr, info.bLength);
Marshal.PtrToStructure(ptr, info);
Marshal.FreeHGlobal(ptr);
return(count > 1 ? ListLegacyBig((int)count, info.bLength) : new[] { new LegacyRadioInfo(info) });
}
private static ICollection <LegacyRadioInfo> ListLegacyBig(int deviceCount, int size)
{
var bufferSize = deviceCount * size;
var ptr = Marshal.AllocHGlobal(bufferSize);
var count = G313Api.G3GetRadioList(ptr, bufferSize);
var buffer = ToManagedStructure <NativeDefinitions.OldRadioInfo>(ptr, size, (int)count);
Marshal.FreeHGlobal(ptr);
if (count != deviceCount)
{
throw new InvalidOperationException("device count mismatch!");
}
return(buffer.Select(raw => new LegacyRadioInfo(raw)).ToArray());
}
