public ICollection <RadioInfo> List()
{
var info = new NativeDefinitions.RadioInfo2();
var ptr = Marshal.AllocHGlobal((int)info.bLength);
var structSize = 0;
var count = G313Api.GetRadioList(ptr, (int)info.bLength, ref structSize);
if (info.bLength != structSize)
{
throw new InvalidOperationException("info size mismatch");
}
Marshal.PtrToStructure(ptr, info);
Marshal.FreeHGlobal(ptr);
return(count > 1 ? ListBig(count, structSize) : new[] { new RadioInfo(info) });
}
private static ICollection <RadioInfo> ListBig(int deviceCount, int size)
{
var bufferSize = deviceCount * size;
var ptr = Marshal.AllocHGlobal(bufferSize);
var structSize = 0;
var count = G313Api.GetRadioList(ptr, bufferSize, ref structSize);
var buffer = ToManagedStructure <NativeDefinitions.RadioInfo2>(ptr, structSize, count);
Marshal.FreeHGlobal(ptr);
if (count != deviceCount)
{
throw new InvalidOperationException("device count mismatch!");
}
return(buffer.Select(raw => new RadioInfo(raw)).ToArray());
}
