public bool GetFeature(byte reportId, byte[] data, int offset, int count)
{
lock (lockObject)
{
if (reference == null)
{
throw new InvalidOperationException("The HID reference is null.");
}
else if (reference.IsInvalid)
{
throw new InvalidOperationException("The HID reference is invalid");
}
featureBuffer[0] = reportId;
GCHandle gch = GCHandle.Alloc(featureBuffer, GCHandleType.Pinned);
bool ret = Hid.HidD_GetFeature(reference, gch.AddrOfPinnedObject(), (uint)(count + 1));
gch.Free();
if (ret)
{
Buffer.BlockCopy(featureBuffer, 1, data, offset, count);
}
return(ret);
}
}
public bool GetFeature <T>(byte reportId, T data)
where T : struct
{
lock (lockObject)
{
if (reference == null)
{
throw new InvalidOperationException("The HID reference is null.");
}
else if (reference.IsInvalid)
{
throw new InvalidOperationException("The HID reference is invalid");
}
featureBuffer[0] = reportId;
GCHandle gch = GCHandle.Alloc(featureBuffer, GCHandleType.Pinned);
bool ret = Hid.HidD_GetFeature(reference, gch.AddrOfPinnedObject(), (uint)Marshal.SizeOf <T>());
if (ret)
{
data = Marshal.PtrToStructure <T>(gch.AddrOfPinnedObject());
}
gch.Free();
return(ret);
}
}
public bool GetFeature(byte[] rawBuffer, int count)
{
lock (lockObject)
{
if (reference == null)
{
throw new InvalidOperationException("The HID reference is null.");
}
else if (reference.IsInvalid)
{
throw new InvalidOperationException("The HID reference is invalid");
}
GCHandle gch = GCHandle.Alloc(rawBuffer, GCHandleType.Pinned);
bool ret = Hid.HidD_GetFeature(reference, gch.AddrOfPinnedObject(), (uint)count);
gch.Free();
return(ret);
}
}
public bool GetFeature(int reportNumber, out byte[] result)
{
result = new byte[64];
result[0] = Convert.ToByte(reportNumber);
return(Hid.HidD_GetFeature(this._handle, ref result[0], result.Length));
}
