// Program methods
public void BuildProgram(Device[] deviceList, string options, ProgramNotify callback, object userData)
{
var dev = Device.ToIntPtr(deviceList);
var pfn = (ProgramNotifyData)null;
var pcb = (ProgramNotifyInternal)null;
var ptr = IntPtr.Zero;
if (callback != null) {
pfn = new ProgramNotifyData(callback, userData);
pcb = ProgramNotifyData.Callback;
ptr = GCHandle.ToIntPtr(pfn.Handle);
}
var err = NativeMethods.clBuildProgram(this.handle, (uint)dev.Length, dev, options, pcb, ptr);
if (err != ErrorCode.Success) {
throw new OpenClException(err);
}
}