private void Intialize()
{
NativeWindow = RetrieveNativeWindow();
Window.EnsureNative();
OpenGLContext = PlatformHelper.CreateOpenGLContext(FramebufferFormat, GLVersionMajor, GLVersionMinor, ContextFlags, DirectRendering, SharedContext);
OpenGLContext.Initialize(NativeWindow);
OpenGLContext.MakeCurrent(NativeWindow);
_initialized = true;
Initialized?.Invoke(this, EventArgs.Empty);
}