/// <summary> /// Makes the context current on the calling thread. /// </summary> /// <param name="ctx"> /// A <see cref="IntPtr"/> that specify the context to be current on the calling thread, bound to /// thise device context. It can be IntPtr.Zero indicating that no context will be current. /// </param> /// <returns> /// It returns a boolean value indicating whether the operation was successful. /// </returns> /// <exception cref="NotSupportedException"> /// Exception thrown if the current platform is not supported. /// </exception> protected override bool MakeCurrentCore(IntPtr ctx) { using (Glx.XLock displayLock = new Glx.XLock(Display)) { return(Glx.MakeCurrent(Display, ctx != IntPtr.Zero ? _WindowHandle : IntPtr.Zero, ctx)); } }