stop flickering
//How to stop flickering //This answer is same for PictureBox, Form, Panel and etc. //First, add this library. using System.Reflection; //change "MyPanel" with your panel name. typeof(Panel).InvokeMember("DoubleBuffered", BindingFlags.SetProperty| BindingFlags.Instance | BindingFlags.NonPublic, null, MyPanel , new object[] { true });