C# 화면 깜빡임 DoubleBuffered

		protected override CreateParams CreateParams//DoubleBuffered
		{
			get
			{
				CreateParams cp = base.CreateParams;
				cp.ExStyle |= 0x02000000;  // Turn on WS_EX_COMPOSITED
				return cp;
			}
		}
		private void Form1_Load(object sender, EventArgs e)
		{
        	...