How to avoid flickering in TableLayoutPanel in c#.net

Question

I am using a TableLayoutPanel for attendance marking purposes. I have added controls (a Panel and a Label) inside of this TableLayoutPanel and created events for them. In some conditions I have cleared all of the controls and proceeded to bind the same controls in different position of TableLayoutPanel. While re-binding the controls, the TableLayoutPanel flickers and is far too slow in initializing.

Answer 1

Suspend the layout until you've added all your controls on.

TableLayoutPanel panel = new TabelLayoutPanel();
panel.SuspendLayout();

// add controls

panel.ResumeLayout();

Also look at using Double Buffering. You'll have to create a sub-class of the TableLayoutPanel. See an example here.

Answer 2

//Call this function on form load.
SetDoubleBuffered(tableLayoutPanel1);


public static void SetDoubleBuffered(System.Windows.Forms.Control c)
        {
            if (System.Windows.Forms.SystemInformation.TerminalServerSession)
                return;
            System.Reflection.PropertyInfo aProp = typeof(System.Windows.Forms.Control).GetProperty("DoubleBuffered",
            System.Reflection.BindingFlags.NonPublic |
            System.Reflection.BindingFlags.Instance);
            aProp.SetValue(c, true, null);
        }

//Works perfectly the double buffered solution for table layout panel and no flickering happens