Overview

Controls-Collection in Winforms-Controls will give you a list of all direct children. With a simple recursive function you will be able to find all controls available in control.

Snippet

	// helper class

    internal static class WinformsHelper
    {
        public static List<Control> FindAllControls(this Control control)
        {
            var result = new List<Control> {control};
            foreach (var ctrl in control.Controls.Cast<Control>()) result.AddRange(FindAllControls(ctrl));
            return result;
        }
	}
	
	....
	
	public class MyForm : Form
	{
		....
		public void FindControls()
		{
			var allControls = this.FindAllControls();
		}
	}