/// <summary>
/// The ForEach method.
/// </summary>
/// <example>
/// This sample shows how to call the<see cref="ForEach"/> method.
/// <code>
/// class MainForm : Form
/// {
/// void SetAllTexboxesReadOnly()
/// {
/// this.Controls.ForEach<TextBox>((tb) => tb.ReadOnly = true);
/// }
/// }
/// </code>
/// </example>
public static void ForEach <TControlType>(this Control.ControlCollection controls, Action <TControlType> action) where TControlType : Control
{
var selectedControls = controls.GetControlsByType <TControlType>();
selectedControls.ForEach(action);
}