C# WinForm 按名称查找控件

/// <summary>
/// 按名称查找控件
/// </summary>
/// <param name="parentControl">查找控件的父容器控件</param>
/// <param name="findCtrlName">查找控件名称</param>
/// <returns>若没有查找到返回NULL</returns>
public static Control FindControl(Control parentControl, string findCtrlName)
{
    if (!string.IsNullOrEmpty(findCtrlName) && parentControl != null)
    {
        foreach (Control ctrl in parentControl.Controls)
        {
            Control _findedControl;
            if (ctrl.Name.Equals(findCtrlName))
            {
                _findedControl = ctrl;
                return _findedControl;
            }
            else if (ctrl.Controls.Count > 0)
            {
                _findedControl = FindControl(ctrl, findCtrlName);
                if (_findedControl != null)
                {
                    return _findedControl;
                }
            }
        }
    }
    return null;
}