/// <summary>
 /// Handles the Click event of the c control.
 /// </summary>
 /// <param name="sender">The source of the event.</param>
 /// <param name="e">The <see cref="CrumbClickEventArgs"/> instance containing the event data.</param>
 static void c_Click(object sender, CrumbClickEventArgs e)
 {
     if ((sender as ZeroitBreadCrumb).Parent is ZeroitBreadCrumb)
     {
         ((sender as ZeroitBreadCrumb).Parent as ZeroitBreadCrumb).OnCrumbClick(e);
     }
 }
 /// <summary>
 /// Handles the <see cref="E:CrumbClick" /> event.
 /// </summary>
 /// <param name="e">The <see cref="CrumbClickEventArgs"/> instance containing the event data.</param>
 protected void OnCrumbClick(CrumbClickEventArgs e)
 {
     if (CrumbClick != null)
     {
         CrumbClick.Invoke(this, e);
     }
 }
        /// <summary>
        /// Raises the <see cref="E:System.Windows.Forms.Control.MouseUp" /> event.
        /// </summary>
        /// <param name="e">A <see cref="T:System.Windows.Forms.MouseEventArgs" /> that contains the event data.</param>
        protected override void OnMouseUp(MouseEventArgs e)
        {
            base.OnMouseUp(e);

            clicked = false;

            var ea = new CrumbClickEventArgs(Index, this.chk, this.chkclk, this);

            OnCrumbClick(ea);

            if (chkclk)
            {
                Checked = !Checked;
            }
            else
            {
                Checked = ea.CheckedAfter;
            }
        }