Andwho.Windows.Forms.QQTextBoxEx.OnMouseUp C# (CSharp) Method

        protected override void OnMouseUp(MouseEventArgs e)
        {
            base.OnMouseUp(e);
            if (this._icon != null && this._iconIsButton)
            {
                this.IconMouseState = EMouseState.Up;
                if (e.Button == MouseButtons.Left && this.IconRect.Contains(e.Location))
                    this.OnIconClick();
            }
        }