<div className={"ant-select ant-select-single ant-select-show-arrow"+(size==="small"?" ant-select-sm":"")} onClick={this.handleOpen.bind(this, $event)}>

      <div className="ant-select-selector">
          <span className="ant-select-selection-item">{state.label}</span>

      </div>

      <span className="ant-select-arrow">

          <antd-icon type="DownOutlined"></antd-icon>

      </span>
      <span hidden>{children}</span>

  </div>