Method fireClick

packages/fairygui/src/widgets/GButton.ts:335–342

* Fire a click event programmatically * 程序化触发点击事件

(bDownEffect: boolean = true)

     * 程序化触发点击事件
     */
    public fireClick(bDownEffect: boolean = true): void {
        if (bDownEffect && this._mode === EButtonMode.Common) {
            this.setState(GButton.OVER);
            setTimeout(() => this.setState(GButton.DOWN), 100);
            setTimeout(() => this.setState(GButton.UP), 200);
        }
        this.handleClick();
    }

    /**
     * Set button state