public void 显示采集(显示采集频率 _显示采集频率) { this._显示采集频率 = _显示采集频率; this.采集模块.Visible = true; this.采集频率1.SelectedIndex = 0; this.采集频率1.SelectedIndexChanged += new EventHandler(采集频率1_SelectedIndexChanged); this.采集频率1.TextChanged += new EventHandler(采集频率1_Text_Changed); }