/// <summary>
/// “复制计划” 按钮的事件响应函数。
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void btnCopyForecastNumberList_Click(object sender, EventArgs e)
{
string forecastNumbers = string.Join(" ", mgr.GetNextPlanForecastList());
Clipboard.SetText(forecastNumbers);
AutoDelayCloseMessageBox.Show("复制成功", delayCloseMilliseconds);
//MessageBox.Show("复制成功！");
}