private void 清除队列ToolStripMenuItem_Click(object sender, EventArgs e)
{
List <ListViewItem> deleteLviList = new List <ListViewItem>();
foreach (ListViewItem lvi in lvQueue.Items)
{
deleteLviList.Add(lvi);
}
foreach (ListViewItem lvi in deleteLviList)
{
RemoveListViewItem(lvi);
}
CurrentTransferQueue.ClearQueue();
}