/// <summary>
/// 读卡请求出栈
/// </summary>
public void PopCardReadRequest(CardReadEventHandler cardReadCallBack)
{
if (_CardReadCallBackStack.Count > 0 && _CardReadCallBackStack.Peek() != null && _CardReadCallBackStack.Peek() == cardReadCallBack)
{
_CardReadCallBackStack.Pop();
if (_CardReadCallBackStack.Count == 0)
{
StopReadCard();
}
}
}
/// <summary>
/// 读卡请求入栈，读卡器读到卡号后调用读卡请求堆栈中的第一个回调函数(目前事件产生时不在UI线程,使用窗体编程时要注意用Invoke方法)
/// </summary>
/// <param name="cardReadCallBack"></param>
public void PushCardReadRequest(CardReadEventHandler cardReadCallBack)
{
if (_CardReadCallBackStack.Count > 0 && _CardReadCallBackStack.Peek() == cardReadCallBack)
{
//do nothing
}
else
{
_CardReadCallBackStack.Push(cardReadCallBack);
BeginReadCard();
}
}
