/// <summary>
/// 做Cancel操作
/// </summary>
private void ActionClear()
{
this.oscParam = 0;
this.oscString.Clear();
this.intermediate.Clear();
this.parameters.Clear();
this.unicodeText.Clear();
this.dcsStringHandler = null;
}
/// <summary>
/// When a final character has been recognised in a device control string, this state will establish a channel to a handler for the appropriate control function, and then pass all subsequent characters through to this alternate handler, until the data string is terminated
/// 当在设备控制字符串中识别出最后一个字符时，此状态将建立通向适当控制功能的处理程序的通道，然后将所有后续字符传递给此备用处理程序，直到数据字符串终止
/// </summary>
/// <param name="ch">final byte</param>
private void ActionDCSDispatch(byte ch)
{
// 根据最后一个字符判断要使用的DCS的事件处理器
this.dcsStringHandler = this.ActionDCSDispatch(ch, this.parameters);
if (this.dcsStringHandler != null)
{
// 获取到了该DCS事件处理器，那么要进入收集DCS后续字符的状态
this.EnterDCSPassThrough();
}
else
{
// 没获取到该DCS事件处理器（通常情况是没实现该处理器，不支持处理该事件），那么直接进入忽略DCS事件状态
this.EnterDCSIgnore();
}
}
