void OnProgress()
{
if (OnDataChanged != null)
{
//通知进度改变，进度值( Value = 0 ~ 100 )
int progressValue = 100 * curReadbytes / curDataLen;
if (progressValue < preProgressValue) return;
preProgressValue = progressValue;
ImageHandlerEventArgs eventArgs = new ImageHandlerEventArgs(RunMode.Image);
eventArgs.OperState = OperationState.Progress;
eventArgs.Value = progressValue;
OnDataChanged(this, eventArgs);
}
}
public void ReceiveDataACK(DataPackage pkgData)
{
//收到确认数据【采集器→主机】
Struct_OKWord okWord = new Struct_OKWord();
byte status_ctl;
byte recNo;
byte[] dataBuffer = pkgData.PureData;
using (MemoryStream ms = new MemoryStream(dataBuffer))
{
using (BinaryReader br = new BinaryReader(ms))
{
status_ctl = br.ReadByte(); //输出开关量状态
okWord.OkWord = br.ReadByte();
recNo = br.ReadByte(); //要确认的文件记录号，默认为 0。
}
}
if ((recNo == curRecNo) && (okWord.FileType == AckFileType.Image))
{
//文件读取结束，通知主程序
if (curStream != null) curStream.Close();
if (curBinaryWriter != null) curBinaryWriter.Close();
if (OnDataChanged != null)
{
//通知文件读取结束
ImageHandlerEventArgs eventArgs = new ImageHandlerEventArgs(RunMode.Image);
eventArgs.OperState = OperationState.ReadComplete;
eventArgs.RecNo = curRecNo;
eventArgs.fileName = curFileName;
OnDataChanged(this, eventArgs);
}
}
}
