/// <summary>
/// 进度条更改时
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void ProgBar_backgroundWorker_ProgressChanged(object sender, ProgressChangedEventArgs e)
{
if (ProgPauseflag == 0)
{
//进度条执行到80%时
if (Convert.ToInt32(FtoR_progressBarControl.EditValue.ToString()) > (0.8 * FtoR_progressBarControl.Properties.Maximum))
{
FtoR_progressBarControl.Properties.Step = 5000;
}
//进度条执行到90%时
if (Convert.ToInt32(FtoR_progressBarControl.EditValue.ToString()) > (0.9 * FtoR_progressBarControl.Properties.Maximum))
{
completingflag = 1;
ProgPauseflag = 1;
}
FtoR_progressBarControl.PerformStep();
}
else
//当前为暂停状态时，ProgPauseflag值为1
{
changestep = changestep + 5;
if (changestep * 10000 > changelength && completingflag == 0)
{
ProgPauseflag = 0;//完成循环，取消暂停状态
changestep = 0;
changelength = 0;
}
}
FtoR_progressBarControl.Update();
}
/// <summary>
/// 文件监测
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void FilesOnChanged(object source, FileSystemEventArgs e)
{
//当文件创建或更改时执行此方法
if (e.ChangeType == WatcherChangeTypes.Changed || e.ChangeType == WatcherChangeTypes.Created)
{
FileInfo prefile = new FileInfo(e.FullPath);
FileInfo file = null;
if (prefile.Extension == "")
{
file = new FileInfo(e.FullPath + "\\w001001.adf");
}
else
{
file = new FileInfo(e.FullPath);
}
//检查是否跨线程调用
if (FtoR_progressBarControl.InvokeRequired)
{
//将方法委托到主线程
methoddelegate mydelegate = new methoddelegate((object source1, FileSystemEventArgs e1) => FilesOnChanged(source, e));
FtoR_progressBarControl.Invoke(mydelegate, source, e);
}
else
{
FileSystemWatcher filewatcher = source as FileSystemWatcher;
if (Convert.ToInt32(FtoR_progressBarControl.EditValue.ToString()) == FtoR_progressBarControl.Properties.Maximum)
{
//根据进度条当前值判断转换结束
filewatcher.EnableRaisingEvents = false;
filewatcher.Changed -= new FileSystemEventHandler(FilesOnChanged);
filewatcher.Created -= new FileSystemEventHandler(FilesOnChanged);
return;
}
//停止计时，估算结果文件大小并重新设置进度条属性
watch.Stop();
if (FtoR_progressBarControl.Properties.Maximum == 100000)
{
int maximum = (int)watch.ElapsedMilliseconds * 2910;
FtoR_progressBarControl.Properties.Maximum = maximum;
FtoR_progressBarControl.Properties.Step = 10000;
}
int value = FtoR_progressBarControl.Properties.Maximum / 1000;
if (file.Exists)
{
if (Convert.ToInt32(FtoR_progressBarControl.EditValue.ToString()) <= (int)file.Length)
{
ProgPauseflag = 0;//文件长度大于进度条当前值
FtoR_progressBarControl.EditValue = file.Length;
}
else
{
ProgPauseflag = 1;//文件长度小于进度条当前值，暂停并等待
changelength = Convert.ToInt32(FtoR_progressBarControl.EditValue.ToString()) - (int)file.Length;
}
}
}
}
}
