我可能盯着同一个代码太久了,但我似乎无法让进度条在下面的代码中工作。有人有任何提示吗?
private void doBackgroundTIFConverter(object sender, DoWorkEventArgs e)
{
string tifFileName = (string)e.Argument;
bm = new Bitmap(tifFileName);
int total = bm.GetFrameCount(FrameDimension.Page);
document.Open();
cb = writer.DirectContent;
for (int k = 0; k < total; ++k)
{
backgroundTIFConverter.ReportProgress(k / total * 100);
bm.SelectActiveFrame(FrameDimension.Page, k);
iTextSharp.text.Image img = iTextSharp.text.Image.GetInstance(bm, ImageFormat.Bmp);
// scale the image to fit in the page
img.ScalePercent(72f / img.DpiX * 100);
img.SetAbsolutePosition(0, 0);
cb.AddImage(img);
document.NewPage();
}
bm.Dispose();
document.Close();
}
private void progressBackgroundTIFConverter(object sender, ProgressChangedEventArgs e)
{
splitProgressBar.Value = e.ProgressPercentage;
}
private void completedBackgroundTIFConverter(object sender, RunWorkerCompletedEventArgs e)
{
splitButton.Enabled = true;
}
private void completedBackgroundTIFConverter(object sender, RunWorkerCompletedEventArgs e)
{
splitButton.Enabled = true;
}