public Image SelectImage(string pdfFileName)
{
PdfImageViewer viewer;
try
{
viewer = new PdfImageViewer(pdfFileName);
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
return(null);
}
try
{
pages.Items.Clear();
for (int i = 0; i < viewer.PageCount; i++)
{
int k = viewer.GetImageNames(i).Length;
if (k > 0)
{
pages.Items.Add(i + 1);
}
}
if (pages.Items.Count == 0)
{
MessageBox.Show("Images in PDF file are not found.", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
return(null);
}
pages.SelectedIndex = 0;
if (pages.Items.Count == 1)
{
return(GetImageFromPage(viewer, 0));
}
label1.Text = string.Format(_labelText, pages.Items.Count);
_selected = false;
ShowDialog();
if (_selected)
{
Image result = GetImageFromPage(viewer, (int)pages.SelectedItem - 1);
return(result);
}
return(null);
}
finally
{
viewer.Dispose();
}
}
/// <summary>
/// Select PDF page and returns page images as single image.
/// </summary>
public static BitmapSource SelectPdfPageImage(string filename, ref int pageIndex)
{
// create PdfImageViewer
PdfImageViewer viewer;
try
{
viewer = new PdfImageViewer(filename);
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, "Error", MessageBoxButton.OK, MessageBoxImage.Error);
return(null);
}
try
{
// collect pages with images
List <int> pageWithImages = new List <int>();
for (int i = 0; i < viewer.PageCount; i++)
{
string[] imageNames = viewer.GetImageNames(i);
if (imageNames.Length > 0)
{
pageWithImages.Add(i);
}
}
if (pageWithImages.Count == 0)
{
MessageBox.Show("Images in PDF file are not found.", "Error", MessageBoxButton.OK, MessageBoxImage.Error);
return(null);
}
if (pageWithImages.Count > 1)
{
// select page
SelectPdfPageWindow selectPdfPageWindow = new SelectPdfPageWindow(pageWithImages.ToArray());
selectPdfPageWindow.ShowDialog();
pageIndex = pageWithImages[selectPdfPageWindow.pagesComboBox.SelectedIndex];
}
else
{
pageIndex = pageWithImages[0];
}
return(GetPdfPageImage(viewer, pageIndex));
}
finally
{
viewer.Dispose();
}
}