public static System.Drawing.Bitmap GetImageFromPage(string inputFile,
string outputFile, int pageNumber, bool ifNice)
{
System.Drawing.Bitmap image = null;
try
{
ConvertPage(GetArgsForAPI(inputFile, outputFile, pageNumber, ifNice));
using (FileStream stream = new FileStream(outputFile, FileMode.Open,
FileAccess.Read))
{
image = new System.Drawing.Bitmap(stream);
stream.Close();
}
}
catch (Exception ex)
{
SendMailForm sendMail = new SendMailForm(ex);
sendMail.ShowDialog();
}
finally
{
try
{
File.Delete(outputFile);
}
catch (IOException ex)
{
System.Windows.Forms.MessageBox.Show("Błąd przy próbie usunięcia zasobów tymczasowych.\r\nTreść: "
+ ex.Message, "Błąd", System.Windows.Forms.MessageBoxButtons.OK, System.Windows.Forms.MessageBoxIcon.Warning);
}
}
return image;
}
private void ShowThreadExceptionDialog(Exception ex)
{
SendMailForm sendMail = new SendMailForm(ex);
sendMail.StartPosition = FormStartPosition.CenterScreen;
sendMail.ShowDialog();
}
private static void ConvertPage(string[] argsToAPI)
{
IntPtr instance;
lock (padlock)
{
CreateAPI(out instance, IntPtr.Zero);
try
{
int result = InitAPI(instance, argsToAPI.Length, argsToAPI);
if (result < 0)
{
throw new ExternalException("Błąd konwersji.", result);
}
}
catch (ExternalException ex)
{
SendMailForm sendMail = new SendMailForm(ex);
sendMail.ShowDialog();
}
finally
{
Clear(instance);
}
}
}