private void OnRemoveFileCmdExecute()
{
SelectedFile.Close();
int index = PdfFiles.IndexOf(SelectedFile);
App.Current.Dispatcher.Invoke(delegate { PdfFiles.RemoveAt(index); });
if (PdfFiles.Count > index)
{
SelectedFile = PdfFiles[index];
}
else if (PdfFiles.Any())
{
SelectedFile = PdfFiles[index - 1];
}
else
{
SelectedFile = null;
}
}
private void FileWorkerRunWorkerCompleted(object sender, RunWorkerCompletedEventArgs e)
{
string result = string.Empty;
SelectedFile = null;
if (e.Error != null)
{
result = "An error was thrown while loading PDF file(s): " + e.Error.ToString();
if (PdfFiles.Any())
{
SelectedFile = PdfFiles.Last();
}
}
else
{
object[] args = (object[])e.Result;
int skippedFiles = int.Parse(args[0].ToString());
int insertIndex = int.Parse(args[1].ToString());
if (PdfFiles.Any())
{
if (insertIndex == -1)
{
SelectedFile = PdfFiles.Last();
}
else if (insertIndex > 0 && insertIndex < PdfFiles.Count)
{
SelectedFile = PdfFiles[insertIndex - 1];
}
}
if (skippedFiles > 0)
{
result = string.Format("Due to PDF file errors, {0} PDF files could not be loaded.", skippedFiles);
}
}
ProgressStatus = result;
ProgressBarIsIndeterminate = false;
IsBusy = false;
}