private async void ListOfPresentersButton_Click(object sender, RoutedEventArgs e)
{
if (SessionsBox.SelectedIndex >= 0)
{
ListOfPresentersButton.IsEnabled = false;
try
{
byte[] document = null;
if (SpecialCheck.IsChecked.Value)
{
document = await core.GetPresentersListAsync(null, ((SpecialSessionDTO)SessionsBox.SelectedItem).SpecialSessionId);
}
else
{
document = await core.GetPresentersListAsync(((SessionDTO)SessionsBox.SelectedItem).SessionId, null);
}
SaveFileDialog saveFileDialog = new SaveFileDialog
{
AddExtension = true,
Filter = "pdf files (*.pdf)|*.pdf",
FileName = $"List of presenters for {(SpecialCheck.IsChecked.Value ? ((SpecialSessionDTO)SessionsBox.SelectedItem).Title : ((SessionDTO)SessionsBox.SelectedItem).Title)}.pdf"
};
if ((bool)saveFileDialog.ShowDialog())
{
using (BinaryWriter writer = new BinaryWriter(File.Open(saveFileDialog.FileName, FileMode.Create)))
{
writer.Write(document);
}
}
}
catch (IOException)
{
MessageBox.Show("Cannot override the file. The file may be opened.");
}
catch
{
MessageBox.Show("Error downloading list of presenters");
}
ListOfPresentersButton.IsEnabled = true;
}
}
