/// <summary>
/// The main method call to print an array of files in a specified folder
/// </summary>
/// <param name="ACaller">The calling screen. This must implement the IPrintProgress interface</param>
/// <param name="APrinterName">Name of the printer to print to</param>
/// <param name="AFolderPath">Full path to the folder containing the files</param>
/// <param name="AFiles">The files to print</param>
public void StartPrintingAsync(IPrintProgress ACaller, string APrinterName, string AFolderPath, string[] AFiles)
{
FCallerForm = ACaller;
BackgroundWorkerArgument args = new BackgroundWorkerArgument(APrinterName, AFolderPath, AFiles);
FBackgroundWorker.RunWorkerAsync(args);
}
/// <summary>
/// The main method call to print all files in a specified folder. The method displays a Printer Dialog
/// </summary>
/// <param name="ACaller">The calling screen. This must implement the IPrintProgress interface</param>
/// <param name="AFolderPath">Full path to the folder containing the files</param>
public void StartPrintingAsync(IPrintProgress ACaller, string AFolderPath)
{
FCallerForm = ACaller;
string printerName = null;
using (PrintDialog pd = new PrintDialog())
{
if (pd.ShowDialog() != DialogResult.OK)
{
RunWorkerCompletedEventArgs completedArgs = new RunWorkerCompletedEventArgs(null, null, true);
ACaller.AsyncPrintingCompleted(completedArgs);
return;
}
// Remember this for use lower down
printerName = String.Format("\"{0}\"", pd.PrinterSettings.PrinterName);
}
// Get all the files in the specified folder
string[] allFiles = Directory.GetFiles(AFolderPath);
// Create a sorted list of the files (they will be named in sequence)
SortedList <string, string> sortedFiles = new SortedList <string, string>();
foreach (string fullPath in allFiles)
{
string fileName = Path.GetFileName(fullPath);
sortedFiles.Add(fileName.Substring(0, 4), fileName);
}
// Now create a simple list from the sorted list
List <string> fileList = new List <string>();
foreach (KeyValuePair <string, string> kvp in sortedFiles)
{
fileList.Add(kvp.Value);
}
// And call our async method
BackgroundWorkerArgument args = new BackgroundWorkerArgument(printerName, AFolderPath, fileList.ToArray());
FBackgroundWorker.RunWorkerAsync(args);
}
