/// <summary>Shows/hides and updates progress bar and status message.</summary>
/// <param name="sender">The source of the event.</param>
/// <param name="e">The <see cref="TextMessageViewer.MessageFolder.MessagesRetrievalProgressEventArgs"/> instance containing the event data.</param>
private void MessageFolder_MessagesRetrievalProgress(object sender, MessageFolder.MessagesRetrievalProgressEventArgs e)
{
if (e.CurrentMessage == 1) {
//first message
progressBar.Visible = true;
progressBar.Maximum = e.TotalMessages;
} else if (e.CurrentMessage == e.TotalMessages) {
progressBar.Visible = false;
}
statusBar.Text = "Reading items...[" + e.CurrentMessage + "/" + e.TotalMessages + "]...";
progressBar.Value = e.CurrentMessage;
}
public void RetrieveMessages(string path)
{
//subfolders
string[] subfolders = Directory.GetDirectories(RetrievePath());
Array.Sort<string>(subfolders);
folders = new List<MessageFolder>(subfolders.Length);//avoid resizing of list
foreach (string str in subfolders) {
string[] pathSplit = str.Split(new char[] { '\\' });
string displayString = pathSplit[pathSplit.Length - 1];
MessageFolder folder = new MessageFolder(displayString);
folder.parentFolder = this;
folders.Add(folder);
}
messages.Clear();
//messages
MessageFormat format = RetrieveFormat();
string fileFormat = MessageNameFormatAttribute.FileFormat(format);
string[] files = Directory.GetFiles(RetrievePath(), fileFormat);
messages = new List<TextMessage>(files.Length);//avoid resizing of list
int numberOfMessages = files.Length, currentMessage = 0;
foreach (string file in files) {
messages.Add(TextMessage.ReadTextMessage(file, format));
currentMessage++;
OnMessagesRetrievalProgress(this, new MessagesRetrievalProgressEventArgs(currentMessage, numberOfMessages));
}
OnMessagesRetrieved(this, new EventArgs());
}