// override event for fill child
protected override void OnExpanded(RoutedEventArgs e)
{
base.OnExpanded(e);
foreach (object obj in Items)
{
DirectoryTreeViewItem item = obj as DirectoryTreeViewItem;
item.Populate();
}
}
public void RefreshTree()
{
BeginInit();
Items.Clear();
// get drive's info
DriveInfo[] drives = DriveInfo.GetDrives();
foreach(DriveInfo drive in drives)
{
char chDrive = drive.Name.ToUpper()[0];
DirectoryTreeViewItem item = new DirectoryTreeViewItem(drive.RootDirectory);
if (chDrive != 'A' && chDrive != 'B' && drive.IsReady && drive.VolumeLabel.Length > 0)
item.Text = String.Format("{0} ({1})", drive.VolumeLabel, drive.Name);
else
item.Text = String.Format("{0} ({1})", drive.DriveType, drive.Name);
// drive image
if (chDrive == 'A' || chDrive == 'B')
item.SelectedImage = item.UnselectedImage =
new BitmapImage(
new Uri("pack://application:,,/Images/FloppyDrive_16x.png"));
else if (drive.DriveType == DriveType.CDRom)
item.SelectedImage = item.UnselectedImage =
new BitmapImage(
new Uri("pack://application:,,/Images/CDDrive_16x.png"));
else if (drive.DriveType == DriveType.Ram)
item.SelectedImage = item.UnselectedImage =
new BitmapImage(
new Uri("pack://application:,,/Images/Memory_16x.png"));
else if (drive.DriveType == DriveType.Removable)
item.SelectedImage = item.UnselectedImage =
new BitmapImage(
new Uri("pack://application:,,/Images/Release_16x.png"));
else if (drive.DriveType == DriveType.Unknown)
item.SelectedImage = item.UnselectedImage =
new BitmapImage(
new Uri("pack://application:,,/Images/UnknownProject_16x.png"));
else if (drive.DriveType == DriveType.Fixed)
item.SelectedImage = item.UnselectedImage =
new BitmapImage(
new Uri("pack://application:,,/Images/HardDrive_16x.png"));
else
item.SelectedImage = item.UnselectedImage =
new BitmapImage(
new Uri("pack://application:,,/Images/Question_16x.png"));
Items.Add(item);
// fill directories info
if (chDrive != 'A' && chDrive != 'B' && drive.IsReady)
item.Populate();
}
EndInit();
}
