/// <summary>
/// Refreshes the list of directories and files.
/// </summary>
public void RefreshList()
{
_listView.Clear();
try
{
// Get the string list of directories for the current
// directory.
string[] dirs = Directory.GetDirectories(Directory.GetCurrentDirectory());
// If this is not the root directory of the volume, add a
// ".." entry. In this demo, the root volume is named
// "\\ROOT".
if (Directory.GetCurrentDirectory() != "\\")
{
ListViewItem item = new ListViewItem();
item.AddSubItem("[..]");
_listView.AddItem(item);
}
// Add each directory name to the list view.
for (int i = 0; i < dirs.Length; i++)
{
ListViewItem item = new ListViewItem();
item.AddSubItem("[" + dirs[i] + "]");
_listView.AddItem(item);
}
// Get the string list of files for the current directory.
string[] files = Directory.GetFiles(Directory.GetCurrentDirectory());
// Add each file name and its information to the list view.
for (int i = 0; i < files.Length; i++)
{
// Get information about the file.
FileInfo info = new FileInfo(files[i]);
// Add the name, length, and creation date.
ListViewItem item = new ListViewItem();
item.AddSubItem(files[i]);
item.AddSubItem(info.Length.ToString());
item.AddSubItem(info.CreationTime.ToString("d"));
_listView.AddItem(item);
}
}
catch (Exception ex)
{
Debug.Print(ex.ToString());
}
}
public void RemoveItem(ListViewItem listViewItem)
{
if (listViewItem == SelectedItem)
{
SelectedItem = null;
}
Items.Remove(listViewItem);
}
/// <summary>
/// Handles the OnTouchDown event.
/// </summary>
/// <param name="e"></param>
protected override void OnTouchDown(TouchEventArgs e)
{
int x = 0;
int y = 0;
e.GetPosition(this, 0, out x, out y);
try
{
// Figure out which section of the screen was clicked.
if (y <= _columnHeaderHeight)
{
// Ignore clicks on column headers.
}
else if (y >= (Height - _scrollbarDimension))
{
// The horizontal scrollbar was clicked.
OnHorizontalScrollStylusDown(x);
}
else if (x >= (Width - _scrollbarDimension))
{
// The vertical scrollbar was clicked.
OnVerticalScrollStylusDown(y);
}
else
{
// Main section; an item was clicked.
int previousIndex = Items.IndexOf(SelectedItem);
// Calculate which item was clicked.
int index = ((y - _columnHeaderHeight) + _verticalScroll) / _itemHeight;
// No item is selected, so select this one.
if ((index >= 0) && (index < Items.Count))
{
SelectedItem = (ListViewItem)Items[index];
}
else
{
SelectedItem = null;
index = -1;
}
// Refresh the list view.
Invalidate();
if (SelectionChanged != null)
{
SelectionChanged(this, new SelectionChangedEventArgs(previousIndex, index));
}
}
}
catch (IOException ex)
{
Debug.Print(ex.ToString());
}
}
/// <summary>
/// Adds an item to the list view, given a full list view item.
/// </summary>
/// <param name="listViewItem">The item to add to the list view.
/// </param>
public void AddItem(ListViewItem listViewItem)
{
Items.Add(listViewItem);
}
