private void refreshItems()
{
DesktopWindow[] currentWindows = DesktopWindow.getCurrentWindows();
List <int> currentHandles = currentWindows.Select(w => w.Handle.ToInt32()).ToList();
foreach (DesktopWindow window in currentWindows)
{
ListViewItem item;
int handle = window.Handle.ToInt32();
if (hideWindowInList(window))
{
continue;
}
if (currentItems.ContainsKey(handle))
{
item = currentItems[handle];
}
else
{
item = new ListViewItem(new string[3]);
currentItems.Add(handle, item);
}
this.InvokeEx(() =>
{
item.SubItems[0].Text = window.Caption;
item.SubItems[1].Text = window.Style.ToString();
item.SubItems[2].Text = window.Visible.ToString();
item.Tag = handle;
item.ImageKey = window.Visible ? "window-visible" : "window-hidden";
});
}
foreach (KeyValuePair <int, ListViewItem> item in currentItems)
{
if (!currentHandles.Contains(item.Key))
{
garbageHandles.Add(item.Key);
this.InvokeEx(f => f.windowListView.Items.Remove(item.Value));
continue;
}
this.InvokeEx(f =>
{
if (!f.windowListView.Items.Contains(item.Value))
{
f.windowListView.Items.Add(item.Value);
}
});
}
garbageHandles.ForEach(gh => currentItems.Remove(gh));
garbageHandles.Clear();
}