private void lvCompare_DoubleClick(object sender, EventArgs e)
{
if (lvCompare.SelectedItems.Count > 0)
{
TypeEntryListViewItem item = (TypeEntryListViewItem)lvCompare.SelectedItems[0];
SwapFilteredState(item);
}
}
private void lvFiltered_DoubleClick(object sender, EventArgs e)
{
if (lvFiltered.SelectedItems.Count > 0)
{
TypeEntryListViewItem item = (TypeEntryListViewItem)lvFiltered.SelectedItems[0];
TypeEntry entry = (TypeEntry)item.Tag;
SwapFilteredState(GetItemFromEntry(lvCompare, entry));
}
}
private void AddFilteredEntry(TypeEntry entry)
{
_filteredEntries.Add(entry);
var item = new TypeEntryListViewItem(entry.Count.ToString("#,#"));
item.Tag = entry;
item.Filtered = true;
item.SubItems.Add(entry.TotalSize.ToString("#,#"));
item.SubItems.Add(entry.Name);
lvFiltered.Items.Add(item);
}
private void SwapFilteredState(TypeEntryListViewItem item)
{
item.Filtered = !item.Filtered;
if (item.Filtered)
{
item.ImageIndex = 0;
AddFilteredEntry((TypeEntry)item.Tag);
}
else
{
item.ImageIndex = -1;
// Note: the item must be redrawn when the image is reset to -1
lvCompare.RedrawItems(item.Index, item.Index, "force redraw" == null);
RemoveFilteredEntry((TypeEntry)item.Tag);
}
}
private void CompareSnapshots()
{
HeapSnapshot compare = HeapSnapshotFactory.Compare(_reference, _current);
HeapSnapshotFactory.DumpSnapshot(compare);
// if the check box is checked, don't show the System.* types
bool dontShowBCLType = cbDontShowBCLTypes.Checked;
// update the Raw UI
StringBuilder sb = new StringBuilder();
sb.AppendFormat("HeapSnapshot at {0}\r\n", compare.TimeStamp);
sb.AppendFormat(" {0} objects for {1} bytes\r\n", compare.ObjectCount, compare.Size);
var entries =
from item in compare.TypeStats.AsParallel()
where !dontShowBCLType || !IsBclType(item.Value.Name)
orderby item.Value.Name
select item.Value
;
foreach (var entry in entries)
{
sb.AppendFormat(" {0}\r\n", entry);
}
tbResult.Text = sb.ToString();
// update the List UI
lvCompare.BeginUpdate();
lvFiltered.BeginUpdate();
lvCompare.Items.Clear();
lvFiltered.Items.Clear();
foreach (var entry in compare.TypeStats)
{
TypeEntryListViewItem item;
// Create a wrapping ListViewItem for the filtered list if needed
// Note: always present even though DontShowBCLType is checked
if (IsFilteredType(entry.Value))
{
AddFilteredEntry(entry.Value);
}
// skip BCL when needed
if (dontShowBCLType)
{
if (IsBclType(entry.Value.Name))
{
continue;
}
}
// Create a wrapping ListViewItem for the compare list
item = new TypeEntryListViewItem("");
item.Tag = entry.Value;
item.SubItems.Add(entry.Value.Count.ToString("#,#"));
item.SubItems.Add(entry.Value.TotalSize.ToString("#,#"));
item.SubItems.Add(entry.Value.Name);
lvCompare.Items.Add(item);
// Create a wrapping ListViewItem for the filtered list if needed
if (IsFilteredType(entry.Value))
{
item.Filtered = true;
item.ImageIndex = 0;
}
}
lvCompare.Sort();
lvFiltered.Sort();
lvFiltered.EndUpdate();
lvCompare.EndUpdate();
}