public void FromFolderTest()
{
// Create empty table
var timer = Stopwatch.StartNew();
var shData = new ShellDataTable(new ShellFolder(KNOWNFOLDERID.FOLDERID_Documents), FolderItemFilter.NonFolders | FolderItemFilter.Folders | FolderItemFilter.IncludeHidden);
TestContext.WriteLine($"{timer.ElapsedMilliseconds}\t** Init complete **");
// Get list of default and slow columns to fetch
var cols = new List <DataColumn>();
cols.AddRange(shData.Columns.Cast <DataColumn>().Where(c => ((SHCOLSTATE)c.ExtendedProperties["ColState"]).IsFlagSet(SHCOLSTATE.SHCOLSTATE_ONBYDEFAULT)));
cols.AddRange(shData.Columns.Cast <DataColumn>().Where(c => (bool)c.ExtendedProperties["Slow"] && c.ColumnName.StartsWith("System.Document.")));
TestContext.WriteLine(string.Join("\t", cols));
// Populate table
shData.RowChanged += ShData_RowChanged;
shData.AllFastRowsAdded += (s, e) => TestContext.WriteLine($"{timer.ElapsedMilliseconds}\t** Fast items complete **");
shData.TableLoaded += (s, e) => TestContext.WriteLine($"{timer.ElapsedMilliseconds}\t** All done **");
var ct = new CancellationTokenSource();
shData.PopulateTableAsync(cols, ct.Token).Wait(TimeSpan.FromSeconds(30));
timer.Stop();
void ShData_RowChanged(object sender, System.Data.DataRowChangeEventArgs e)
{
if (e.Action == DataRowAction.Add)
{
TestContext.WriteLine($"{timer.ElapsedMilliseconds,5}\t+\t" + GetItems());
}
else if (e.Action == DataRowAction.Commit)
{
TestContext.WriteLine($"{timer.ElapsedMilliseconds,5}\t*\t" + GetItems());
}
string GetItems() => string.Join("\t", cols.Select(c => GetColVal(e.Row[c])));
}
}
public void FromItemsTest()
{
// Create empty table
var timer = Stopwatch.StartNew();
var items = new[] { ShellItem.Open(TestCaseSources.SmallFile), ShellItem.Open(TestCaseSources.TempDir), ShellItem.Open(TestCaseSources.BmpFile), ShellItem.Open(TestCaseSources.DummyFile), ShellItem.Open(TestCaseSources.LargeFile) };
var shData = new ShellDataTable(items);
TestContext.WriteLine($"{timer.ElapsedMilliseconds}\t** Init complete **");
// Get list of default and slow columns to fetch
var cols = shData.Columns.Cast <DataColumn>().Take(20).ToList();
TestContext.WriteLine("\t\t" + string.Join("\t", cols));
// Populate table
shData.RowChanged += ShData_RowChanged;
shData.AllFastRowsAdded += (s, e) => TestContext.WriteLine($"{timer.ElapsedMilliseconds}\t** Fast items complete **");
shData.TableLoaded += (s, e) => TestContext.WriteLine($"{timer.ElapsedMilliseconds}\t** All done **");
var ct = new CancellationTokenSource();
shData.PopulateTableAsync(cols, ct.Token).Wait(TimeSpan.FromSeconds(30));
timer.Stop();
void ShData_RowChanged(object sender, System.Data.DataRowChangeEventArgs e)
{
if (e.Action == DataRowAction.Add)
{
TestContext.WriteLine($"{timer.ElapsedMilliseconds,5}\t+\t" + GetItems());
}
else if (e.Action == DataRowAction.Commit)
{
TestContext.WriteLine($"{timer.ElapsedMilliseconds,5}\t*\t" + GetItems());
}
string GetItems() => string.Join("\t", cols.Select(c => GetColVal(e.Row[c])));
}
}