public void fetchBytesOfFiles(string[] pathOfFiles)
{
try
{
parent_Grid.Dispatcher.Invoke(new Action(delegate { parent_Grid.BeginDataUpdate(); }), System.Windows.Threading.DispatcherPriority.DataBind);
foreach (string filePath in pathOfFiles)
{
bool isDirectory = filePath.IsDirectory();
string fileNameWithoutExtension = System.IO.Path.GetFileNameWithoutExtension(filePath);
string fileType = (isDirectory) ? @"<Folder>" : System.IO.Path.GetExtension(filePath);
long fileSizeInBytes = (isDirectory) ? GetDirectorySize(filePath) : GetFileSize(filePath);
TreeListNode node = new TreeListNode()
{
Content = new RowItem(fileNameWithoutExtension, fileType, fileSizeInBytes, filePath)
};
node.IsExpandButtonVisible = (isDirectory && HasFiles(filePath)) ? DefaultBoolean.True : DefaultBoolean.False;
writeFileBytesOnTheRAM(node);
parent_TreeListView.Dispatcher.Invoke(new Action(delegate { parent_TreeListView.Nodes.Add(node); }), System.Windows.Threading.DispatcherPriority.DataBind);
if (node.IsExpandButtonVisible == DefaultBoolean.True)
{
InitOneFolder(node);
}
parent_TreeListView.Dispatcher.Invoke(new Action(delegate { parent_TreeListView.CollapseAllNodes(); }), System.Windows.Threading.DispatcherPriority.Render);
}
}
catch (IOException io) { parent_Window.Dispatcher.Invoke(new Action(delegate { MsgBox.Show(io.Message, io.Source, parent_Window); }), System.Windows.Threading.DispatcherPriority.Render); }
catch (Exception ex) { parent_Window.Dispatcher.Invoke(new Action(delegate { MsgBox.Show(ex.Message, ex.Source, parent_Window); }), System.Windows.Threading.DispatcherPriority.Render); }
finally { parent_Grid.Dispatcher.Invoke(new Action(delegate { parent_Grid.EndDataUpdate(); }), System.Windows.Threading.DispatcherPriority.DataBind); }
}
void UpdateItems()
{
StepLeftCustomSummaryInfo();
grid.BeginDataUpdate();
foreach (StockItem item in data)
{
item.UpdatePrice(rnd);
if (Math.Sign(item.DeltaPrice) > 0)
{
positivePriceHistory[StockItem.HistoryLength - 1]++;
}
else
{
negativePriceHistory[StockItem.HistoryLength - 1]++;
}
}
grid.EndDataUpdate();
}
/// <summary>
/// Обновление данных в grid
/// </summary>
protected async void RefreshGridData()
{
var selected = GridControl.SelectedItems;
var topGridRow = GridControl.View.TopRowIndex;
if (GridControl.ItemsSource != null)
{
SaveCurrentLayout();
}
GridControl.BeginDataUpdate();
GridControl.ItemsSource = await ExecAsync(GetData, CancellationToken.None);
GridControl.EndDataUpdate();
RestoreLayout();
GridControl.View.Focus();
GridControl.SelectedItems = selected;
GridControl.View.TopRowIndex = topGridRow;
}
