public static void AssignZoomedValues(this ObservableDataSource <Point> source, List <double> newValues, LocalRange range)
{
source.SuspendUpdate();
source.Collection.Clear();
var length = newValues.Count;
var skip = (range.RightThreshold - range.LeftThreshold) / range.ZoomOptions.TargetNumberOfSamples;
for (int i = 0; i < length; i += 5)
{
var x = range.LeftThreshold + i * skip;
source.Collection.Add(new Point {
X = x, Y = newValues[i]
});
}
source.ResumeUpdate();
}
public static void AssignFrequencyValues(this ObservableDataSource <Point> source, List <double> newValues, int sampleRate)
{
if (newValues == null)
{
return;
}
source.SuspendUpdate();
source.Collection.Clear();
var length = newValues.Count;
for (int i = 0; i < length; i += 20)
{
var x = FrequencyHelpers.GetFrequency(length, i, sampleRate);
source.Collection.Add(new Point {
X = x, Y = newValues[i]
});
}
source.ResumeUpdate();
}
public void Begin()
{
try
{
for (int i = 0; i < MainViewModel.HotItemController.Queue.Count; i++)
{
var item = MainViewModel.HotItemController.Queue[i];
if (!chartItems.ContainsKey(item.DataId))
{
if (item.IsSelected) // Chart selection
{
ObservableDataSource <ItemProxy> items = new ObservableDataSource <ItemProxy>();
items.SuspendUpdate();
Register(item, items);
items.ResumeUpdate();
}
}
}
}
catch
{
}
}
public void Begin()
{
try
{
for (int i = 0; i < MainViewModel.HotItemController.Queue.Count; i++)
{
var item = MainViewModel.HotItemController.Queue[i];
if (!chartItems.ContainsKey(item.DataId))
{
if (item.IsSelected) // Chart selection
{
ObservableDataSource<ItemProxy> items = new ObservableDataSource<ItemProxy>();
items.SuspendUpdate();
Register(item, items);
items.ResumeUpdate();
}
}
}
}
catch
{
}
}
private void UpdateButton_Click(object sender, RoutedEventArgs e)
{
dscr.ResumeUpdate();
dscr.SuspendUpdate();
}