protected void RaiseDragEnd(RangeDragEndEventArgs args)
{
if (DragEnd != null)
{
DragEnd(this, args);
}
}
private void UpdateDraggedSource()
{
try
{
double high = HighValues[SegmentIndex], low = LowValues[SegmentIndex];
double baseHigh = high, baseLow = low;
DraggedValue = GetSnapToPoint(DraggedValue);
var offset = GetSnapToPoint(DraggedValue - initialValue);
switch (draggingMode)
{
case 1:
high = DraggedValue;
break;
case 2:
low = DraggedValue;
break;
case 3:
high = GetSnapToPoint(HighValues[SegmentIndex] + offset);
low = GetSnapToPoint(LowValues[SegmentIndex] + offset);
break;
}
var args = new RangeDragEventArgs {
BaseHighValue = baseHigh, BaseLowValue = baseLow, NewHighValue = high, NewLowValue = low
};
RaisePreviewEnd(args);
if (args.Cancel)
{
ResetDraggingElements("", false);
return;
}
HighValues[SegmentIndex] = high;
LowValues[SegmentIndex] = low;
if (UpdateSource && !IsSortData)
{
UpdateUnderLayingModel(Low, SegmentIndex, LowValues[SegmentIndex]);
UpdateUnderLayingModel(High, SegmentIndex, HighValues[SegmentIndex]);
}
dragged = false;
UpdateArea();
var dragEvent = new RangeDragEndEventArgs {
BaseHighValue = baseHigh, BaseLowValue = baseLow, NewHighValue = high, NewLowValue = low
};
RaiseDragEnd(dragEvent);
}
catch
{
ResetDraggingElements("", false);
}
}