private void HandleLeftButtonUp(IPointerEventArgs e)
{
if (m_Pointer != null)
{
ISpatialDocument doc = Scene?.Document;
if (doc != null)
{
m_Hits.Clear();
Coordinate pos = Scene.ViewToWorld(m_Position);
doc.HitTest(pos.X, pos.Y, 5, 1 / Scene.Scale,
m_HitTestSpec, m_Hits);
bool multi = e.KeyModifiers.HasFlag(KeyModifiers.Shift);
if (m_Hits.Count == 1)
{
if (!multi)
{
doc.DeselectAll();
}
var pair = m_Hits.First();
IItemsLayer layer = pair.Value;
ISpatialItem item = pair.Key;
if (layer.IsItemSelected(item))
{
if (multi)
{
layer.DeselectItem(item);
}
}
else
{
layer.SelectItem(item);
}
}
else
{
doc.DeselectAll();
}
}
}
}
public LayerSelectionChangedEventArgs(IItemsLayer layer) : base(layer)
{
}