private async Task SelectGraphicAsync(Point point)
{
// Clear previous selection
if (_selection != null)
{
_selection.Unselect();
_selection.SetVisible();
}
_selection = null;
// Find first graphic from the overlays
foreach (var overlay in MySceneView.GraphicsOverlays)
{
var foundGraphic = (await MySceneView.IdentifyGraphicsOverlayAsync(overlay, point, 2, false, 1)).Graphics.FirstOrDefault();
if (foundGraphic != null)
{
_selection = new GraphicSelection(foundGraphic, overlay);
_selection.Select();
break;
}
}
EditButton.IsEnabled = _selection == null ? false : true;
}
private async Task SelectGraphicAsync(Point point)
{
// Clear previous selection
if (_selection != null)
{
_selection.Unselect();
_selection.SetVisible();
}
_selection = null;
// Find first graphic from the overlays
foreach (var overlay in MySceneView.GraphicsOverlays)
{
var foundGraphic = await overlay.HitTestAsync(
MySceneView,
point);
if (foundGraphic != null)
{
_selection = new GraphicSelection(foundGraphic, overlay);
_selection.Select();
break;
}
}
EditButton.IsEnabled = _selection == null ? false : true;
}
private void Clear_Click(object sender, RoutedEventArgs e)
{
// Clear any existing graphics
_pointsOverlay.Graphics.Clear();
_polylinesOverlay.Graphics.Clear();
_polygonsOverlay.Graphics.Clear();
if (_selection != null)
{
_selection.Unselect();
_selection = null;
}
DrawButton.IsEnabled = true;
EditButton.IsEnabled = false;
}
