public Feature HitTestByPrj(ShapePoint prjPoint)
{
ILayer[] lyrs = _map.LayerContainer.Layers;
if (lyrs == null || lyrs.Length == 0)
{
return(null);
}
foreach (IFeatureLayer y in lyrs)
{
if (!(y is IFeatureLayer))
{
continue;
}
if (!_map.LayerContainer.IsSelectable(y.Name))
{
continue;
}
BaseFeatureRenderer r = y.Renderer as BaseFeatureRenderer;
if (r._currentFeatureRects.Count > 0)
{
foreach (Feature fet in r._currentFeatureRects.Keys)
{
if (fet.Geometry == null)
{
continue;
}
if (fet.Geometry.Contains(prjPoint))
{
return(fet);
}
}
}
}
return(null);
}
public void HitTest(PointF pixelPt, out Feature feature, out RectangleF rect)
{
feature = null;
rect = RectangleF.Empty;
if (_map == null)
{
return;
}
ILayer[] lyrs = _map.LayerContainer.Layers;
if (lyrs == null || lyrs.Length == 0)
{
return;
}
foreach (IFeatureLayer y in lyrs)
{
if (!(y is IFeatureLayer))
{
continue;
}
if (!_map.LayerContainer.IsSelectable(y.Name))
{
continue;
}
BaseFeatureRenderer r = y.Renderer as BaseFeatureRenderer;
if (r._currentFeatureRects.Count > 0)
{
foreach (Feature fet in r._currentFeatureRects.Keys)
{
rect = r._currentFeatureRects[fet];
if (rect.Contains(pixelPt))
{
feature = fet;
return;
}
}
}
}
}
public Feature[] HitTest(RectangleF rect)
{
if (_map == null)
{
return(null);
}
ILayer[] lyrs = _map.LayerContainer.Layers;
if (lyrs == null || lyrs.Length == 0)
{
return(null);
}
List <Feature> fets = new List <Feature>();
foreach (IFeatureLayer y in lyrs)
{
if (!(y is IFeatureLayer))
{
continue;
}
if (!_map.LayerContainer.IsSelectable(y.Name))
{
continue;
}
BaseFeatureRenderer r = y.Renderer as BaseFeatureRenderer;
if (r._currentFeatureRects.Count > 0)
{
foreach (Feature fet in r._currentFeatureRects.Keys)
{
rect = r._currentFeatureRects[fet];
if (rect.Contains(rect))
{
fets.Add(fet);
}
}
}
}
return(fets.Count > 0 ? fets.ToArray() : null);
}
public Feature[] HitTestByPrj(Envelope prjRect)
{
ILayer[] lyrs = _map.LayerContainer.Layers;
if (lyrs == null || lyrs.Length == 0)
{
return(null);
}
List <Feature> fets = new List <Feature>();
foreach (IFeatureLayer y in lyrs)
{
if (!(y is IFeatureLayer))
{
continue;
}
if (!_map.LayerContainer.IsSelectable(y.Name))
{
continue;
}
BaseFeatureRenderer r = y.Renderer as BaseFeatureRenderer;
if (r._currentFeatureRects.Count > 0)
{
foreach (Feature fet in r._currentFeatureRects.Keys)
{
if (fet.Geometry == null)
{
continue;
}
if (prjRect.Contains(fet.Geometry.Envelope))
{
fets.Add(fet);
}
}
}
}
return(fets.Count > 0 ? fets.ToArray() : null);
}