private void SelectInformation(PointShape worldPoint)
{
try
{
Collection <Feature> selectedFeatures = new Collection <Feature>();
foreach (Layer layer in ((LayerOverlay)winformsMap1.Overlays[0]).Layers)
{
FeatureLayer featureLayer = layer as FeatureLayer;
if (featureLayer != null)
{
featureLayer.Open();
Collection <Feature> nearestFeatures = featureLayer.QueryTools.GetFeaturesNearestTo(worldPoint, winformsMap1.MapUnit, 1, ReturningColumnsType.AllColumns);
double radius = 10.0 / winformsMap1.Width * winformsMap1.CurrentExtent.Width;
EllipseShape searchingEllipse = new EllipseShape(worldPoint, radius, radius);
foreach (Feature feature in nearestFeatures)
{
Feature selectedFeature = feature;
selectedFeature.Tag = featureLayer.Name;
BaseShape currentShape = feature.GetShape();
if (currentShape is AreaBaseShape)
{
if (currentShape.Contains(worldPoint))
{
selectedFeatures.Add(selectedFeature);
}
}
else if (currentShape is LineBaseShape)
{
if (currentShape.Intersects(searchingEllipse))
{
selectedFeatures.Add(selectedFeature);
}
}
else if (currentShape is PointBaseShape)
{
if (searchingEllipse.Contains(currentShape))
{
selectedFeatures.Add(selectedFeature);
}
}
}
featureLayer.Close();
}
}
if (selectedFeatures.Count > 0)
{
FormInformation frmInformation = new FormInformation(selectedFeatures);
frmInformation.ShowDialog();
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, ex.GetType().ToString(), MessageBoxButtons.OK, MessageBoxIcon.Error, MessageBoxDefaultButton.Button1, (MessageBoxOptions)0);
}
}