// 添加要素
private async void add2SHP_Click(object sender, RoutedEventArgs e)
{
if (table.CanAdd() && layersComboBox.Items.Count >= 1 && curSelGraphic != null && layersComboBox.SelectedIndex >= 0)
{
// 图层
featureLayer = (FeatureLayer)(myMapView.Map.OperationalLayers[layersComboBox.SelectedIndex]);
// 属性表
table = featureLayer.FeatureTable;
QueryParameters query = new QueryParameters();
query.WhereClause = string.Format("upper(FID) = \"0\"");
FeatureQueryResult queryResult = await table.QueryFeaturesAsync(query);
IEnumerator <Feature> resultFeatures = queryResult.GetEnumerator();
List <Feature> features = new List <Feature>();
while (resultFeatures.MoveNext())
{
features.Add(resultFeatures.Current);
}
Feature tempGeoElement = features[0];
Feature addFeature = table.CreateFeature(features[0].Attributes, curSelGraphic.Geometry);
await table.AddFeatureAsync(addFeature);
t1.Text = "要素保存成功!";
}
}
// 编辑要素
private async void edit2SHP_Click(object sender, RoutedEventArgs e)
{
if (table.CanEditGeometry())
{
try
{
Feature changedFeature = (Feature)myShapeFileResult.GeoElements[0];
if (curSelGraphic != null)
{
Feature newFeature = table.CreateFeature(changedFeature.Attributes, curSelGraphic.Geometry);
changedFeature.Geometry = curSelGraphic.Geometry;
await table.UpdateFeatureAsync(changedFeature);
}
}
catch (Exception e2)
{
MessageBox.Show(e2.Message);
}
}
}
