/// <summary>
/// 处理空间统计
/// </summary>
/// <param name="mapControl"></param>
/// <param name="pGeometry"></param>
/// <param name="layerName"></param>
public void DealFeatureQuery(AxMapControl mapControl, IGeometry pGeometry, string queryStr, string layerName)
{
IGroupLayer gLayer = null;
if (string.IsNullOrEmpty(layerName))
{
return;
}
int gIndex;
int layerIndex;
IFeatureLayer pFeatureLayer = LayerUtil.QueryLayerInMap(mapControl, layerName, ref gLayer, out layerIndex, out gIndex) as IFeatureLayer;
if (pFeatureLayer == null)
{
return;
}
IQueryFilter queryFilter = null;
IFeatureCursor pFeatureCursor = null;
if (string.IsNullOrEmpty(queryStr))
{
pFeatureCursor = FeatureDealUtil.QueryFeatureInLayer(pFeatureLayer, pGeometry, ref queryFilter);
}
else
{
pFeatureCursor = FeatureDealUtil.QueryFeatureInLayer(pFeatureLayer, queryStr, ref queryFilter);
}
IList <IFeature> features = FlashFeatureShape(mapControl, pFeatureLayer, pFeatureCursor);
ShowFeatureDetail(pFeatureLayer, features, queryFilter);
}
//刷新要素 在增加、删除字段后必须进行调用
public void RefreshFeaturesByFids()
{
var fids = new List <int>();
pfeatuers.ForEach(p => {
var value = p.get_Value(p.Fields.FindField("FID"));
fids.Add((int)value);
});
pfeatuers = FeatureDealUtil.FindFeatures(layer, fids);
}
private void dataGridView_CellValueChanged(object sender, DataGridViewCellEventArgs e)
{
if (e.RowIndex > -1)
{
this.dataGridView.EndEdit();
var dRow = dataTable.Rows[e.RowIndex];
var pFeature = this.pfeatuers[e.RowIndex];
FeatureDealUtil.UpdateFeature(pFeature, dRow);
}
}
/// <summary>
/// 更新valueslistBoxControl元素
/// </summary>
/// <param name="field"></param>
void UpdateFieldUniqueValueListbox(IField field)
{
this.valueslistBoxControl.Items.Clear();
IList <object> values = FeatureDealUtil.GetUnikeValues(selectLayer as IFeatureLayer, field.Name, 200);
if (field.Type == esriFieldType.esriFieldTypeString)
{
foreach (var value in values)
{
this.valueslistBoxControl.Items.Add(String.Format("'{0}'", value));
}
}
else
{
foreach (var value in values)
{
this.valueslistBoxControl.Items.Add(value);
}
}
this.valueslistBoxControl.SelectedIndex = -1;
}
private void simpleButton1_Click(object sender, EventArgs e)
{
List <DataRow> rows;
var deFeatures = GetIsGoingDeletedRows(out rows);
if (rows.Count == 0)
{
MessageBox.Show("尚未选择任何行，无法删除");
return;
}
if (FeatureDealUtil.DeleteFeatures(deFeatures))
{
rows.ForEach(row =>
{
this.dataTable.Rows.Remove(row);
});
deFeatures.ForEach(feature => this.pfeatuers.Remove(feature));
this.countLabel.Text = dataTable.Rows.Count.ToString();
}
else
{
MessageBox.Show("删除错误");
}
}
