private void btStatistics_Click(object sender, EventArgs e)
{
ILayer layer = m_dataOperator.GetLayerByName(cbDataNameList.SelectedItem.ToString());
IFeatureLayer featureLayer = (IFeatureLayer)layer;
if (IndexChangeFlag)
{
FieldStatistics fieldStatistics = new FieldStatistics(featureLayer, null, false);
fieldStatistics.Show();
}
else
{
FieldStatistics fieldStatistics = new FieldStatistics(featureLayer, m_SelectionSet, true);
fieldStatistics.Show();
}
}
public override void OnClick()
{
string fieldName = _menuStrip.TableView.VirtualGridView.Table.Columns[_menuStrip.ColumnIndex].ColumnName;
int idx = _menuStrip.TableView.FeatureLayer.FeatureClass.FindField(fieldName);
IField pField = _menuStrip.TableView.FeatureLayer.FeatureClass.Fields.Field[idx];
if (pField.Type == esriFieldType.esriFieldTypeDouble ||
pField.Type == esriFieldType.esriFieldTypeInteger ||
pField.Type == esriFieldType.esriFieldTypeSingle ||
pField.Type == esriFieldType.esriFieldTypeSmallInteger)
{
FieldStatistics frm = new FieldStatistics(_menuStrip.TableView, fieldName);
frm.ShowDialog();
}
else
{
MessageBox.Show(@"统计信息不适用于文本字段。");
}
}
