private void LoadSpatialFeatureClasses()
{
using (ICatalogEntityClass c = new CatalogEntityClassFeatureClass(_connString))
{
ICatalogEntity[] objs = c.Query("datasetid='" + Id + "'");
_spatialFeatureClasses = objs;
}
}
private void Load()
{
try
{
using (ICatalogEntityClass cec = new CatalogEntityClassFeatureDataset(_connectionString))
{
_featureDatasets = cec.Query(new SpatialFeatureDataset());
}
using (ICatalogEntityClass cec = new CatalogEntityClassFeatureClass(_connectionString))
{
_featureClasses = cec.Query("length(datasetid)=0");
}
_isLoaded = true;
}
catch (Exception ex)
{
_isLoaded = false;
MsgBox.ShowError(ex.Message);
}
}
public override void Click(enumContextKeys key)
{
switch (key)
{
case enumContextKeys.Delete:
if (MsgBox.ShowQuestionYesNo("确定要删除要素类\"" + _name + "\"吗？\n\n删除以后不能恢复。") == System.Windows.Forms.DialogResult.No)
{
return;
}
SpatialFeatureClass ds = _tag as SpatialFeatureClass;
using (ICatalogEntityClass c = new CatalogEntityClassFeatureClass(ds._connString))
{
c.Delete(ds);
ICatalogItem pIt = _parent;
_parent.Remove(this);
pIt.Refresh();
break;
}
case enumContextKeys.Property:
using (frmFetClassDlg frm = new frmFetClassDlg())
{
ICatalogEntity entity = _tag as ICatalogEntity;
if (frm.ShowDialog(ref entity, false, false))
{
entity.Store();
Refresh();
}
}
break;
default:
base.Click(key);
break;
}
}
