async public Task <IExplorerObject> CreateExplorerObject(IExplorerObject parentExObject)
{
if (!CanCreate(parentExObject))
{
return(null);
}
var instance = await parentExObject.GetInstanceAsync();
if (!(instance is IFeatureDataset) || !(((IDataset)instance).Database is SQLiteFDB))
{
return(null);
}
SQLiteFDB fdb = ((IDataset)instance).Database as SQLiteFDB;
FormNewFeatureclass dlg = await FormNewFeatureclass.Create(instance as IFeatureDataset);
if (dlg.ShowDialog() != DialogResult.OK)
{
return(null);
}
IGeometryDef gDef = dlg.GeometryDef;
int FCID = await fdb.CreateFeatureClass(
parentExObject.Name,
dlg.FeatureclassName,
gDef,
dlg.Fields);
if (FCID < 0)
{
MessageBox.Show("ERROR: " + fdb.LastErrorMessage);
return(null);
}
ISpatialIndexDef sIndexDef = await fdb.SpatialIndexDef(parentExObject.Name);
await fdb.SetSpatialIndexBounds(dlg.FeatureclassName, "BinaryTree2", dlg.SpatialIndexExtents, 0.55, 200, dlg.SpatialIndexLevels);
IDatasetElement element = await((IFeatureDataset)instance).Element(dlg.FeatureclassName);
return(new SQLiteFDBFeatureClassExplorerObject(
parentExObject as SQLiteFDBDatasetExplorerObject,
_filename,
parentExObject.Name,
element));
}
public IExplorerObject CreateExplorerObject(IExplorerObject parentExObject)
{
if (!CanCreate(parentExObject))
{
return(null);
}
if (!(parentExObject.Object is IFeatureDataset) || !(((IDataset)parentExObject.Object).Database is SQLiteFDB))
{
return(null);
}
SQLiteFDB fdb = ((IDataset)parentExObject.Object).Database as SQLiteFDB;
FormNewFeatureclass dlg = new FormNewFeatureclass(parentExObject.Object as IFeatureDataset);
if (dlg.ShowDialog() != DialogResult.OK)
{
return(null);
}
IGeometryDef gDef = dlg.GeometryDef;
int FCID = fdb.CreateFeatureClass(
parentExObject.Name,
dlg.FeatureclassName,
gDef,
dlg.Fields);
if (FCID < 0)
{
MessageBox.Show("ERROR: " + fdb.lastErrorMsg);
return(null);
}
ISpatialIndexDef sIndexDef = fdb.SpatialIndexDef(parentExObject.Name);
fdb.SetSpatialIndexBounds(dlg.FeatureclassName, "BinaryTree2", dlg.SpatialIndexExtents, 0.55, 200, dlg.SpatialIndexLevels);
IDatasetElement element = ((IFeatureDataset)parentExObject.Object)[dlg.FeatureclassName];
return(new SQLiteFDBFeatureClassExplorerObject(
parentExObject as SQLiteFDBDatasetExplorerObject,
_filename,
parentExObject.Name,
element));
}
public bool Open()
{
if (_fdb == null)
{
return(false);
}
_dsID = _fdb.DatasetID(_dsname);
if (_dsID < 0)
{
return(false);
}
_sRef = this.SpatialReference;
_state = DatasetState.opened;
_sIndexDef = _fdb.SpatialIndexDef(_dsID);
return(true);
}
async public Task <bool> Open()
{
if (_fdb == null)
{
return(false);
}
_dsID = await _fdb.DatasetID(_dsname);
if (_dsID < 0)
{
return(false);
}
_sRef = await this.GetSpatialReference();
_state = DatasetState.opened;
_sIndexDef = await _fdb.SpatialIndexDef(_dsID);
return(true);
}