private void ClearFilterGeometry()
{
if (_filterGeometry != null)
{
_filterGeometry.Dispose();
}
lblSpatialFilterGeomSet.Visible = false;
}
public override void Invoke()
{
var viewer = this.Viewer;
var sel = viewer.GetSelection();
var selLayers = sel.GetLayers();
if (selLayers == null)
{
MessageBox.Show(Strings.TextNoSelection);
return;
}
//This doesn't work :(
//
//var provider = viewer.GetProvider();
//var featSvc = (MgFeatureService)provider.CreateService(MgServiceType.FeatureService);
//var ext = sel.GetExtents(featSvc);
//var ll = ext.LowerLeftCoordinate;
//var ur = ext.UpperRightCoordinate;
//viewer.ZoomToExtents(ll.X, ll.Y, ur.X, ur.Y);
MgEnvelope env = new MgEnvelope();
if (_agfRw == null)
{
_agfRw = new MgAgfReaderWriter();
}
for (var i = 0; i < selLayers.GetCount(); i++)
{
var layer = selLayers.GetItem(i);
var fr = sel.GetSelectedFeatures(layer, layer.FeatureClassName, false);
try
{
string geomName = layer.GetFeatureGeometryName();
while (fr.ReadNext())
{
if (!fr.IsNull(geomName))
{
MgByteReader agf = null;
MgGeometry geom = null;
try
{
agf = fr.GetGeometry(geomName);
geom = _agfRw.Read(agf);
env.ExpandToInclude(geom.Envelope());
}
finally
{
if (agf != null)
{
agf.Dispose();
agf = null;
}
if (geom != null)
{
geom.Dispose();
geom = null;
}
}
}
}
}
finally
{
fr.Close();
}
}
var ll = env.LowerLeftCoordinate;
var ur = env.UpperRightCoordinate;
viewer.ZoomToExtents(ll.X, ll.Y, ur.X, ur.Y);
}