/// <summary>
/// Reset the _tableEnum field to the table being displayed, if any
/// </summary>
private void ResetTableEnum()
{
bool bFound = false;
int index = 0;
_tableEnum = null;
_tableEnum = Session.Current.Catalog.EnumerateTables(
TableFilterFactory.FilterAllTables());
while (_tableEnum.MoveNext())
{
index++;
if (String.Equals(_tableEnum.Current.Alias, _tableAlias))
{
bFound = true;
break;
}
}
if (!bFound)
{
_tableEnum.Reset();
_tableEnum.MoveNext();
_tableIndex = 1;
}
else
{
_tableIndex = index;
}
}
private void button2_Click(object sender, System.EventArgs e)
{
int n = 0;
Table [] tables = null;
ITableEnumerator tenum = Session.Current.Catalog.EnumerateTables(TableFilterFactory.FilterMappableTables());
while (tenum.MoveNext())
{
n++;
}
tables = new Table[n];
n = 0;
foreach (Table t in tenum)
{
tables[n++] = t;
}
NewMapDlg dlg;
if (n > 0)
{
dlg = new NewMapDlg(tables);
if (dlg.ShowDialog() == DialogResult.OK)
{
// build map using MapTableLoader
tables = dlg.SelectedTables;
n = dlg.SelectionCount;
}
else
{
return;
}
}
// now build map from tables if any
Map m;
if (n == 0)
{
m = Session.Current.MapFactory.CreateEmptyMap(null, null, IntPtr.Zero, mapControl1.Size);
}
else
{
m = Session.Current.MapFactory.Create(IntPtr.Zero, mapControl1.Size, new MapTableLoader(tables));
}
SetMap(m);
UpdateMapComboBox();
}
// search through all tables to find objects that intersect
// the states bordering KS
private void menuItemSearchMultipleTables_Click(object sender, System.EventArgs e)
{
try
{
Cursor.Current = Cursors.WaitCursor;
// find states that intersect KS
// then combine them and search all layers within
// also uses search for feature
Feature fKS = _catalog.SearchForFeature("usa", MapInfo.Data.SearchInfoFactory.SearchWhere("State='KS'"));
SearchInfo si = MapInfo.Data.SearchInfoFactory.SearchIntersectsFeature(fKS, IntersectType.Geometry);
IResultSetFeatureCollection fc = _catalog.Search("usa", si);
MapInfo.FeatureProcessing.FeatureProcessor fp = new MapInfo.FeatureProcessing.FeatureProcessor();
Feature f = fp.Combine(fc);
si = MapInfo.Data.SearchInfoFactory.SearchWithinFeature(f, ContainsType.Centroid);
MultiResultSetFeatureCollection mfc = _catalog.Search(_catalog.EnumerateTables(TableFilterFactory.FilterMappableTables()), si);
// set map view to show search results
_map.SetView(f);
ShowSearchGeometry(f.Geometry);
// show results as selection
SelectFeatureCollection(fc);
}
finally
{
Cursor.Current = Cursors.Default;
}
}
