//------------------------------------------
internal MapPolygonLayer AddProviderShapeFile(string Name)
{
MapPolygonLayer MyLayer = null;
try
{
MyLayer = (MapPolygonLayer)ProviderMap.AddLayer(DataPath + ShapeFilename);
MyLayer.LegendText = Name;
DataTable LayerDT = MyLayer.DataSet.DataTable;
if (MyLayer == null)
{
MessageBox.Show("The Base ShapeFile is not a polygon layer.");
}
}
catch (Exception e)
{
MessageBox.Show("Error Loading Shape File:[ " + DataPath + ShapeFilename + "] :" + e.Message);
}
return(MyLayer);
}
//--------------------------------------------------------------
internal void AddProviderBaseShapeFile()
{
try
{
ProviderMap.AddLayer(DataPath + ShapeFilename);
//Assign the mappolygon layer from the map
MapPolygonLayer BaseLayer = default(MapPolygonLayer);
BaseLayer = (MapPolygonLayer)ProviderMap.Layers[0];
if (BaseLayer == null)
{
MessageBox.Show("The Base Layer of Provider Map is not a polygon layer.");
}
else
{
//Get the shapefile's attribute table to our datatable dt
DataTable DT = BaseLayer.DataSet.DataTable;
// Create a Scheme
PolygonScheme BaseScheme = new PolygonScheme();
//Set the ClassificationType for the PolygonScheme via EditorSettings
BaseScheme.EditorSettings.ClassificationType = ClassificationType.UniqueValues;
//Set the UniqueValue field name
BaseScheme.EditorSettings.FieldName = "ADWR_NAME";
// Create Catagories based on data
BaseScheme.CreateCategories(DT);
// Set the Symbology to this Scheme
BaseLayer.Symbology = BaseScheme;
}
}
catch (Exception e)
{
MessageBox.Show("Error Loading Shape File:[ " + DataPath + ShapeFilename + "] :" + e.Message);
}
}