public MG_Layer ExportLayer(string table)
{
MG_Layer mgLayer = new MG_Layer();
mgLayer.SetLayerName(table);//
// read ext
mgLayer.Extent = this.GetExtent(table);
MG_FieldSet fieldSet = this.GetFieldSet(table);
mgLayer.FieldSet = fieldSet;// collect data
mgLayer.FeatureSet = this.GetFeatureSet(mgLayer.GetFieldSet(), table);
mgLayer.Type = mgLayer.FeatureSet.GetAt(0).Geometry.Type;
return mgLayer;
}
private void newLayer_Click(object sender, EventArgs e)
{
// get selected map first
MG_Map map = this.getSelectedMap();
// new layer
MG_Layer layer = new MG_Layer();
//set layer extent
MG_MapExtent mapExt = map.GetMapExtent();
if (mapExt.Empty())
{
layer.Extent = new MG_MapExtent(this.panel1.ClientRectangle);
}
else
{
layer.Extent = mapExt;
}
// get layer name AND type
MG_DlgNewLayer dlg = new MG_DlgNewLayer();
dlg.InitializeLayerName(layer.GetLayerName());
dlg.InitializeLayerType(MG_GeometryType.LINESTRING);
dlg.ShowDialog();
layer.SetLayerName(dlg.GetLayerName());
layer.SetLayerType(dlg.GetLayerType());
// add layer to map
map.AddLayer(layer);
// update m_gMapView
this.updateMapView();
// add to treeview
TreeNode layerNode = new TreeNode();
layerNode.Text = layer.GetLayerName();
layerNode.Checked = true;
this.forceSelectedNodeToMap();
this.m_gSelectedNode.Nodes.Add(layerNode);
this.m_gSelectedNode.ExpandAll();
// set selected node to layer node
this.m_gSelectedNode = layerNode;
this.treeViewContent.SelectedNode = this.m_gSelectedNode;
this.Refresh();
// set state
this.setState();
}