using?System;
using?System.Collections.Generic;
using?System.ComponentModel;
using?System.Data;
using?System.Drawing;
using?System.Linq;
using?System.Text;
using?System.Windows.Forms;

using?AnyCAD.Platform;

namespace?AnyCAD.Basic
{
????public?partial?class?FormMain?:?Form
????{
????????//?The?global?application?object
????????Platform.Application?theApplication?=?new?Platform.Application（）;
????????//?BREP?tool?to?create?geometries.
????????BrepTools?shapeMaker?=?new?BrepTools（）;
????????//?Default?3d?View
????????Platform.View3d?theView;


????????public?FormMain（）
????????{
????????????InitializeComponent（）;
????????????this.MouseWheel?+=?new?System.Windows.Forms.MouseEventHandler（this.onmousewheel）;
????????}

????????private?void?FormMain_Load（object?sender?EventArgs?e）
????????{
????????????//?Initialize?the?Application.
????????????theApplication.Initialize（）;
????????????Size?size?=?panel3d.Size;

????????????//?Create?the?3d?View
????????????theView?=?theApplication.CreateView（panel3d.Handle.ToInt32（）?size.Width?size.Height）;

????????????theView.RequestDraw（）;

????????????this.timerDraw.Enabled?=?true;
????????}
????????private?void?FormMain_SizeChanged（object?sender?EventArgs?e）
????????{
????????????Size?size?=?panel3d.Size;
????????????if（theView?!=?null）
????????????????theView.OnSize（size.Width?size.Height）;
????????}
????????private?void?panel3d_Paint（object?sender?PaintEventArgs?e）
????????{
????????????if?（theView?==?null）
????????????????return;

????????????theView.Redraw（）;
????????}

????????private?void?timerDraw_Tick（object?sender?EventArgs?e）
????????{
????????????theView.RequestDraw（）;
????????????theView.Redraw（）;
????????}

????????private?SceneNode?ShowTopoShape（TopoShape?topoShape?int?id）
????????{
????????????//?Add?the?TopoShape?to?Scene.
????????????TopoShapeConvert?convertor?=?new?TopoShapeConvert（）;
????????????SceneNode?faceNode?=?convertor.ToFaceNode（topoShape?0.5f）;
????????????faceNode.SetId（id）;
????????????theView.GetSceneManager（）.AddNode（faceNode）;
????????????return?faceNode;
????????}

????????private?void?ClearScene（）
????????{
????????????theView.GetSceneManager（）.ClearNodes（）;
????????}

????????private?void?sphereToolStripMenuItem_Click（object?sender?EventArgs?e）
????????{
????????????TopoShape?sphere?=?shapeMaker.MakeSphere（new?Vector3（0?0?0）?40）;
????????????ShowTopoShape（sphere?100）;
????????}

????????private?void?boxToolStripMenuItem_Click（object?sender?EventArgs?e）
????????{
????????????TopoShape?box?=?shapeMaker.MakeBox（new?Vector3（40?-20?0）?new?Vector3（0?0?1）?new?Vector3（30?40?60））;
?????????????
????????????SceneNode?sceneNode?=?ShowTopoShape（box?101）;

????????????Facestyle?style?=?new?Facestyle（）;
????????????style.SetColor（new?ColorValue（0.5f?0.3f?0?1））;
????????????sceneNode.SetFacestyle（style）;
????????}

????????private?void?cylinderToolStripMenuItem_Click（object?sender?EventArgs?e）
????????{
????????????TopoShape?cylinder?=?shapeMaker.MakeCylinder（new?V