static void Main()
{
    Application.EnableVisualStyles();
    Application.SetCompatibleTextRenderingDefault(false);
    ESRI.ArcGIS.RuntimeManager.Bind(ESRI.ArcGIS.ProductCode.EngineOrDesktop);//绑定ArcGis产品
    Application.Run(new Form1());
}

　　　　 private void button1_Click(object sender, EventArgs e)
        {
            axMapControl1.ClearLayers();
            IWorkspaceFactory pWF = new ShapefileWorkspaceFactoryClass();//利用工厂对象去生成一个shape文件的工作空间
            IWorkspace pW = pWF.OpenFromFile(shpPath, 0);   //找到对应路径下
            IFeatureWorkspace pFW = (IFeatureWorkspace)pW;  
            IFeatureClass pFC = pFW.OpenFeatureClass("trace_real_1_home.shp");  //利用要素类接收shp文件
            IFeatureLayer pFlyr = new FeatureLayerClass();  //生成一个要素图层对象
            pFlyr.FeatureClass = pFC;   //将shp文件赋值给要素图层对象的要素类属性
            axMapControl1.AddLayer(pFlyr);  //添加该要素图层对象
            axMapControl1.ActiveView.Refresh();
        }