[求助]在AE中怎么把CAD图转化为SHP格式呢？

<P>由于需要，我现在做的东西需要将cad图转化为shp格式。用代码转化。请问有没高手能提供哈源代码呢？我写的部分代码如下：</P>
<P> private void button1_Click(object sender, EventArgs e)<BR>        {<BR>            OpenFileDialog openFileDialog1 = new OpenFileDialog();<BR>            openFileDialog1.Filter = "CAD file(*.DWG)|*.DWG|CAD DGN file(*.DGN)|*.DGN|CAD DXF file(*.DXF)|*.DXF";<BR>            string FilePath;<BR>            string FileName = string.Empty;<BR>            if (openFileDialog1.ShowDialog() == DialogResult.OK)<BR>            {<BR>                FileName = openFileDialog1.FileName;<BR>            }<BR>            if (FileName.Length == 0)<BR>            {<BR>                this.Close();<BR>            }<BR>            else<BR>            {<BR>                string strfile = FileName.Substring(FileName.LastIndexOf("\\") + 1);<BR>                FilePath = FileName.Substring(0, FileName.Length - strfile.Length - 1);<BR>                IWorkspaceFactory pWorkspaceFactory = new CadWorkspaceFactoryClass();<BR>                IFeatureWorkspace pWorkspace = pWorkspaceFactory.OpenFromFile(FilePath, 0) as IFeatureWorkspace;<BR>                IFeatureDataset pFeatureDataset = pWorkspace.OpenFeatureDataset(strfile);<BR>                IFeatureClassContainer pFeatureClassContainer = pFeatureDataset as IFeatureClassContainer;<BR>                IFeatureClass pFeatureClass;<BR>                IFeatureLayer pFeatureLayer;</P>
<P>                IDataset pDataset;<BR>                for (int i = 0; i < pFeatureClassContainer.ClassCount; i++)<BR>                {<BR>                    pFeatureClass = pFeatureClassContainer.get_Class(i);<BR>                    if (pFeatureClass.FeatureType == esriFeatureType.esriFTCoverageAnnotation)<BR>                    {<BR>                        pFeatureLayer = new CadAnnotationLayerClass();<BR>                    }<BR>                    else<BR>                    {<BR>                        pFeatureLayer = new FeatureLayerClass();<BR>                    }</P>
<P>                    pFeatureLayer.Name = pFeatureClass.AliasName;<BR>                    pFeatureLayer.FeatureClass = pFeatureClass;</P>
<P>                    axMapControl1.AddLayer(pFeatureLayer, 0);<BR>                }<BR>            }<BR>        }<BR>在axMapControl中能看到图像。现在我要做的就是将格层保存为shp格式。请问我该怎么做呢。或者说有其他方法进行转化呢。望高手指点！</P>

<P>用IFeatureDataConverter这个接口转</P>