#region 创建文件窗体

                SaveFileDialog saveFileDialog = new SaveFileDialog();

                saveFileDialog.Filter = "Shape文件（*.shp）|*.shp";

                saveFileDialog.Title = "新建点形shp文件";

                saveFileDialog.CheckFileExists = false;

                DialogResult dialogResult = saveFileDialog.ShowDialog();



                IWorkspaceFactory pWorkspaceFactory = new ShapefileWorkspaceFactory();

                int index;

                string fileName;

                //string filePath; 

                string fileFullPath;

                if (dialogResult == DialogResult.OK)

                {

                    fileFullPath = saveFileDialog.FileName;

                    index = fileFullPath.LastIndexOf(@"\");

                    fileName = fileFullPath.Substring(index + 1);

                    filePath = fileFullPath.Substring(0, index);

                    if (System.IO.File.Exists(saveFileDialog.FileName))//检查文件是否存在

                    {

                        if (MessageBox.Show("该文件夹下已经有同名文件，替换原文件？", "询问", MessageBoxButtons.OKCancel, MessageBoxIcon.Question) == DialogResult.OK)

                        {

                            IFeatureWorkspace FWS = pWorkspaceFactory.OpenFromFile(filePath, 0) as IFeatureWorkspace;