打开和保存文件

打开文件：

            Microsoft.Win32.OpenFileDialog open = new Microsoft.Win32.OpenFileDialog();

            open.Multiselect = false;

            open.Filter = "表格(*.CSV)|*.CSV";

            Nullable<bool> flag = open.ShowDialog();

            if (flag == true)

            {

                string filename = open.FileName;

            }

 

保存文件：

            Microsoft.Win32.SaveFileDialog save = new Microsoft.Win32.SaveFileDialog();

            save.Filter = "表格(*.CSV)|*.CSV";

            Nullable<bool> flag = save.ShowDialog();

            if (flag == true)

            {

                string filename = save.FileName;

            }