WPF 打开文件 打开路径对话框

 OpenFileDialog openFileDialog = newOpenFileDialog();
            openFileDialog.Title = "选择文件";
            openFileDialog.Filter = "zip文件|*.zip|rar文件|*.rar|所有文件|*.*";
            openFileDialog.FileName = string.Empty;
            openFileDialog.FilterIndex = 1;
            openFileDialog.RestoreDirectory = true;
            openFileDialog.DefaultExt = "zip";
            DialogResult result =openFileDialog.ShowDialog();
            if (result ==System.Windows.Forms.DialogResult.Cancel)
            {
                return;
            }
            string fileName =openFileDialog.FileName;
            this.textBox1.Text = fileName;

 FolderBrowserDialog m_Dialog = newFolderBrowserDialog();
            DialogResult result =m_Dialog.ShowDialog();

            if (result ==System.Windows.Forms.DialogResult.Cancel)
            {
                return;
            }
            string m_Dir =m_Dialog.SelectedPath.Trim();
            this.textBox1.Text = m_Dir;