private void button_chk_open_Click(object sender, RoutedEventArgs e)
{
System.Windows.Forms.FolderBrowserDialog dlg = new System.Windows.Forms.FolderBrowserDialog();
dlg.Description = "自動削除対象フォルダ";
if (dlg.ShowDialog() == System.Windows.Forms.DialogResult.OK)
{
textBox_chk_folder.Text = dlg.SelectedPath;
}
}