The WPF-NHibernate Toolkit

using System;
using System.Windows.Forms;
using WinForms = System.Windows.Forms;

namespace VmWrapperExpress.Services
{
    public static class CommonDialogs
    {
        #region File Dialog Methods

        /// <summary>
        /// Shows an Open File common dialog.
        /// </summary>
        /// <param name="dialogCaption">The dialog caption.</param>
        /// <param name="fileFilter">The file filter to use.</param>
        /// <returns>A path to the file selected by the user.</returns>
        public static string GetFileToOpen(string dialogCaption, string fileFilter)
        {
            // Show Open File dialog
            var dialog = new OpenFileDialog();
            dialog.Title = dialogCaption;
            dialog.InitialDirectory = Environment.SpecialFolder.MyDocuments.ToString();
            dialog.Filter = fileFilter;
            dialog.FilterIndex = 1;
            var result = dialog.ShowDialog();

            // Get the file name 
            var filePath = String.Empty;
            if (result == DialogResult.OK)
            {
                filePath = dialog.FileName;
            }

            // Close and dispose
            dialog.Dispose();

            // Set return value
            return filePath;
        }

        /// <summary>
        /// Shows a Save File common dialog.
        /// </summary>
        /// <param name="dialogCaption">The dialog caption.</param>
        /// <param name="fileFilter">The file filter to use.</param>
        /// <returns>A path to the save location selected by the user.</returns>
        public static string GetFileToSave(string dialogCaption, string fileFilter)
        {
            // Show Save File dialog
            var dialog = new SaveFileDialog();
            dialog.Title = "dialogCaption";
            dialog.InitialDirectory = Environment.SpecialFolder.MyDocuments.ToString();
            dialog.Filter = fileFilter;
            dialog.FilterIndex = 1;
            var result = dialog.ShowDialog();

            // Set file name
            var filePath = String.Empty;
            if (result == DialogResult.OK)
            {
                filePath = dialog.FileName;
            }

            // Close and dispose
            dialog.Dispose();

            // Set return value
            return filePath;
        }

        /// <summary>
        /// Displays a Folder Browser dialog.
        /// </summary>
        /// <param name="prompt">The prompt to display to the user.</param>
        /// <param name="showNewFolderButton">Whether to show the 'New Folder' button.</param>
        /// <returns>A path to the folder selected.</returns>
        public static string GetFolderPath(string prompt, bool showNewFolderButton)
        {
            // Initialize
            var folderBrowser = new FolderBrowserDialog();
            var folderPath = String.Empty;

            // Initialize Folder Browser dialog
            folderBrowser.Description = prompt;
            folderBrowser.ShowNewFolderButton = showNewFolderButton;

            // Execute Folder Browser dialog
            var result = folderBrowser.ShowDialog();
            if (result == DialogResult.OK)
            {
                folderPath = folderBrowser.SelectedPath;
            }

            // Close and dispose
            folderBrowser.Dispose();

            // Set return value
            return folderPath;
        }

        #endregion

        /* Note that this class uses the WinForms versions of .NET's common dialog
         * wrappers. That's because the WinForms versions are Vista-aware, whereas 
         * the WPF versions are not. */
    }
}