调试易

1.Add reference "Shell32.dll"
2.Source:Shell32.Shell shell = new Shell32.ShellClass();
Shell32.Folder folder = shell.BrowseForFolder(...);

FolderNameEditor.FolderBrowser 类型支持 .NET 框架结构，因此不适用于直接从代码中使用。建议象saucer(思归)说的那样!!!

/// <summary>
/// 目录选择对话框类
/// 需要在项目中引用system.design.dll，并在名字空间中使用using System.Windows.Forms.Design; 
/// </summary>
public class OpenFolderDialog : FolderNameEditor
{
/// <summary>
/// 目录浏览对象
/// </summary>
private FolderNameEditor.FolderBrowser FolderDialog=new FolderNameEditor.FolderBrowser();
/// <summary>
/// 显示目录浏览对话框
/// </summary>
public DialogResult ShowDialog()
{
return FolderDialog.ShowDialog();
}
/// <summary>
/// 返回的目录路径
/// </summary>
public string DirectoryPath
{
get { return FolderDialog.DirectoryPath; }
}
/// <summary>
/// 对话框描述文字
/// </summary>
public string Description
{
get { return FolderDialog.Description; }
set { FolderDialog.Description=value; }
}
/// <summary>
/// 初始化对话框内容
/// 0桌面；1InternetExplorer；2程序；3控制面板；4打印机；5MyDocuments；6Favorites；7启动；8Recent；9SendTo；10回收站；11开始菜单
/// 17我的电脑；39MyPictures；49NetAndDialUpConnections；18NetworkNeighborhood；21Templates
/// </summary>
public int StartLocation 
{
get { return (int)FolderDialog.StartLocation; }
set { FolderDialog.StartLocation=(FolderNameEditor.FolderBrowserFolder)value; }
}
/// <summary>
/// 对话框返回样式
/// 16384BrowseForEverything；8RestrictToSubfolders；1RestrictToFilesystem；4096BrowseForComputer
/// </summary>
public int Style 
{
get { return (int)FolderDialog.Style; } 
set { FolderDialog.Style=(FolderNameEditor.FolderBrowserStyles)value; }
}
}