C#获取文件夹

添加引用"System.Design.Dll"
添加命名空间"using System.Windows.Forms.Design; "

public class FolderDialog : FolderNameEditor
{
    FolderNameEditor.FolderBrowser fDialog = new
    System.Windows.Forms.Design.FolderNameEditor.FolderBrowser();
    public FolderDialog()
    {
    }
    public DialogResult DisplayDialog()
    {
        return DisplayDialog("请选择一个文件夹");
    }
    public DialogResult DisplayDialog(string description)
    {
        fDialog.Description = description;
        return fDialog.ShowDialog();
    }
    public string Path
    {
        get
        {
            return fDialog.DirectoryPath;
        }
    }
    ~FolderDialog()
    {
        fDialog.Dispose();
    }
}