public static string BrowseFolder(ref string Caption = "", ref string InitialFolder = "")
{
Shell32.Shell SH = null;
Shell32.Folder F = null;
SH = new Shell32.Shell();
F = SH.BrowseForFolder(0, Caption, BIF_RETURNONLYFSDIRS, InitialFolder);
if ((F != null))
{
return(F.Items().Item().Path);
}
}