/// <summary>
/// 文件夹选择对话框
/// </summary>
/// <param name="title">对话框名称</param>
/// <returns>返回选择的文件夹路径，未正确选择则返回空字符串</returns>
public static string GetFolderPath(string title)
{
OpenDialogDir ofn2 = new OpenDialogDir();
ofn2.pszDisplayName = new string(new char[2000]);; // 存放目录路径缓冲区
ofn2.lpszTitle = title; // 标题
//ofn2.ulFlags = BIF_NEWDIALOGSTYLE | BIF_EDITBOX; // 新的样式,带编辑框
IntPtr pidlPtr = DllOpenFileDialog.SHBrowseForFolder(ofn2);
char[] charArray = new char[2000];
for (int i = 0; i < 2000; i++)
{
charArray[i] = '\0';
}
DllOpenFileDialog.SHGetPathFromIDList(pidlPtr, charArray);
string fullDirPath = new String(charArray);
fullDirPath = fullDirPath.Substring(0, fullDirPath.IndexOf('\0'));
return(fullDirPath);
}
public static extern IntPtr SHBrowseForFolder([In, Out] OpenDialogDir ofn);