/// <summary>
/// 调用WindowsExploer 并返回所选文件夹路径
/// </summary>
/// <param name="dialogtitle">打开对话框的标题</param>
/// <returns>所选文件夹路径</returns>
public static string GetPathFromWindowsExplorer(string dialogtitle = "请选择下载路径")
{
string res;
OpenDialogDir ofn2 = new OpenDialogDir();
ofn2.pszDisplayName = new string(new char[4096]);; // 存放目录路径缓冲区
ofn2.lpszTitle = dialogtitle; // 标题
ofn2.ulFlags = 0x00000040; // 新的样式,带编辑框
IntPtr pidlPtr = WindowsExplorer.SHBrowseForFolder(ofn2);
char[] charArray = new char[2000];
for (int i = 0; i < 2000; i++)
{
charArray[i] = '\0';
}
WindowsExplorer.SHGetPathFromIDList(pidlPtr, charArray);
res = new String(charArray);
res = res.Substring(0, res.IndexOf('\0'));
return(res);
}
public static extern IntPtr SHBrowseForFolder([In, Out] OpenDialogDir ofn);
