c# 获取当前系统中所有用户信息,该如何处理

c# 获取当前系统中所有用户信息
如题~!



[解决办法]
using System.Runtime.InteropServices;

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct USER_INFO_0
{
public string Username;
}

[DllImport( "Netapi32.dll ")]
extern static int NetUserEnum(
[MarshalAs(UnmanagedType.LPWStr)]
string servername,
int level,
int filter,
out IntPtr bufptr,
int prefmaxlen,
out int entriesread,
out int totalentries,
out int resume_handle);

[DllImport( "Netapi32.dll ")]
extern static int NetApiBufferFree(IntPtr Buffer);

private void button1_Click(object sender, EventArgs e)
{
int EntriesRead;
int TotalEntries;
int Resume;
IntPtr bufPtr;

NetUserEnum(null, 0, 2, out bufPtr, -1, out EntriesRead,
out TotalEntries, out Resume);
if (EntriesRead > 0)
{
USER_INFO_0[] Users = new USER_INFO_0[EntriesRead];
IntPtr iter = bufPtr;
for (int i = 0; i < EntriesRead; i++)
{
Users[i] = (USER_INFO_0)Marshal.PtrToStructure(iter,
typeof(USER_INFO_0));
iter = (IntPtr)((int)iter + Marshal.SizeOf(typeof(USER_INFO_0)));
textBox1.AppendText(Users[i].Username + "\r\n ");
}
NetApiBufferFree(bufPtr);
}
}