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枚举当前系统用户（使用NetUserEnum API枚举）
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);
}
}
http://blog.csdn.net/zswang/article/details/1576495
枚举当前系统用户（使用NetUserEnum API枚举）
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