当安装在 64 位 Windows 7 机器上时,我的 C# winform 应用程序无法获取(本地机器的)用户帐户名。它可以在 32 位 Windows 7、64 位 VIsta、32 位 Vista 和 XP 上正常工作。
代码在“DirectoryEntry admGroup = localMachine.Children.Find...”行失败,并出现错误“System.Runtime.InteropServices.COMException [0x800708ac]。找不到组名。”
我可以对代码进行哪些更改以使其适用于 64 位 Windows 7(也适用于所有其他操作系统)?
注意 1:“DirectoryEntry localMachine = new DirectoryEntry...”行正确获取机器名称。
注 2:为简单起见,我通过替换为“[应用程序名称]”来缩短字符串。当使用“[应用程序名称].ResourceAdmin.administrators”或简单地“管理员”时,代码执行相同。
#region Get Windows User Accounts
private void GetWindowsUser()
{
DataSet dsWindowsUser = null;
try
{
//Retrieve machine name.
DirectoryEntry localMachine = new DirectoryEntry([APLICATION NAME].ResourceAdmin.WiinNT + Environment.MachineName);
//CODE FAILS ON THE NEXT LINE
DirectoryEntry admGroup = localMachine.Children.Find([APLICATION NAME].ResourceAdmin.administrators, [APLICATION NAME].ResourceAdmin.group);
// DirectoryEntry admGroup = localMachine.Children.Find("administrators", "group"); //TEST CODE
object adminmembers = admGroup.Invoke([APLICATION NAME].ResourceAdmin.members, null);
// object adminmembers = admGroup.Invoke("members", null); //TEST CODE
DirectoryEntry userGroup = localMachine.Children.Find([APLICATION NAME].ResourceAdmin.Users, [APLICATION NAME].ResourceAdmin.group);
object usermembers = userGroup.Invoke([APLICATION NAME].ResourceAdmin.members, null);
//Create datatable to store windows user.
DataTable dtWindowsUser = new DataTable();
DataRow drow;
//Create datatable to add user
DataColumn myDataColumn;
myDataColumn = new DataColumn();
myDataColumn.DataType = Type.GetType("System.String");
myDataColumn.ColumnName = "WindowsUser";
//Add column to datatable
dtWindowsUser.Columns.Add(myDataColumn);
//Retrieve each user name.
foreach (object groupMember in (IEnumerable)adminmembers)
{
DirectoryEntry member = new DirectoryEntry(groupMember);
if (!(member.Name == "admin" || member.Name == "Domain Admins"))
{
drow = dtWindowsUser.NewRow();
drow["WindowsUser"] = member.Name;
//Add row to datatable
dtWindowsUser.Rows.Add(drow);
}
}
foreach (object groupMember in (IEnumerable)usermembers)
{
DirectoryEntry member = new DirectoryEntry(groupMember);
if (!(member.Name == "ACTUser" || member.Name == "ASPNET" || member.Name == "Domain Users" || member.Name == "Authenticated Users" || member.Name == "INTERACTIVE" || member.Name == "SQLDebugger"))
{
drow = dtWindowsUser.NewRow();
drow["WindowsUser"] = member.Name;
//Add row to datatable
dtWindowsUser.Rows.Add(drow);
}
}
dsWindowsUser = new DataSet();
dsWindowsUser.Tables.Add(dtWindowsUser);
//Add User to database
objAdminDAO.AddUpdateUserInfo(dsWindowsUser);
}
catch (Exception ex)
{
BusinessObject.Logger.Logger.Log(ex);
}
finally
{
if (!(dsWindowsUser == null))
{
dsWindowsUser.Dispose();
}
}
}
编辑:对于另一个博客站点上的类似问题,建议在失败的“DirectoryEntry”语句之前添加此代码。我试过了,但没有帮助。
System.DirectoryServices.DirectoryServicesPermission 权限 = new System.DirectoryServices.DirectoryServicesPermission(System.Security.Permissions.PermissionState.Unrestricted); 权限.Assert();