回答編集履歴
3
answer
CHANGED
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@@ -38,7 +38,6 @@
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38
38
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Dim tokenHandle As IntPtr
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39
39
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Try
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40
40
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If OpenProcessToken(process.Handle, TOKEN_QUERY, tokenHandle) Then
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41
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-
CloseHandle(tokenHandle)
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42
41
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Return New WindowsIdentity(tokenHandle)
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43
42
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End If
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44
43
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Catch ex As Exception
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2
handle Close 漏れ
answer
CHANGED
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@@ -35,14 +35,17 @@
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35
35
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End Sub
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36
36
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37
37
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Public Function GetWindowsIdentity(ByVal process As Process) As WindowsIdentity
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38
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+
Dim tokenHandle As IntPtr
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38
39
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Try
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39
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-
Dim tokenHandle As IntPtr
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40
40
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If OpenProcessToken(process.Handle, TOKEN_QUERY, tokenHandle) Then
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41
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+
CloseHandle(tokenHandle)
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41
42
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Return New WindowsIdentity(tokenHandle)
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43
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+
End If
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44
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+
Catch ex As Exception
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45
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+
Finally
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46
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+
If tokenHandle <> IntPtr.Zero Then
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42
47
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CloseHandle(tokenHandle)
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43
48
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End If
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44
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-
Catch ex As Exception
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45
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-
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46
49
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End Try
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47
50
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Return Nothing
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48
51
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End Function
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1
WindowsIdentity を使った方法を追加
answer
CHANGED
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@@ -14,4 +14,49 @@
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14
14
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というロジックで良いと思います、
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15
15
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16
16
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WMI はちょっと遅いので API でゴリゴリ書いた例を紹介しておきます。(C#)
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17
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-
[http://kozhouse.homeip.net/dotnet/etc/10/](http://kozhouse.homeip.net/dotnet/etc/10/)
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17
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+
[http://kozhouse.homeip.net/dotnet/etc/10/](http://kozhouse.homeip.net/dotnet/etc/10/)
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18
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+
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19
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+
###追記
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20
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+
Framework に何か部品がないかなーと調べてみたのですが、System.Security.Principal.WindowsIdentity を使うと、もっと簡単になります。
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21
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+
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22
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+
```VB.NET
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23
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+
Imports System.Runtime.InteropServices
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24
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+
Imports System.Security.Principal
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25
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+
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26
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+
Module Module1
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27
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+
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28
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+
Sub Main()
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29
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+
For Each p In Process.GetProcesses()
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30
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+
Using wid As WindowsIdentity = GetWindowsIdentity(p)
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31
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+
Debug.WriteLine("{0} {1}", p.ProcessName, If(wid Is Nothing, "(Error)", wid.Name))
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32
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+
End Using
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33
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+
p.Dispose()
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34
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+
Next
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35
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+
End Sub
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36
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+
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37
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+
Public Function GetWindowsIdentity(ByVal process As Process) As WindowsIdentity
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38
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+
Try
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39
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+
Dim tokenHandle As IntPtr
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|
40
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+
If OpenProcessToken(process.Handle, TOKEN_QUERY, tokenHandle) Then
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41
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+
Return New WindowsIdentity(tokenHandle)
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42
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+
CloseHandle(tokenHandle)
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43
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+
End If
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44
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+
Catch ex As Exception
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45
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+
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46
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+
End Try
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47
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+
Return Nothing
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48
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+
End Function
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49
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+
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50
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+
Private Const TOKEN_QUERY = &H8
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51
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+
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52
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+
<DllImport("advapi32.dll", SetLastError:=True)>
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53
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+
Private Function OpenProcessToken(ByVal ProcessHandle As IntPtr, ByVal DesiredAccess As Integer, ByRef TokenHandle As IntPtr) As Boolean
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54
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+
End Function
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55
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+
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56
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+
<DllImport("kernel32.dll", SetLastError:=True)>
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57
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+
Private Function CloseHandle(ByVal hHandle As IntPtr) As Boolean
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58
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+
End Function
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59
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+
|
|
60
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+
End Module
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61
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+
```
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62
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+
OpenProcessToken を公開しているメソッドがあれば、API 使わなくて済むのですが、今のところ見つからないです。
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