VB6 的高级凭据 [英] Elevated Credentials for VB6
本文介绍了VB6 的高级凭据的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
我需要在 VB6 应用程序中获得提升的凭据(以启动服务),但前提是用户需要重新启动服务(即我不想在应用程序启动时获得提升的凭据,仅当用户选择重新启动).我怎样才能在 VB6 中做到这一点?
I need to get elevated credentials (to start a service) in a VB6 application, but only if the user needs to restart the service (I.e. I don't want to get elevated credentials whenever the application is started, only when the user selects restart). How can I do this in VB6?
推荐答案
相当简单,但首选方法涉及新的提升过程.本示例使用自身运行与开关来知道执行服务启动而不是正常操作:
Fairly easy, but the preferred way involves a new elevated process. This example uses itself run with a switch to know to perform the Service Start instead of normal operations:
VERSION 5.00
Begin VB.Form Form1
BorderStyle = 1 'Fixed Single
Caption = "Form1"
ClientHeight = 3060
ClientLeft = 45
ClientTop = 345
ClientWidth = 4560
LinkTopic = "Form1"
MaxButton = 0 'False
MinButton = 0 'False
ScaleHeight = 3060
ScaleWidth = 4560
StartUpPosition = 3 'Windows Default
Begin VB.CommandButton Command1
Caption = "Start Service"
Height = 495
Left = 1448
TabIndex = 0
Top = 1283
Width = 1665
End
End
Attribute VB_Name = "Form1"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Option Explicit
Private Const BCM_SETSHIELD As Long = &H160C&
Private Declare Function SendMessage Lib "user32" _
Alias "SendMessageA" ( _
ByVal hWnd As Long, _
ByVal wMsg As Long, _
ByVal wParam As Long, _
lParam As Any) As Long
Private Declare Function ShellExecute Lib "shell32.dll" _
Alias "ShellExecuteA" ( _
ByVal hWnd As Long, _
ByVal lpOperation As String, _
ByVal lpFile As String, _
ByVal lpParameters As String, _
ByVal lpDirectory As String, _
ByVal nShowCmd As Long) As Long
Private Sub Command1_Click()
ShellExecute hWnd, "runas", App.EXEName & ".exe", "-start", CurDir$(), vbNormalFocus
End Sub
Private Sub Form_Load()
If UCase$(Trim$(Command$())) = "-START" Then
Caption = "Starting Service"
Command1.Visible = False
'Service starting functionality goes here.
Else
Caption = "Service Starter"
'For Shield to work you must have a Common Controls v. 6
'manifest and call InitCommonControls before loading
'this form (i.e. preferably from Sub Main).
SendMessage Command1.hWnd, BCM_SETSHIELD, 0&, 1&
Command1.Visible = True
End If
End Sub
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