104 lines
3.5 KiB
VB.net
104 lines
3.5 KiB
VB.net
#Region "Microsoft.VisualBasic::562010c9a1585e31a5a7d8f422f5695b, Microsoft.VisualBasic.Core\ApplicationServices\Tools\WinForm\VistaSecurity.vb"
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' Author:
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'
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' asuka (amethyst.asuka@gcmodeller.org)
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' xie (genetics@smrucc.org)
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' xieguigang (xie.guigang@live.com)
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'
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' Copyright (c) 2018 GPL3 Licensed
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'
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'
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' GNU GENERAL PUBLIC LICENSE (GPL3)
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'
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'
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' This program is free software: you can redistribute it and/or modify
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' it under the terms of the GNU General Public License as published by
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' the Free Software Foundation, either version 3 of the License, or
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' (at your option) any later version.
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'
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' This program is distributed in the hope that it will be useful,
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' but WITHOUT ANY WARRANTY; without even the implied warranty of
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' MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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' GNU General Public License for more details.
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'
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' You should have received a copy of the GNU General Public License
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' along with this program. If not, see <http://www.gnu.org/licenses/>.
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' /********************************************************************************/
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' Summaries:
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' Module VistaSecurity
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'
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' Function: IsAdmin, IsVistaOrHigher, SendMessage
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'
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' Sub: AddShieldToButton, RestartElevated
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'
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'
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' /********************************************************************************/
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#End Region
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Imports System.ComponentModel
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Imports System.Runtime.InteropServices
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Imports System.Security.Principal
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Namespace ApplicationServices.Windows.Forms
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Public Module VistaSecurity
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<DllImport("user32")>
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Public Function SendMessage(hWnd As IntPtr, msg As UInt32, wParam As UInt32, lParam As UInt32) As UInt32
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End Function
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Friend Const BCM_FIRST As Integer = &H1600
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Friend Const BCM_SETSHIELD As Integer = (BCM_FIRST + &HC)
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Public Function IsVistaOrHigher() As Boolean
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Return Environment.OSVersion.Version.Major < 6
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End Function
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''' <summary>
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''' Checks if the process is elevated
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''' </summary>
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''' <returns>If is elevated</returns>
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Public Function IsAdmin() As Boolean
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Dim id As WindowsIdentity = WindowsIdentity.GetCurrent()
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Dim p As New WindowsPrincipal(id)
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Return p.IsInRole(WindowsBuiltInRole.Administrator)
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End Function
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''' <summary>
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''' Add a shield icon to a button
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''' </summary>
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''' <param name="b">The button</param>
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Public Sub AddShieldToButton(b As Button)
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b.FlatStyle = FlatStyle.System
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SendMessage(b.Handle, BCM_SETSHIELD, 0, &HFFFFFFFFUI)
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End Sub
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''' <summary>
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''' Restart the current process with administrator credentials.(以管理员的身份重启本应用程序)
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''' </summary>
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Public Sub RestartElevated(Optional args$ = "")
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Dim startInfo As New ProcessStartInfo()
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startInfo.UseShellExecute = True
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startInfo.WorkingDirectory = Environment.CurrentDirectory
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startInfo.FileName = Application.ExecutablePath
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startInfo.Arguments = args
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startInfo.Verb = "runas"
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Try
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Dim p As Process = Process.Start(startInfo)
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Catch ex As Win32Exception
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'If cancelled, do nothing
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Return
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End Try
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Call App.Exit()
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End Sub
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End Module
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End Namespace
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