我有一個應用程序需要檢測是否正在升高的特權。我現在代碼建立這樣的:

?

函數功能 ： 是否是管理員

?

private?static?bool?_isAdministrator()
{
????WindowsIdentity?identity?=?WindowsIdentity.GetCurrent();
????WindowsPrincipal?principal?=?new?WindowsPrincipal(identity);
????return?principal.IsInRole?(WindowsBuiltInRole.Administrator);

?

}

?

?類主要功能：

? ?1：UAC狀態查詢

? ?2：用戶狀態查詢

?

public?static?class?UacHelper
{
????private?const?string?uacRegistryKey?=?"Software\\Microsoft\\Windows\\CurrentVersion\\Policies\\System";
????private?const?string?uacRegistryValue?=?"EnableLUA";

????private?static?uint?STANDARD_RIGHTS_READ?=?0x00020000;
????private?static?uint?TOKEN_QUERY?=?0x0008;
????private?static?uint?TOKEN_READ?=?(STANDARD_RIGHTS_READ?|?TOKEN_QUERY);

????[DllImport("advapi32.dll",?SetLastError?=?true)]
????[return:?MarshalAs(UnmanagedType.Bool)]
????static?extern?bool?OpenProcessToken(IntPtr?ProcessHandle,?UInt32?DesiredAccess,?out?IntPtr?TokenHandle);

????[DllImport("advapi32.dll",?SetLastError?=?true)]
????public?static?extern?bool?GetTokenInformation(IntPtr?TokenHandle,?TOKEN_INFORMATION_CLASS?TokenInformationClass,?IntPtr?TokenInformation,?uint?TokenInformationLength,?out?uint?ReturnLength);

????public?enum?TOKEN_INFORMATION_CLASS
????{
????????TokenUser?=?1,
????????TokenGroups,
????????TokenPrivileges,
????????TokenOwner,
????????TokenPrimaryGroup,
????????TokenDefaultDacl,
????????TokenSource,
????????TokenType,
????????TokenImpersonationLevel,
????????TokenStatistics,
????????TokenRestrictedSids,
????????TokenSessionId,
????????TokenGroupsAndPrivileges,
????????TokenSessionReference,
????????TokenSandBoxInert,
????????TokenAuditPolicy,
????????TokenOrigin,
????????TokenElevationType,
????????TokenLinkedToken,
????????TokenElevation,
????????TokenHasRestrictions,
????????TokenAccessInformation,
????????TokenVirtualizationAllowed,
????????TokenVirtualizationEnabled,
????????TokenIntegrityLevel,
????????TokenUIAccess,
????????TokenMandatoryPolicy,
????????TokenLogonSid,
????????MaxTokenInfoClass
????}

????public?enum?TOKEN_ELEVATION_TYPE
????{
????????TokenElevationTypeDefault?=?1,
????????TokenElevationTypeFull,
????????TokenElevationTypeLimited
????}

????public?static?bool?IsUacEnabled
????{
????????get
????????{
????????????RegistryKey?uacKey?=?Registry.LocalMachine.OpenSubKey(uacRegistryKey,?false);
????????????bool?result?=?uacKey.GetValue(uacRegistryValue).Equals(1);
????????????return?result;
????????}
????}

????public?static?bool?IsProcessElevated
????{
????????get
????????{
????????????if?(IsUacEnabled)
????????????{
????????????????IntPtr?tokenHandle;
????????????????if?(!OpenProcessToken(Process.GetCurrentProcess().Handle,?TOKEN_READ,?out?tokenHandle))
????????????????{
????????????????????throw?new?ApplicationException("Could?not?get?process?token.??Win32?Error?Code:?"?+?Marshal.GetLastWin32Error());
????????????????}

????????????????TOKEN_ELEVATION_TYPE?elevationResult?=?TOKEN_ELEVATION_TYPE.TokenElevationTypeDefault;

????????????????int?elevationResultSize?=?Marshal.SizeOf((int)elevationResult);
????????????????uint?returnedSize?=?0;
????????????????IntPtr?elevationTypePtr?=?Marshal.AllocHGlobal(elevationResultSize);

????????????????bool?success?=?GetTokenInformation(tokenHandle,?TOKEN_INFORMATION_CLASS.TokenElevationType,?elevationTypePtr,?(uint)elevationResultSize,?out?returnedSize);
????????????????if?(success)
????????????????{
????????????????????elevationResult?=?(TOKEN_ELEVATION_TYPE)Marshal.ReadInt32(elevationTypePtr);
????????????????????bool?isProcessAdmin?=?elevationResult?==?TOKEN_ELEVATION_TYPE.TokenElevationTypeFull;
????????????????????return?isProcessAdmin;
????????????????}
????????????????else
????????????????{
????????????????????throw?new?ApplicationException("Unable?to?determine?the?current?elevation.");
????????????????}
????????????}
????????????else
????????????{
????????????????WindowsIdentity?identity?=?WindowsIdentity.GetCurrent();
????????????????WindowsPrincipal?principal?=?new?WindowsPrincipal(identity);
????????????????bool?result?=?principal.IsInRole(WindowsBuiltInRole.Administrator);
????????????????return?result;
????????????}
????????}
????}
}

?

?

?相關資料：

? ?http://uachelpers.codeplex.com/releases/view/29976?

轉載于:https://www.cnblogs.com/luomingui/archive/2011/07/04/2097174.html

總結

以上是生活随笔為你收集整理的Win7开发系列： Win7 UAC帮助类的全部內容，希望文章能夠幫你解決所遇到的問題。

如果覺得生活随笔網站內容還不錯，歡迎將生活随笔推薦給好友。