xmlns:asmv1="urn:schemas-microsoft-com:asm.v1" xmlns:asmv2="urn:schemas-microsoft-com:asm.v2"

xmlns:asmv1="urn:schemas-microsoft-com:asm.v1" xmlns:asmv2="urn:schemas-microsoft-com:asm.v2"

 xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
  <assemblyIdentity version="1.0.0.0" name="MyApplication.app"/>
  <trustInfo xmlns="urn:schemas-microsoft-com:asm.v2">
    <security>
      <requestedPrivileges xmlns="urn:schemas-microsoft-com:asm.v3">
        <!-- UAC Manifest Options
            If you want to change the Windows User Account Control level replace the 
            requestedExecutionLevel node with one of the following.
        <requestedExecutionLevel  level="asInvoker" uiAccess="false" />
        <requestedExecutionLevel  level="requireAdministrator" uiAccess="false" />
        <requestedExecutionLevel  level="highestAvailable" uiAccess="false" />
            If you want to utilize File and Registry Virtualization for backward 
            compatibility then delete the requestedExecutionLevel node.
        -->
        <requestedExecutionLevel level="requireAdministrator" uiAccess="false" />
      </requestedPrivileges>
    </security>
  </trustInfo>
</asmv1:assembly>

配置文件修改后，我们运行应用程序，就会首先弹出这样一个提示框,点 Yes 后，程序才可以继续运行，并且获得系统管理员的权限。

.csharpcode, 
.csharpcode pre { font-size: small; color: black; 
font-family: consolas, "Courier New", courier, monospace; background-color: #ffffff; /*white-space: pre;*/ }
 .csharpcode pre { margin: 0em; } 
 .csharpcode .rem { color:
 #008000; } .csharpcode .kwrd { color: #0000ff; } .csharpcode .str { color: #006080; } .csharpcode 
 .op { color: #0000c0; } .csharpcode .preproc { color: #cc6633; } .csharpcode .asp { background-color: #ffff00; }
  .csharpcode .html { color: #800000; } .csharpcode
 .attr { color: #ff0000; } .csharpcode .alt { background-color: #f4f4f4; width: 100%; margin: 0em; } 
  .csharpcode .lnum { color: #606060; }

        public static bool IsAdministrator()
        {
            WindowsIdentity identity = WindowsIdentity.GetCurrent();
            WindowsPrincipal principal = new WindowsPrincipal(identity);
            return principal.IsInRole(WindowsBuiltInRole.Administrator);
        }

.csharpcode, 
.csharpcode pre { font-size: small; color: black; font-family: consolas, "Courier New", courier, monospace;
 background-color: #ffffff; /*white-space: pre;*/ } .csharpcode pre { margin: 0em; } .csharpcode .rem { color:
 #008000; } .csharpcode .kwrd { color: #0000ff; } .csharpcode .str { color: #006080; } .csharpcode 
 .op { color: #0000c0; } .csharpcode .preproc { color: #cc6633; } .csharpcode .asp { background-color: #ffff00; }
  .csharpcode .html { color: #800000; } .csharpcode
 .attr { color: #ff0000; } .csharpcode .alt { background-color: #f4f4f4; width: 100%; margin: 0em; } 
  .csharpcode .lnum { color: #606060; }

static void Main(string[] Args)
        {
            /**
             * 当前用户是管理员的时候，直接启动应用程序
             * 如果不是管理员，则使用启动对象启动程序，以确保使用管理员身份运行
             */
            //获得当前登录的Windows用户标示
            System.Security.Principal.WindowsIdentity identity = System.Security.Principal.WindowsIdentity.GetCurrent();
            //创建Windows用户主题
            Application.EnableVisualStyles();

            System.Security.Principal.WindowsPrincipal principal = new System.Security.Principal.WindowsPrincipal(identity);
            //判断当前登录用户是否为管理员
            if (principal.IsInRole(System.Security.Principal.WindowsBuiltInRole.Administrator))
            {
                //如果是管理员，则直接运行

                Application.EnableVisualStyles();
                Application.Run(new Form1());
            }
            else
            {
                //创建启动对象
                System.Diagnostics.ProcessStartInfo startInfo = new System.Diagnostics.ProcessStartInfo();
                //设置运行文件
                startInfo.FileName = System.Windows.Forms.Application.ExecutablePath;
                //设置启动参数
                startInfo.Arguments = String.Join(" ", Args);
                //设置启动动作,确保以管理员身份运行
                startInfo.Verb = "runas";
                //如果不是管理员，则启动UAC
                System.Diagnostics.Process.Start(startInfo);
                //退出
                System.Windows.Forms.Application.Exit();
            }
        }