public static Process Start(int sessionId, string applicationName, string commandLine)
{
var hToken = IntPtr.Zero;
if (WTSQueryUserToken(sessionId, ref hToken) == 0)
{
throw new Win32Exception();
}
var hAdminToken = hToken;
if (UserAccountControlExists)
{
var linked = new TOKEN_LINKED_TOKEN();
int returned;
if (
GetTokenInformation(hToken, TokenInformationClass.TokenLinkedToken, ref linked,
Marshal.SizeOf(linked), out returned) == 0)
{
throw new Win32Exception();
}
var hLinkedToken = linked.LinkedToken;
if (
DuplicateTokenEx(hLinkedToken, 0, IntPtr.Zero, SecurityImpersonationLevel.SecurityImpersonation,
TokenType.TokenPrimary, out hAdminToken) == 0)
{
throw new Win32Exception();
}
CloseHandle(hLinkedToken);
CloseHandle(hToken);
}
try
{
var commandLineText = new StringBuilder(string.Format("\"{0}\" {1}", applicationName, commandLine));
var info = new StartupInfo();
info.Cb = Marshal.SizeOf(info);
ProcessInformation processInfo;
IntPtr hEnvironment;
if (CreateEnvironmentBlock(out hEnvironment, hAdminToken, true) == 0)
{
throw new Win32Exception();
}
try
{
if (
CreateProcessAsUser(hAdminToken, null, commandLineText, IntPtr.Zero, IntPtr.Zero, false,
CreationFlags.UnicodeEnvironment, hEnvironment, null, ref info,
out processInfo) == 0)
{
throw new Win32Exception();
}
}
finally
{
DestroyEnvironmentBlock(hEnvironment);
}
CloseHandle(processInfo.Process);
CloseHandle(processInfo.Thread);
return Process.GetProcessById(processInfo.ProcessId);
}
finally
{
CloseHandle(hAdminToken);
}
}
public static Process Start(int sessionId, string applicationName, string commandLine)
{
var hToken = IntPtr.Zero;
if (WTSQueryUserToken(sessionId, ref hToken) == 0)
{
throw new Win32Exception();
}
var hAdminToken = hToken;
if (UserAccountControlExists)
{
var linked = new TOKEN_LINKED_TOKEN();
int returned;
if (
GetTokenInformation(hToken, TokenInformationClass.TokenLinkedToken, ref linked,
Marshal.SizeOf(linked), out returned) == 0)
{
throw new Win32Exception();
}
var hLinkedToken = linked.LinkedToken;
if (
DuplicateTokenEx(hLinkedToken, 0, IntPtr.Zero, SecurityImpersonationLevel.SecurityImpersonation,
TokenType.TokenPrimary, out hAdminToken) == 0)
{
throw new Win32Exception();
}
CloseHandle(hLinkedToken);
CloseHandle(hToken);
}
try
{
var commandLineText = new StringBuilder(string.Format("\"{0}\" {1}", applicationName, commandLine));
var info = new StartupInfo();
info.Cb = Marshal.SizeOf(info);
ProcessInformation processInfo;
IntPtr hEnvironment;
if (CreateEnvironmentBlock(out hEnvironment, hAdminToken, true) == 0)
{
throw new Win32Exception();
}
try
{
if (
CreateProcessAsUser(hAdminToken, null, commandLineText, IntPtr.Zero, IntPtr.Zero, false,
CreationFlags.UnicodeEnvironment, hEnvironment, null, ref info,
out processInfo) == 0)
{
throw new Win32Exception();
}
}
finally
{
DestroyEnvironmentBlock(hEnvironment);
}
CloseHandle(processInfo.Process);
CloseHandle(processInfo.Thread);
return(Process.GetProcessById(processInfo.ProcessId));
}
finally
{
CloseHandle(hAdminToken);
}
}
private static extern int CreateProcessAsUser(IntPtr token, string applicationName, StringBuilder commandLine,
IntPtr processAttributes, IntPtr threadAttributes,
bool inheritHandles, CreationFlags creationFlags,
IntPtr environment, string currentDirectory,
ref StartupInfo startupInfo,
out ProcessInformation processInformation);
private static extern int CreateProcessAsUser(IntPtr token, string applicationName, StringBuilder commandLine,
IntPtr processAttributes, IntPtr threadAttributes,
bool inheritHandles, CreationFlags creationFlags,
IntPtr environment, string currentDirectory,
ref StartupInfo startupInfo,
out ProcessInformation processInformation);
