nf-processthreadsapi-processidtosessionid.md

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NF:processthreadsapi.ProcessIdToSessionId	ProcessIdToSessionId function (processthreadsapi.h)	Retrieves the Remote Desktop Services session associated with a specified process.	ProcessIdToSessionId ProcessIdToSessionId function [Remote Desktop Services] _win32_processidtosessionid processthreadsapi/ProcessIdToSessionId termserv.processidtosessionid	termserv\processidtosessionid.htm	processthreadsapi	99a3f047-705c-40bc-8cc2-055257a4f2b3	12/05/2018	ProcessIdToSessionId, ProcessIdToSessionId function [Remote Desktop Services], _win32_processidtosessionid, processthreadsapi/ProcessIdToSessionId, termserv.processidtosessionid	processthreadsapi.h	Windows.h	Windows	Windows Vista	Windows Server 2008										Kernel32.lib	Kernel32.dll		Windows			19H1	ProcessIdToSessionId processthreadsapi/ProcessIdToSessionId	c++	APIRef kbSyntax	DllExport	Kernel32.dll API-MS-Win-Core-ProcessThreads-l1-1-0.dll API-MS-Win-Core-ProcessThreads-l1-1-1.dll API-MS-Win-Core-ProcessThreads-l1-1-2.dll API-MS-Win-Downlevel-Kernel32-l1-1-0.dll KernelBase.dll MinKernelBase.dll API-MS-Win-Core-ProcessThreads-L1-1-3.dll	ProcessIdToSessionId

ProcessIdToSessionId function

-description

Retrieves the Remote Desktop Services session associated with a specified process.

-parameters

-param dwProcessId [in]

Specifies a process identifier. Use the GetCurrentProcessId function to retrieve the process identifier for the current process.

-param pSessionId [out]

Pointer to a variable that receives the identifier of the Remote Desktop Services session under which the specified process is running. To retrieve the identifier of the session currently attached to the console, use the WTSGetActiveConsoleSessionId function.

-returns

If the function succeeds, the return value is a nonzero value.

If the function fails, the return value is zero. To get extended error information, call GetLastError.

-remarks

Callers must hold the PROCESS_QUERY_INFORMATION access right for the specified process. For more information, see Process Security and Access Rights.

-see-also

OSVERSIONINFOEX

WTSQuerySessionInformation