GetVersionFromProcess Function

Gets the version number of the common language runtime (CLR) that is associated with the specified process handle.

HRESULT GetVersionFromProcess (
    [in]  HANDLE  hProcess, 
    [out] LPWSTR  pVersion, 
    [in]  DWORD   cchBuffer, 
    [out] DWORD  *dwLength
);

Parameters

hProcess
[in] A handle to a process.
pVersion
[out] A buffer that contains the version number string upon successful completion of the method.
cchBuffer
[in] The length of the version buffer.
pdwLength
[out] A pointer to the length of the version number string.

This method returns standard Component Object Model (COM) error codes, as defined in WinError.h, in addition to the following values.

Return code	Description
S_OK	The method completed successfully.
E_INVALIDARG	pVersion is null and cchBuffer is not null, or vice versa. -or- hProcess is not a valid handle to a process. -or- The CLR is not loaded.
ERROR_INSUFFICIENT_BUFFER	cchBuffer is null or less than the length of the version string.
E_NOTIMPL	This method is not available on the Microsoft Windows 95, Microsoft Windows 98, or Microsoft Windows Millennium Edition operating system.

Platforms: Windows 2000, Windows XP, Windows Server 2003 family

Header: MSCorEE.idl

Library: MSCorEE.dll

.NET Framework Version: 2.0