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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.

Return Value

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.

Requirements

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

Header: MSCorEE.idl

Library: MSCorEE.dll

.NET Framework Version: 2.0

See Also

Reference

GetRequestedRuntimeInfo Function
GetRequestedRuntimeVersion Function

Other Resources

Hosting Global Static Functions