Module32First function (tlhelp32.h)

Retrieves information about the first module associated with a process.


BOOL Module32First(
  [in]      HANDLE          hSnapshot,
  [in, out] LPMODULEENTRY32 lpme


[in] hSnapshot

A handle to the snapshot returned from a previous call to the CreateToolhelp32Snapshot function.

[in, out] lpme

A pointer to a MODULEENTRY32 structure.

Return value

Returns TRUE if the first entry of the module list has been copied to the buffer or FALSE otherwise. The ERROR_NO_MORE_FILES error value is returned by the GetLastError function if no modules exist or the snapshot does not contain module information.


The calling application must set the dwSize member of MODULEENTRY32 to the size, in bytes, of the structure.

To retrieve information about other modules associated with the specified process, use the Module32Next function.


For an example, see Traversing the Module List.


Requirement Value
Minimum supported client Windows XP [desktop apps only]
Minimum supported server Windows Server 2003 [desktop apps only]
Target Platform Windows
Header tlhelp32.h
Library Kernel32.lib
DLL Kernel32.dll

See also



Module Walking


Tool Help Functions