This function gets a module file name.

WINAPI DWORD GetModuleFileName( 
HMODULE hModule,
LPWSTR lpFilename, 
DWORD nSize);


  • hModule
    [in] Handle to the module whose executable filename is being requested. If this parameter is NULL, GetModuleFileName returns the path for the file used to create the calling process.
  • lpFilename
    [out] Pointer to a buffer that is filled in with the path and file name of the given module.
  • nSize
    [in] Specifies the length, in characters, of the lpFilename buffer. If the length of the path and file name exceeds this limit, the string is truncated.

Return Values

The length, in characters, of the string copied to the buffer indicates success. Zero indicates failure. To get extended error information, call GetLastError.


In Windows CE, a DLL is loaded from only one location by the system.


Runs On Versions Defined in Include Link to
Windows CE OS 2.0 and later Winbase.h   Coredll.lib, Nk.lib

Note   This API is part of the complete Windows CE OS package as provided by Microsoft. The functionality of a particular platform is determined by the original equipment manufacturer (OEM) and some devices may not support this API.

See Also


 Last updated on Tuesday, July 13, 2004

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