version Topic

Version Information APIs

The version information functions enable applications to query a version resource for file information and present the information in a clear format. This information includes the file's purpose, author, version number, and so on.

Functions

GetFileVersionInfo(Pointer<Utf16> lptstrFilename, int dwHandle, int dwLen, Pointer<NativeType> lpData) int version
Retrieves version information for the specified file. [...]
GetFileVersionInfoEx(int dwFlags, Pointer<Utf16> lpwstrFilename, int dwHandle, int dwLen, Pointer<NativeType> lpData) int version
Retrieves version information for the specified file. [...]
GetFileVersionInfoSize(Pointer<Utf16> lptstrFilename, Pointer<Uint32> lpdwHandle) int version
Determines whether the operating system can retrieve version information for a specified file. If version information is available, GetFileVersionInfoSize returns the size, in bytes, of that information. [...]
GetFileVersionInfoSizeEx(int dwFlags, Pointer<Utf16> lpwstrFilename, Pointer<Uint32> lpdwHandle) int version
Determines whether the operating system can retrieve version information for a specified file. If version information is available, GetFileVersionInfoSizeEx returns the size, in bytes, of that information. [...]
VerFindFile(int uFlags, Pointer<Utf16> szFileName, Pointer<Utf16> szWinDir, Pointer<Utf16> szAppDir, Pointer<Utf16> szCurDir, Pointer<Uint32> puCurDirLen, Pointer<Utf16> szDestDir, Pointer<Uint32> puDestDirLen) int version
Determines where to install a file based on whether it locates another version of the file in the system. The values VerFindFile returns in the specified buffers are used in a subsequent call to the VerInstallFile function. [...]
VerInstallFile(int uFlags, Pointer<Utf16> szSrcFileName, Pointer<Utf16> szDestFileName, Pointer<Utf16> szSrcDir, Pointer<Utf16> szDestDir, Pointer<Utf16> szCurDir, Pointer<Utf16> szTmpFile, Pointer<Uint32> puTmpFileLen) int version
Installs the specified file based on information returned from the VerFindFile function. VerInstallFile decompresses the file, if necessary, assigns a unique filename, and checks for errors, such as outdated files. [...]
VerQueryValue(Pointer<NativeType> pBlock, Pointer<Utf16> lpSubBlock, Pointer<Pointer<NativeType>> lplpBuffer, Pointer<Uint32> puLen) int version
Retrieves specified version information from the specified version-information resource. To retrieve the appropriate resource, before you call VerQueryValue, you must first call the GetFileVersionInfoSize function, and then the GetFileVersionInfo function. [...]