//
// This function tries to find version informaiton for a specific codepage.
// Returns true when version information is found.
//
private bool GetVersionInfoForCodePage(IntPtr memIntPtr, string codepage)
{
string template = "\\\\StringFileInfo\\\\{0}\\\\{1}";
companyName = GetFileVersionString(memIntPtr, string.Format(CultureInfo.InvariantCulture, template, codepage, "CompanyName"));
fileDescription = GetFileVersionString(memIntPtr, string.Format(CultureInfo.InvariantCulture, template, codepage, "FileDescription"));
fileVersion = GetFileVersionString(memIntPtr, string.Format(CultureInfo.InvariantCulture, template, codepage, "FileVersion"));
internalName = GetFileVersionString(memIntPtr, string.Format(CultureInfo.InvariantCulture, template, codepage, "InternalName"));
legalCopyright = GetFileVersionString(memIntPtr, string.Format(CultureInfo.InvariantCulture, template, codepage, "LegalCopyright"));
originalFilename = GetFileVersionString(memIntPtr, string.Format(CultureInfo.InvariantCulture, template, codepage, "OriginalFilename"));
productName = GetFileVersionString(memIntPtr, string.Format(CultureInfo.InvariantCulture, template, codepage, "ProductName"));
productVersion = GetFileVersionString(memIntPtr, string.Format(CultureInfo.InvariantCulture, template, codepage, "ProductVersion"));
comments = GetFileVersionString(memIntPtr, string.Format(CultureInfo.InvariantCulture, template, codepage, "Comments"));
legalTrademarks = GetFileVersionString(memIntPtr, string.Format(CultureInfo.InvariantCulture, template, codepage, "LegalTrademarks"));
privateBuild = GetFileVersionString(memIntPtr, string.Format(CultureInfo.InvariantCulture, template, codepage, "PrivateBuild"));
specialBuild = GetFileVersionString(memIntPtr, string.Format(CultureInfo.InvariantCulture, template, codepage, "SpecialBuild"));
language = GetFileVersionLanguage(memIntPtr);
NativeMethods.VS_FIXEDFILEINFO ffi = GetFixedFileInfo(memIntPtr);
fileMajor = HIWORD(ffi.dwFileVersionMS);
fileMinor = LOWORD(ffi.dwFileVersionMS);
fileBuild = HIWORD(ffi.dwFileVersionLS);
filePrivate = LOWORD(ffi.dwFileVersionLS);
productMajor = HIWORD(ffi.dwProductVersionMS);
productMinor = LOWORD(ffi.dwProductVersionMS);
productBuild = HIWORD(ffi.dwProductVersionLS);
productPrivate = LOWORD(ffi.dwProductVersionLS);
fileFlags = ffi.dwFileFlags;
// fileVersion is chosen based on best guess. Other fields can be used if appropriate.
return(fileVersion != string.Empty);
}
private static NativeMethods.VS_FIXEDFILEINFO GetFixedFileInfo(IntPtr memPtr)
{
IntPtr memRef = IntPtr.Zero;
int memLen;
if (UnsafeNativeMethods.VerQueryValue(new HandleRef(null, memPtr), "\\", ref memRef, out memLen))
{
NativeMethods.VS_FIXEDFILEINFO fixedFileInfo = new NativeMethods.VS_FIXEDFILEINFO();
Marshal.PtrToStructure(memRef, fixedFileInfo);
return(fixedFileInfo);
}
return(new NativeMethods.VS_FIXEDFILEINFO());
}
/// <include file='doc\FileVersionInfo.uex' path='docs/doc[@for="FileVersionInfo.GetVersionInfo"]/*' />
/// <devdoc>
/// <para>Returns a System.Windows.Forms.FileVersionInfo representing the version information associated with the specified file.</para>
/// </devdoc>
public static FileVersionInfo GetVersionInfo(string fileName)
{
string fullPath;
FileIOPermission fiop = new FileIOPermission(PermissionState.None);
fiop.AllFiles = FileIOPermissionAccess.PathDiscovery;
fiop.Assert();
try {
fullPath = Path.GetFullPath(fileName);
}
finally {
CodeAccessPermission.RevertAssert();
}
new FileIOPermission(FileIOPermissionAccess.Read, fullPath).Demand();
if (!File.Exists(fullPath))
{
throw new FileNotFoundException(fileName);
}
string companyName = "";
string fileDescription = "";
string fileVersion = "";
string internalName = "";
string legalCopyright = "";
string originalFilename = "";
string productName = "";
string productVersion = "";
string comments = "";
string legalTrademarks = "";
string privateBuild = "";
string specialBuild = "";
string language = "";
int fileMajor = 0;
int fileMinor = 0;
int fileBuild = 0;
int filePrivate = 0;
int productMajor = 0;
int productMinor = 0;
int productBuild = 0;
int productPrivate = 0;
int fileFlags = 0;
int [] handle = new int[] { 0 };
int infoSize;
infoSize = UnsafeNativeMethods.GetFileVersionInfoSize(fileName, handle);
if (infoSize != 0)
{
IntPtr memHandle = UnsafeNativeMethods.GlobalAlloc(NativeMethods.GMEM_MOVEABLE | NativeMethods.GMEM_ZEROINIT, infoSize);
try {
IntPtr memPtr = UnsafeNativeMethods.GlobalLock(new HandleRef(null, memHandle));
try {
if (UnsafeNativeMethods.GetFileVersionInfo(fileName, handle[0], infoSize, new HandleRef(null, memPtr)))
{
string codepage = ConvertTo8DigitHex(GetVarEntry(memPtr));
string template = "\\\\StringFileInfo\\\\{0}\\\\{1}";
companyName = GetFileVersionString(memPtr, string.Format(template, codepage, "CompanyName"));
fileDescription = GetFileVersionString(memPtr, string.Format(template, codepage, "FileDescription"));
fileVersion = GetFileVersionString(memPtr, string.Format(template, codepage, "FileVersion"));
internalName = GetFileVersionString(memPtr, string.Format(template, codepage, "InternalName"));
legalCopyright = GetFileVersionString(memPtr, string.Format(template, codepage, "LegalCopyright"));
originalFilename = GetFileVersionString(memPtr, string.Format(template, codepage, "OriginalFilename"));
productName = GetFileVersionString(memPtr, string.Format(template, codepage, "ProductName"));
productVersion = GetFileVersionString(memPtr, string.Format(template, codepage, "ProductVersion"));
comments = GetFileVersionString(memPtr, string.Format(template, codepage, "Comments"));
legalTrademarks = GetFileVersionString(memPtr, string.Format(template, codepage, "LegalTrademarks"));
privateBuild = GetFileVersionString(memPtr, string.Format(template, codepage, "PrivateBuild"));
specialBuild = GetFileVersionString(memPtr, string.Format(template, codepage, "SpecialBuild"));
language = GetFileVersionLanguage(memPtr);
NativeMethods.VS_FIXEDFILEINFO ffi = GetFixedFileInfo(memPtr);
fileMajor = HIWORD(ffi.dwFileVersionMS);
fileMinor = LOWORD(ffi.dwFileVersionMS);
fileBuild = HIWORD(ffi.dwFileVersionLS);
filePrivate = LOWORD(ffi.dwFileVersionLS);
productMajor = HIWORD(ffi.dwProductVersionMS);
productMinor = LOWORD(ffi.dwProductVersionMS);
productBuild = HIWORD(ffi.dwProductVersionLS);
productPrivate = LOWORD(ffi.dwProductVersionLS);
fileFlags = ffi.dwFileFlags;
}
}
finally {
UnsafeNativeMethods.GlobalUnlock(new HandleRef(null, memHandle));
}
}
finally {
UnsafeNativeMethods.GlobalFree(new HandleRef(null, memHandle));
memHandle = IntPtr.Zero;
}
}
return(new FileVersionInfo(fileName,
companyName,
fileDescription,
fileVersion,
internalName,
legalCopyright,
originalFilename,
productName,
productVersion,
comments,
legalTrademarks,
privateBuild,
specialBuild,
language,
fileMajor,
fileMinor,
fileBuild,
filePrivate,
productMajor,
productMinor,
productBuild,
productPrivate,
fileFlags));
}
