private void ThreadMainEnumDB()
{
if (m_bVolume) // Enumerate volumes.
{
Guid guid = new Guid("ffffffffffffffffffffffffffffffff");
int cch = 32;
string str = new String('\0', cch);
while (Rapi.CeEnumDBVolumes(ref guid, str, cch) ==
Rapi.RAPI_TRUE && m_bContinue)
{
strBuffer = str;
itReason = INVOKE_ENUMDB.ENUMDB_NEWVOLUME;
m_ctlInvokeTarget.Invoke(m_deleCallback);
}
}
else // Enumerate databases.
{
short cRecords = 0;
IntPtr pfdbAll = IntPtr.Zero;
Rapi.CeFindAllDatabases(0,
Rapi.FAD.FAD_NAME | Rapi.FAD.FAD_NUM_RECORDS,
ref cRecords,
ref pfdbAll);
IntPtr pfdb = pfdbAll;
while (cRecords > 0)
{
// Set pointer to next record.
Rapi.CEDB_FIND_DATA dbfd =
(Rapi.CEDB_FIND_DATA)
Marshal.PtrToStructure(
pfdb, typeof(Rapi.CEDB_FIND_DATA));
// Post name to listbox.
strBuffer = dbfd.DbInfo.szDbaseName + " (" +
dbfd.DbInfo.wNumRecords + " records)";
itReason = INVOKE_ENUMDB.ENUMDB_NEWDATABASE;
m_ctlInvokeTarget.Invoke(m_deleCallback);
// Get ready for next loop.
pfdb = (IntPtr)((int)pfdb + Marshal.SizeOf(dbfd));
cRecords--;
} // while
// Free memory returned by CeFindAllDatabases.
Rapi.CeRapiFreeBuffer(pfdbAll);
} // if
// Notify main thread that we are done.
itReason = INVOKE_ENUMDB.ENUMDB_COMPLETE;
m_ctlInvokeTarget.Invoke(m_deleCallback);
// Mark thread as done.
m_thrd = null;
}
/// <summary>
/// AddProgramsInDirectory - Recursive function to search
/// into directory tree.
/// </summary>
/// <param name="strDir">Starting directory</param>
/// <returns></returns>
private bool AddProgramsInDirectory(string strDir)
{
Trace.WriteLine("FindPrograms: " +
"AddProgramsInDirectory (" + strDir + ")");
// Update status bar through delegate function.
strBuffer = "Searching in " + strDir + "...";
itReason = INVOKE_FINDFILES.STATUS_MESSAGE;
m_ctlInvokeTarget.Invoke(m_deleCallback);
// As we add programs, store directory names.
ArrayList alDirectories = new ArrayList();
// Start our search.
string strSearch = strDir + "*.*";
IntPtr pfdAllFiles = IntPtr.Zero; // Return pointer.
int cFound = 0; // Return count of files.
// Call looking for all files in current directory.
Rapi.CeFindAllFiles(strSearch,
Rapi.FAF.FAF_ATTRIBUTES |
Rapi.FAF.FAF_NAME,
ref cFound,
ref pfdAllFiles);
// Loop through all files found.
IntPtr pfd = pfdAllFiles;
while (cFound > 0)
{
//
// Here is the secret sauce. This function uses a
// Win32 pointer to create a .NET object
//
Rapi.CE_FIND_DATA fd = // Output .NET object
(Rapi.CE_FIND_DATA) // Always cast this
Marshal.PtrToStructure( // The function
pfd, // Input Win32 ptr
typeof(Rapi.CE_FIND_DATA)); // Output type
string strFileName = fd.cFileName;
int iFlag = (int)
Rapi.FILE_ATTRIBUTE.FILE_ATTRIBUTE_DIRECTORY;
if ((fd.dwFileAttributes & iFlag) == iFlag)
{
alDirectories.Add(strDir + fd.cFileName);
}
else
{
if (strFileName.EndsWith(".EXE") ||
strFileName.EndsWith(".exe"))
{
m_cFiles++;
strBuffer = strDir + fd.cFileName;
itReason = INVOKE_FINDFILES.FINDFILE_NEWFILE;
m_ctlInvokeTarget.Invoke(m_deleCallback);
}
}
// Get ready for next loop.
pfd = (IntPtr)((int)pfd + Marshal.SizeOf(fd));
cFound--;
}
// Free memory returned by CeFindAllFiles.
Rapi.CeRapiFreeBuffer(pfdAllFiles);
if (bThreadContinue && m_bIncludeSubDirs)
{
foreach (string str in alDirectories)
{
AddProgramsInDirectory(str + "\\");
}
}
return(true);
}
