public static void ClearSystemEventLog()
{
int iHandle = ApiNativeMethods.OpenEventLogA(null, "System");
ApiNativeMethods.ClearEventLogA(iHandle, null);
ApiNativeMethods.CloseEventLog(iHandle);
}
public static void ClearApplicationEventLog()
{
int iHandle = ApiNativeMethods.OpenEventLogA(null, "Application");
ApiNativeMethods.ClearEventLogA(iHandle, null);
ApiNativeMethods.CloseEventLog(iHandle);
}
public static string GetLongPathName(string path)
{
string szResult;
StringBuilder longPath = new StringBuilder(256);
ApiNativeMethods.GetLongPathName(path, longPath, 260);
szResult = longPath.ToString();
return(szResult);
}
/// <summary>
/// Get a root drive type
/// </summary>
public static DriveType GetDriveType(string rootPathName)
{
if (rootPathName == null)
{
return(DriveType.Unknown);
}
DriveType eType = (DriveType)ApiNativeMethods.GetDriveType(rootPathName);
return(eType);
}
public static string GetDriveInformations(string rootPathName, out uint serialNumber, out uint systemFlags, out string fileSystem)
{
StringBuilder volname = new StringBuilder(260); // receives volume name of drive
uint uiMaxcomplen = new uint(); //receives maximum component length
StringBuilder sysname = new StringBuilder(260); //receives the file system name
uint retval = new uint(); //return value
retval = ApiNativeMethods.GetVolumeInformation(rootPathName, volname, 260, out serialNumber, out uiMaxcomplen, out systemFlags, sysname, 260);
if (retval != 0)
{
fileSystem = sysname.ToString();
return(volname.ToString());
}
else
{
fileSystem = "";
return("");
}
}
public static bool GetDiskFreeSpace(string rootPathName, out DiskSpace diskSpaceOut)
{
bool bResult;
uint SectorsPerCluster;
uint BytesPerSector;
uint NumberOfFreeClusters;
uint TotalNumberOfClusters;
diskSpaceOut = new DiskSpace();
bResult = ApiNativeMethods.GetDiskFreeSpace(rootPathName,
out SectorsPerCluster, out BytesPerSector,
out NumberOfFreeClusters, out TotalNumberOfClusters);
diskSpaceOut.SectorsPerCluster = SectorsPerCluster;
diskSpaceOut.BytesPerSector = BytesPerSector;
diskSpaceOut.NumberOfFreeClusters = NumberOfFreeClusters;
diskSpaceOut.TotalNumberOfClusters = TotalNumberOfClusters;
diskSpaceOut.FreeBytes = (long)(NumberOfFreeClusters) * (long)(SectorsPerCluster) * (long)(BytesPerSector);
diskSpaceOut.TotalBytes = (long)(TotalNumberOfClusters) * (long)(SectorsPerCluster) * (long)(BytesPerSector);
return(bResult);
}
public static void Shutdown(ShutdownReason reasonFlag)
{
int Result;
bool BooleanResult;
TokenPrivileges tp = new TokenPrivileges();
long LocallyUniqueIdentifier;
IntPtr hproc = (IntPtr)ApiNativeMethods.GetCurrentProcess();
int htok = 0;
BooleanResult = ApiNativeMethods.OpenProcessToken((int)hproc, TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, ref htok);
if (BooleanResult == false)
{
throw new NolmeGenericException(string.Format(CultureInfo.InvariantCulture, "OpenProcessToken Failed"));
}
tp.Count = 1;
tp.LocallyUniqueIdentifier = 0;
tp.Attributes = SE_PRIVILEGE_ENABLED;
LocallyUniqueIdentifier = 0;
BooleanResult = ApiNativeMethods.LookupPrivilegeValue(null, SE_SHUTDOWN_NAME, ref LocallyUniqueIdentifier);
if (BooleanResult == false)
{
throw new NolmeGenericException(string.Format(CultureInfo.InvariantCulture, "LookupPrivilegeValue Failed"));
}
tp.LocallyUniqueIdentifier = LocallyUniqueIdentifier;
BooleanResult = ApiNativeMethods.AdjustTokenPrivileges(htok, false, ref tp, 0, 0, 0);
if (BooleanResult == false)
{
throw new NolmeGenericException(string.Format(CultureInfo.InvariantCulture, "AdjustTokenPrivileges Failed"));
}
Result = User32ApiNativeMethods.ExitWindowsEx(ExitWindows.PowerOff | ExitWindows.Shutdown, reasonFlag);
if (Result == 0)
{
throw new NolmeGenericException(string.Format(CultureInfo.InvariantCulture, "Shutdown Failed"));
}
}
public static bool FreeLibrary(IntPtr libraryHandle)
{
bool bResult = ApiNativeMethods.FreeLibrary((int)libraryHandle);
return(bResult);
}
public static IntPtr LoadLibrary(string fileName)
{
IntPtr iResult = (IntPtr)ApiNativeMethods.LoadLibrary(fileName);
return(iResult);
}
