protected virtual void Dispose(bool disposing)
{
if (!_disposed)
{
if (disposing)
{
// free managed resources
}
if (_loadedModuleHandle != IntPtr.Zero)
{
if (_loadedFromMemory)
{
this.MemoryFreeLibrary(_loadedModuleHandle);
}
else
{
WinBase.FreeLibrary(_loadedModuleHandle);
}
_loadedModuleHandle = IntPtr.Zero;
}
_disposed = true;
}
}
/// <summary>
/// Deattach from the process and do a cleanup.
/// </summary>
/// <param name="hModule">Pointer to a memory module.</param>
private void MemoryFreeLibrary(IntPtr hModule)
{
if (hModule == IntPtr.Zero)
{
return;
}
MEMORY_MODULE *memory_module = (MEMORY_MODULE *)hModule;
if (memory_module != null)
{
if (memory_module->initialized != 0)
{
this.CallDllEntryPoint(memory_module, WinNT.DLL_PROCESS_DETACH);
}
if (memory_module->modules != null)
{
// free previously opened libraries
for (int index = 0; index < memory_module->numModules; index++)
{
if (memory_module->modules[index] != IntPtr.Zero)
{
WinBase.FreeLibrary(memory_module->modules[index]);
}
}
Marshal.FreeHGlobal((IntPtr)memory_module->modules);
}
if ((IntPtr)memory_module->codeBase != IntPtr.Zero)
{
// release memory of library
WinBase.VirtualFree((IntPtr)memory_module->codeBase, 0, WinNT.MEM_RELEASE);
}
Marshal.FreeHGlobal((IntPtr)memory_module);
}
}
