public static bool FreeEngine(IEngineCore pEngineCore, bool bFreeDLL)
{
if (pEngineCore != null)
pFreeEngine(pEngineCore);
if (bFreeDLL && hServer != IntPtr.Zero)
{
Imports.FreeLibrary(hServer);
hServer = IntPtr.Zero;
pGetEngine = null;
pFreeEngine = null;
}
return true;
}
public static bool GetEngine([MarshalAs(UnmanagedType.LPStr)] string pcDllFileName, out IEngineCore pEngineCore, E_GET_ENGINE_FLAGS eFlags)
{
pEngineCore = null;
if (hServer == IntPtr.Zero)
{
if (hServer == IntPtr.Zero)
{
hServer = Imports.LoadLibrary(pcDllFileName);
if (hServer == IntPtr.Zero) return false;
}
if (pGetEngine == null && pFreeEngine == null)
{
IntPtr pGetEnginePointer = Imports.GetProcAddress(hServer, "CreateEngine");
pGetEngine = Marshal.GetDelegateForFunctionPointer(pGetEnginePointer, typeof(GetEngineDelegate)) as GetEngineDelegate;
IntPtr pFreeEnginePointer = Imports.GetProcAddress(hServer, "FreeEngine");
pFreeEngine = Marshal.GetDelegateForFunctionPointer(pFreeEnginePointer, typeof(FreeEngineDelegate)) as FreeEngineDelegate;
if (pGetEngine == null || pFreeEngine == null)
{
Imports.FreeLibrary(hServer);
hServer = IntPtr.Zero;
return false;
}
}
CreateEngine(out pEngineCore, eFlags);
return (pEngineCore != null);
}
else
return false;
}
