/// <summary> /// unloads the library /// </summary> public void Dispose() { if (m_LibHandle.val != IntPtr.Zero) { DynamicLibraries.UnloadDynLib(m_LibHandle); m_LibHandle.val = IntPtr.Zero; } }
/// <summary> /// /// </summary> /// <param name="LibNames"> /// a list of library names /// </param> /// <param name="OsFilter"> /// Operating system filter /// </param> /// <param name="NameMangling"> /// /// name mangling, suggestions are: <see cref="LeadingUnderscore_SmallLetters"/>, <see cref="SmallLetters_TrailingUnderscore"/> /// or <see cref="CAPITAL_LETTERS"/> /// </param> protected DynLibLoader(string[] LibNames, PlatformID[] OsFilter, GetNameMangling[] NameMangling) { if (LibNames.Length != OsFilter.Length || OsFilter.Length != NameMangling.Length) { throw new ApplicationException("all arrays must have the same length."); } PlatformID CurrentSys = System.Environment.OSVersion.Platform; for (int i = 0; i < LibNames.Length; i++) { if (CurrentSys != OsFilter[i]) { continue; } m_LibHandle = DynamicLibraries.LoadDynLib(LibNames[i]); if (m_LibHandle.val == IntPtr.Zero) { continue; } Type myType = this.GetType(); FieldInfo[] fields = myType.GetFields(BindingFlags.Instance | BindingFlags.NonPublic | BindingFlags.Public); // loop over all delegates .... foreach (FieldInfo fld in fields) { if (IsDelegate(fld.FieldType)) { // get function name in DLL string UnmanagedName = NameMangling[i](fld.Name); // get function pointer IntPtr FuncPtr = DynamicLibraries.LoadSymbol(m_LibHandle, UnmanagedName); if (FuncPtr == IntPtr.Zero) { //throw new ApplicationException("Library '" + LibNames[i] + "' not working - missing function '" + UnmanagedName + "';"); DynamicLibraries.UnloadDynLib(m_LibHandle); } // create delegate fld.SetValue(this, Marshal.GetDelegateForFunctionPointer(FuncPtr, fld.FieldType)); } } // successfully loaded all library functions return; } // error throw new ApplicationException("unable to find/load dynamic library - none supported on actual system."); }