public static void UseLibrary(string fileName)
{
ExtIO._dllName = fileName;
if (ExtIO._handles.ContainsKey(ExtIO._dllName))
{
ExtIO._dllHandle = ExtIO._handles[ExtIO._dllName];
}
else
{
ExtIO._dllHandle = ExtIO.LoadLibrary(ExtIO._dllName);
ExtIO._handles[ExtIO._dllName] = ExtIO._dllHandle;
}
if (ExtIO._dllHandle == IntPtr.Zero)
throw new Exception("Unable to load ExtIO library");
ExtIO._initHW = (ExtIO.InitHWDelegate) null;
ExtIO._openHW = (ExtIO.OpenHWDelegate) null;
ExtIO._startHW = (ExtIO.StartHWDelegate) null;
ExtIO._stopHW = (ExtIO.StopHWDelegate) null;
ExtIO._closeHW = (ExtIO.CloseHWDelegate) null;
ExtIO._setHWLO = (ExtIO.SetHWLODelegate) null;
ExtIO._getHWLO = (ExtIO.GetHWLODelegate) null;
ExtIO._getHWSR = (ExtIO.GetHWSRDelegate) null;
ExtIO._getStatus = (ExtIO.GetStatusDelegate) null;
ExtIO._showGUI = (ExtIO.ShowGUIDelegate) null;
ExtIO._hideGUI = (ExtIO.HideGUIDelegate) null;
ExtIO._setCallback = (ExtIO.SetCallbackDelegate) null;
IntPtr procAddress1 = ExtIO.GetProcAddress(ExtIO._dllHandle, "InitHW");
if (procAddress1 != IntPtr.Zero)
ExtIO._initHW = (ExtIO.InitHWDelegate) Marshal.GetDelegateForFunctionPointer(procAddress1, typeof (ExtIO.InitHWDelegate));
IntPtr procAddress2 = ExtIO.GetProcAddress(ExtIO._dllHandle, "OpenHW");
if (procAddress2 != IntPtr.Zero)
ExtIO._openHW = (ExtIO.OpenHWDelegate) Marshal.GetDelegateForFunctionPointer(procAddress2, typeof (ExtIO.OpenHWDelegate));
IntPtr procAddress3 = ExtIO.GetProcAddress(ExtIO._dllHandle, "StartHW");
if (procAddress3 != IntPtr.Zero)
ExtIO._startHW = (ExtIO.StartHWDelegate) Marshal.GetDelegateForFunctionPointer(procAddress3, typeof (ExtIO.StartHWDelegate));
IntPtr procAddress4 = ExtIO.GetProcAddress(ExtIO._dllHandle, "StopHW");
if (procAddress4 != IntPtr.Zero)
ExtIO._stopHW = (ExtIO.StopHWDelegate) Marshal.GetDelegateForFunctionPointer(procAddress4, typeof (ExtIO.StopHWDelegate));
IntPtr procAddress5 = ExtIO.GetProcAddress(ExtIO._dllHandle, "CloseHW");
if (procAddress5 != IntPtr.Zero)
ExtIO._closeHW = (ExtIO.CloseHWDelegate) Marshal.GetDelegateForFunctionPointer(procAddress5, typeof (ExtIO.CloseHWDelegate));
IntPtr procAddress6 = ExtIO.GetProcAddress(ExtIO._dllHandle, "SetCallback");
if (procAddress6 != IntPtr.Zero)
ExtIO._setCallback = (ExtIO.SetCallbackDelegate) Marshal.GetDelegateForFunctionPointer(procAddress6, typeof (ExtIO.SetCallbackDelegate));
IntPtr procAddress7 = ExtIO.GetProcAddress(ExtIO._dllHandle, "SetHWLO");
if (procAddress7 != IntPtr.Zero)
ExtIO._setHWLO = (ExtIO.SetHWLODelegate) Marshal.GetDelegateForFunctionPointer(procAddress7, typeof (ExtIO.SetHWLODelegate));
IntPtr procAddress8 = ExtIO.GetProcAddress(ExtIO._dllHandle, "GetHWLO");
if (procAddress8 != IntPtr.Zero)
ExtIO._getHWLO = (ExtIO.GetHWLODelegate) Marshal.GetDelegateForFunctionPointer(procAddress8, typeof (ExtIO.GetHWLODelegate));
IntPtr procAddress9 = ExtIO.GetProcAddress(ExtIO._dllHandle, "GetHWSR");
if (procAddress9 != IntPtr.Zero)
ExtIO._getHWSR = (ExtIO.GetHWSRDelegate) Marshal.GetDelegateForFunctionPointer(procAddress9, typeof (ExtIO.GetHWSRDelegate));
IntPtr procAddress10 = ExtIO.GetProcAddress(ExtIO._dllHandle, "GetStatus");
if (procAddress10 != IntPtr.Zero)
ExtIO._getStatus = (ExtIO.GetStatusDelegate) Marshal.GetDelegateForFunctionPointer(procAddress10, typeof (ExtIO.GetStatusDelegate));
IntPtr procAddress11 = ExtIO.GetProcAddress(ExtIO._dllHandle, "ShowGUI");
if (procAddress11 != IntPtr.Zero)
ExtIO._showGUI = (ExtIO.ShowGUIDelegate) Marshal.GetDelegateForFunctionPointer(procAddress11, typeof (ExtIO.ShowGUIDelegate));
IntPtr procAddress12 = ExtIO.GetProcAddress(ExtIO._dllHandle, "HideGUI");
if (procAddress12 != IntPtr.Zero)
ExtIO._hideGUI = (ExtIO.HideGUIDelegate) Marshal.GetDelegateForFunctionPointer(procAddress12, typeof (ExtIO.HideGUIDelegate));
if (ExtIO._initHW == null || ExtIO._openHW == null || (ExtIO._startHW == null || ExtIO._setHWLO == null) || (ExtIO._getStatus == null || ExtIO._setCallback == null || (ExtIO._stopHW == null || ExtIO._closeHW == null)))
{
ExtIO.FreeLibrary(ExtIO._dllHandle);
ExtIO._handles[ExtIO._dllName] = IntPtr.Zero;
ExtIO._dllHandle = IntPtr.Zero;
throw new ApplicationException("ExtIO DLL is not valid");
}
if (!ExtIO._names.ContainsKey(ExtIO._dllName) || !ExtIO._models.ContainsKey(ExtIO._dllName) || !ExtIO._hwTypes.ContainsKey(ExtIO._dllName))
return;
ExtIO._name = ExtIO._names[ExtIO._dllName];
ExtIO._model = ExtIO._models[ExtIO._dllName];
ExtIO._hwType = ExtIO._hwTypes[ExtIO._dllName];
}
public static void PerformExtIOInitHW()
{
if (ExtIO._dllHandle == IntPtr.Zero)
throw new ApplicationException("ExtIO not loaded");
StringBuilder name = new StringBuilder(256);
StringBuilder model = new StringBuilder(256);
int type;
int num = ExtIO._initHW(name, model, out type);
ExtIO._name = name.ToString();
ExtIO._model = model.ToString();
if (num < 1)
{
ExtIO._stopHW();
ExtIO._closeHW();
ExtIO.FreeLibrary(ExtIO._dllHandle);
ExtIO._dllHandle = IntPtr.Zero;
ExtIO._handles[ExtIO._dllName] = IntPtr.Zero;
throw new ApplicationException("InitHW() returned " + (object) num);
}
ExtIO._hwType = (ExtIO.HWTypes) type;
ExtIO._names[ExtIO._dllName] = ExtIO._name;
ExtIO._models[ExtIO._dllName] = ExtIO._model;
ExtIO._hwTypes[ExtIO._dllName] = ExtIO._hwType;
ExtIO._setCallback(ExtIO._callbackInst);
}