General Plug-in programming question

[skate15e]

Gents,

I am trying to write a plug-in to output data to the IMON VFD. The API they provide includes a c++ header file. I am trying to write the plug-in in c#. Can I use the header file in c# and if so, what is the syntax. Or can I write a plug-in in c++? How do I implement the IMenuTask then?

[sub]

if you google for "dllimport" you should find examples of how to call functions in DLLs.

[skate15e]

thanks, that was fast. seems to be working

[skate15e]

I am writing a plug-in to display GBPVR info on the iMON VFD (for now, if I can get it working I would like to add functionality for other LCDs). I have a few questions however...How can I get info on the currently playing video/recording/cd and is there an event I can look for to know when GBPVR is playing on of these files. Also, is there an event to look for when there is active recording occuring? I am new to C# and feeling my way through the code as well as learning the GBPVR interface. Thanks for the help.

[sub]

If you do a forum search for IEventNotification you should find some info. Plugins that implement this interface will be notified of events like current music track, current video file, current channel etc. No events about recordings though.

[Remco]

I wrote a imon Vfd plugin myself in c#, using DLL-import. I didn't post the plugin, but you can have the source-code if you want to.

[sub]

I'd be interested in seeing the DLL imports you used. I've now got an imon vfd in my machine, but didnt find time to get it working yet.

[Remco]

Try this:

using System.Runtime.InteropServices;

.....

[DllImport("SG_VFD.dll", EntryPoint="iMONVFD_Init")]
private static extern bool VfdOpen(int vfdType, int resevered);

[DllImport("SG_VFD.dll", EntryPoint="iMONVFD_Uninit")]
private static extern void VfdClose();

[DllImport("SG_VFD.dll", EntryPoint="iMONVFD_IsInited")]
private static extern bool VfdIsOpen();

[DllImport("SG_VFD.dll", EntryPoint="iMONVFD_SetText")]
private static extern bool VfdSetText(string firstLine, string secondLine);

[sub]

Thanks, but I found some time last week and got it going.