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Java can call a Windows DLL. The pcomm.dll is an IBM terminal DLL, or it was in my world. Are you trying to access an IBM server?
link: How to call third-party DLL libraries？LIKE third-party comm lib "Pcomm.dll",third-party scanner lib "scannel.dll" .........thanks!
link: Long explanation short If you are using one of the latest Java's (22+) you can use jextract on the dll, which will produce a java file for the maappin

I got the answers from forum with method 1) jDotNetBridge: compile into jar library using SLC; method 2) inline java: same effect but using inline java, which is more convenient if you update functions in the dll frequently. Thanks! Now calling a c dll is so easy!
link: I have a self-made Windows dll B4Nat.dll with a function int FuncA(int i) exported, how to use JNA to call this function? searched the forum and found

Hi, --> "calling directly Photoviewer" does not work --> "doubling the double quotes" does not work --> "Photoviewer.dll doesn't accept paths containing spaces", I think you are right :-( Googling "Photoviewer.dll in command line" shows me long name is a trouble. Sorry for the question but thank
link: The problem may come from Photoviewer.dll more than from Shell. When I try this: Dim sh As Shell Dim n As String = File.Combine("C:\Program Files", "

You can call DLL's written in C++ from your VB code. C++ DLL in VB.NET

I know JNA can do this by calling functions in user32.dll. Search JNA in forum there are some examples I think.

B4XSerializator is included in the internal RandomAccessFile library. The attached dll is for .Net Framework applications. B4XSerializator is a great tool that makes it simple to share data between B4A, B4i and B4J. It takes care of converting objects, including complex objects, to bytes and vice ve

Like OpenCV, there are many other pure imageio libs in C/C++ can be used, for example this one: https://github.com/AbePralle/ImageIO has a much simpler interface and I think it can be easy to make an interface for java and B4J to call dll on Windows. Are you sure as gif only supports 256 colors an

There are Windows API calls you can make to get some of that data. Not sure how you'd do it from B4J. It would require interfacing with windows system dlls.

Got it running all ok while in B4J compiled though when I produce the EXE file (using Launch4J) and try to execute it seems that it does not find the required dll file. The program does not crash or such but it just does not perform the related actions to dll calls. The dll is placed in Files folder
link: Hello, Happened to need to call some methods from C++ generated Windows DLL (I do not have access to its source, but methods prototype are available)
link: You got two mistakes in your paramters. The vers first parameter of ASTDiscoverDevice is not of type int but a reference to type (int&, notice the & b
link: ... and here is the B4J code I have used to test the above JNA library.

The .Net framework will route calls to this function, through to the dll file. <DllImport("winmm", CallingConvention:=CallingConvention.Winapi, EntryPoint:="joySetCapture", SetLastError:=True)> _ Public Shared Function JoySetCapture(ByVal hwnd As IntPtr, ByVal uJoyID As Integer, ByVa
link: Check this library: https://www.b4x.-only-windows-os-at-present.44796/

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