CppDLL | CppDLL a small tool that will help you generate Cpp Header | Cybersecurity library
kandi X-RAY | CppDLL Summary
kandi X-RAY | CppDLL Summary
CppDLL a small tool that will help you generate Cpp Header(.h) and Import Library(.lib) from Dynamic Link Library(.dll).
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QUESTION
I have very simple exe and dll just to test. Here is the code in exe process:
...ANSWER
Answered 2020-Dec-11 at 15:13This seems to be impossible. An app that hosts CLR uses CLRCreateInstance
from which it can get ICLRMetaHost
interface on which it can call GetRuntime
in order to create CLR. But the interface doesn't have members to unload CLR. Its Stop
method stops code execution in CLR but does not release, resources or unload appdomains. But to unload an assembly we must unload all appdomains which use it.
So, to be able to unload an assembly one needs to load it into a separate appdomain and then unload the appdomain. But it is impossible to unload DLL that loads CLR, CLR can be unloaded only when the process is exiting.
Richter, CLR via C#. Chapter 22 "CLR Hosting and AppDomains":
The first AppDomain created when the CLR is initialized is called the default AppDomain; this AppDomain is destroyed only when the Windows process terminates.
QUESTION
I'm using ctypes to call functions in a DLL file according to a description file that describe the DLL functions' parameters and returns. Here is one function in this DLL called InitNetwork. Below is its description:
...ANSWER
Answered 2018-May-14 at 07:42I think the problem is in your C++ interface. I think if you change it to Function:BOOL InitNetwork(char * LocalIP,char * ServerIP,int LocalDeviceID);
your first call (without the keywords) should work but I think you might need to remove the quotes around the last argument (it is an int after all).
QUESTION
I need to call a function in dll and return an array of structures. I do not know the size of the array in advance. How can this be done? The error can not marshal 'returns value' invalid managed / unmanaged
Code in C#:
...ANSWER
Answered 2018-Jun-04 at 13:33I'll give you two responses. The first one is a method quite basic. The second one is quite advanced.
Given:
C-side:
QUESTION
I have a C++ DLL. I want to make a Flask server to call the functions in this DLL. So I use ctypes
inside Flask
. Here is my code in views.py
:
ANSWER
Answered 2018-May-17 at 09:01I think you'll find that Flask is passing you strings (type str) whereas your C or C++ function is expecting bytes (hence the 'b' before two of the parameters) for the first two parameters and an int for the third. It is your responsibility to convert them.
QUESTION
I'm now wrapping some functions in C++ dll whose original .h an .cpp file are not accessable. After learning the tutorial of ctypes, I still have the some questions. Let me show you some example: This is from the description file of the dll functions, just telling functions' names, effects and parameters:
...ANSWER
Answered 2018-Apr-27 at 03:29Your problem is that you don't have the namespaces quite right. Its
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