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Urgent: Help with calls from C++ DLL to C# DLL using COM

I have test MFC application that loads MFC Extension DLL.

This MFC Extension DLL (C++) must call methods in C# DLL using COM, and C# DLL also calls methods in MFC Extension DLL.

This is a proof of concept project and I got it working except one part that makes it unusable. Every time (after the 1st time) that I call C# DLL a new COM object (and C# object) is created instead of getting just the interface of the existing object.

Need urgent help today and tomorrow with this.

You must have reliable Internet connection so that sharing screen over Skype or TeamViewer works fluently. You also must have good English so I won't guess what you say.

Kĩ năng: Lập trình C#, Lập trình C++, Kiến trúc phần mềm

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Về Bên Thuê:
( 0 nhận xét ) Sn Diego, United States

ID dự án: #15744229

13 freelancer đang chào giá trung bình $54/giờ cho công việc này


Dear employer. I am Gang Lee, developer in China. I've just read your job posting and I¡¯m very interested. I'm a certificated freelancer with almost 900 good reviews from clients. I'm a Good C, C++,c#,Object-C, Vi Thêm

$51 USD / giờ
(788 Nhận xét)

Hello, How are you today? I am very interesting on your project. I am good with MFC application. Message me for detail discussion. Best Regards

$55 USD / giờ
(38 Nhận xét)

Hello! My team of strong professionals has over 7 years experience with CSS\HTML, C++, PHP, SQL, WordPress. We are trusted by such companies as Willis Towers Watson, Tetra Pak, Lego, and Palmers, one of the larg Thêm

$55 USD / giờ
(2 Nhận xét)

hello. i am a c++, c# expert for 13 years. i have full experience of c#, c++ programming include com, atl , dll. i can complete this job, will give you a good result. hoping to discuss with you as soon thanks fo Thêm

$50 USD / giờ
(25 Nhận xét)

I might help you. I've done a pretty fair amount of COM-related projects in the past as well as native<->.net interop.

$55 USD / giờ
(5 Nhận xét)

Hi, I’m a Web Designer/Developer from the UK. My name is Mike. Your project description sounds interesting to me and I do have skills & experience that are required to complete this project. Let's have a quick chat whe Thêm

$55 USD / giờ
(2 Nhận xét)

Hello, I have gone over your project requirements and exuberant to work on it. I have extensive experience for this kind of projects & I will customize and do the best in class IT solutions. Expertise include .Net Thêm

$55 USD / giờ
(3 Nhận xét)

Hello We have gone through the Project Description & Find Perfect Match to develop the [login to view URL] are a Team of Web and Mobile Experts having Strong 10 Years of an Experience. Relevant Skills and Experience - Fr Thêm

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(4 Nhận xét)

I can do any type of user interface designing for modern applications and create application projects for the business. - Expertise of C/C++, C#, Windows Runtime, Interfaces and Systems-wide. - Advanced knowledge of Thêm

$55 USD / giờ
(0 Nhận xét)

Hi, I'm a C++ and C# developer on visual studio 2017, with a lot of experiences in COM interface, and looking forward to discuss with you about the project. Regards, Andy

$55 USD / giờ
(1 Nhận xét)

ok, i know how to access code from dll with COM interfaces by COM interfaces. i know how to create a new instance , then query COM interfaces, and make calls with methods that exposed to host applications by COM ob Thêm

$50 USD / giờ
(0 Nhận xét)

Strong C++, .NET and C# background. Very experienced with COM and COM/.NET inter-operability. Out of the box thinker.

$55 USD / giờ
(0 Nhận xét)

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$55 USD / giờ
(0 Nhận xét)