I want to use NotifyIcon.Icon provided by Microsoft, but the language is C++ programming language, how to use NotifyIcon.Icon with C++?

Question

I want to use NotifyIcon.Icon provided by Microsoft, but the language is C++ programming language, how to use NotifyIcon.Icon with C++?

杨谭 20

Check the Microsoft website NotifyIcon.Icon, the example code is written #using <System.dll> #using <System.Windows.Forms.dll> #using <System.Drawing.dll>, I have not seen or written this way to load the library, it seems not written in C++ programming language, How to use NotifyIcon on QT Creater and Visual Studio software? ?hope to get your reply.

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Answer 1

Minxin Yu 13,506 Microsoft External Staff

Hi,
NotifyIcon Class is .NET class.
You need to use it in C++CLR project.
Install C++CLI in Visual Studio Installer.
User's image

The screenshot you provided is the usage of NotifyIcon in C++ Winform.

Best regards,

Minxin Yu

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杨谭 20 Reputation points

2024-01-26T03:02:07.9433333+00:00

Thanks for your answer, how do I use NotifyIcon on QT Creater?
Minxin Yu 13,506 Reputation points Microsoft External Staff

2024-01-26T03:15:11.0133333+00:00

NotifyIcon is a component of .NET Winform , you can't use it in QT. Currently , QT is not supported on Q&A forum. For QT related question, you need to go to QT forum for support.
杨谭 20 Reputation points

2024-01-26T03:37:06.9133333+00:00

Thanks for your answer! I can't find the V143 option in the Visual Studio Installer, only the V142 option.

And how do I call the library to access the NotifyIcon class?
Minxin Yu 13,506 Reputation points Microsoft External Staff

2024-01-26T05:58:41.02+00:00
Create CLR .NET Framework empty project.

Add Winform item.

Then replace Myform.h's code with the sample's. ( one icon is needed)

notifyIcon1->Icon = gcnew System::Drawing::Icon("test.ico");// your icon here

And for creating NotifyIcon , there is Win32 API Shell_NotifyIconA function and GitHub sample code (https://learn.microsoft.com/en-us/windows/win32/shell/samples-notificationicon)
杨谭 20 Reputation points

2024-01-26T06:20:03.9533333+00:00

Thank you for your reply once again! However, I found an exception message after adding Winform entries, and I went to find a solution, most of which appeared in C# language。
杨谭 20 Reputation points

2024-01-26T06:26:33.0133333+00:00

Thank you for your reply once again！ However, I have problems after adding Winform items, and the search found that most of the solutions on the Internet are using C# language problems
Minxin Yu 13,506 Reputation points Microsoft External Staff

2024-01-26T06:30:36.9866667+00:00

Will the program compile after replacing the code?
杨谭 20 Reputation points

2024-01-26T06:33:58.1466667+00:00

Because such an error screen appears in the MyForm.h file, the code cannot be replaced
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Minxin Yu 13,506 Reputation points Microsoft External Staff

2024-01-26T06:36:56.39+00:00

Right Click myform.h -> View Code. (Exception from HRESULT: 0x8000000A)" , this is by design. On the initial load the background work is not done so the error properly says that things are not yet available.
杨谭 20 Reputation points

2024-01-26T06:41:21.5366667+00:00

I would also like to ask you a question, if I create a CLR.NET framework project and implement the icon operation through NotifyIcon class, how can I do this for another empty project written in C++ (not a CLR.NET framework project)? Can I load a CLR.NET framework project into this empty project?
Minxin Yu 13,506 Reputation points Microsoft External Staff

2024-01-26T06:44:37.5066667+00:00

You can't load .NET class in non-CLR project. For pure C++, please use Win32 API Shell_NotifyIconA function and GitHub sample code (https://learn.microsoft.com/en-us/windows/win32/shell/samples-notificationicon)
杨谭 20 Reputation points

2024-01-26T07:19:48.48+00:00

Thank you very much for your reply！
杨谭 20 Reputation points

2024-01-26T07:20:34.81+00:00

Thank you very much for your reply

Answer 2

David Lowndes 2,640 MVP

If you want to create a notification icon from native C++ code, have a look for examples using the Shell_NotifyIcon API such as this.

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I want to use NotifyIcon.Icon provided by Microsoft, but the language is C++ programming language, how to use NotifyIcon.Icon with C++?

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