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This article mainly explains "how to realize the process of C++ code calling C # code". The content of the article is simple and clear, and it is easy to learn and understand. Please follow the editor's train of thought slowly and deeply. Let's study and learn how to realize the process of C++ code calling C # code.

First of all, establish a Class Library project of C# project-- CSharpUI

Add a Form interface to the project and add a C # function-InvokeUi () to construct and display the interface

Namespace CSharpUI {public class Program {public static void InvokeUi () {/ / class Form1-C# UI Form1 fm = new Form1 (); fm.ShowDialog ();}

Set up a managed DYNAMIC LINK LIBRARY project, MgdPro (see the previous article for specific steps).

The call to the above C # function is wrapped in code in the MgdPro project, and the wrapped class is exported from DLL. The prerequisite is reference CSharpUI.dll.

/ .h file # define DLLIMPEXP _ declspec (dllexport) class DLLIMPEXP MgdClass {public: static void InvokeCsharpDlg ();}; / .cpp file using namespace CSharpUI; void MgdClass::InvokeCsharpDlg () {Program::InvokeUi ();}

*, create a new Dialog Based C++ project-PureC++Pro (exe project), and statically link MgdPro.dll in the project. Call the code in the trigger function of the Invoke button to trigger the C# interface.

Void CPureCProDlg::OnBnClickedButton1 () {/ / TODO: Add your control notification handler code here / / call managed C++ to invoke c # UI MgdClass::InvokeCsharpDlg ();}

The running interface is as follows:

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