Hi @Sylvain SANCHEZ EGEA , Welcome to Microsoft Q&A.
You only need to use the shortcut keys CTRL+W+J
correctly in the project, and then select the Interface, Enumerations, Classes, etc. you want to find.
Interfaces basically start with I
.
For the related source code of .Net Framework, you can refer to this website. Reference Source
Best Regards,
Jiale
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