Hi @SCRIBE Patrice ,
Welcome to Microsoft Q&A!
From the document: Use IntelliSense.
The cursor is in a string literal. You can't use IntelliSense if the cursor is in the quotation marks around a string literal:
MessageBox( hWnd, "String literal|")
It shows that the IntelliSense is not supported in string literal.
If it is in a C++ project, please try to disable IntelliSense by going to Tools > Options > Text Editor > C/C++ > Advanced.
Sincerely,
Anna
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