I am writing a keylogger in c++ and met with errors. How to fix them?

Question

C++ / C#

the code itself https://pastebin.com/zhNkGcs1

here are the errors

how to fix them?

Answer 1

Where the WinAPI functions have a xxxWSTR type parameter as input, it means that it expects wchar_t from you, and not a regular char.
For most WinAPI functions that work with strings, there are 2 versions of the same function, one takes char, the other takes wchar_t. Windows uses wchar internally, so it makes sense to always use wchar in your programs to avoid additional conversions.

Answer 2

Use wchar instead of char, or compile to Multibyte Encoding instead of Unicode (I don't recommend doing this, but it will work).