How to read the found address value from the memory third-party process using win Api?

Found the address in process memory with cheat engine. Tell me how to read from that address using standard win API. Please tell me any working example. I have tried to use ReadProcessMemory, but he always fails with error 299. You need the right algorithms.
March 19th 20 at 08:43
2 answers
March 19th 20 at 08:45
My crystal ball suggests that the address of a string variable and you write on the sharp. Is he right?
March 19th 20 at 08:47
Since the error ERROR_PARTIAL_COPY(299)
Example here

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