I tried to readprocessmemory of a game called wesnoth. But when i debug it the value is set to 0 for both bytes_read and gold_value.

But When i go into cheatengine and paste the pointer for the gold value(0x017EED8) it gives me the value (252187896).

So i guess there is something wrong which makes the program not read the gold value.

I tried to restart the program several times but it gave the value 0 for both gold_value and bytes_read every time.

code:

int main(int argc, char** argv) {
    HWND wesnoth_window = FindWindow(0, L"The Battle for Wesnoth - 1.14.9");

    DWORD process_id = 0;
    GetWindowThreadProcessId(wesnoth_window, &process_id);

    HANDLE wesnoth_process = OpenProcess(PROCESS_ALL_ACCESS, true, process_id);

    DWORD gold_value = 0;
    DWORD bytes_read = 0;
    ReadProcessMemory(wesnoth_process, (void*)0x017EED8, &gold_value, 4, &bytes_read);  
    return 0;
}