Windows C++ / Debug Registers, Hardware Breakpoints

Code

#include <windows.h>
#include <stdio.h>

int main() {

    HANDLE thread = GetCurrentThread();
    CONTEXT threadContext;
    int errorCode;

    memset(&threadContext, 0, sizeof(CONTEXT));
    threadContext.ContextFlags = CONTEXT_ALL;

    if( !GetThreadContext(thread, &threadContext) ){
        errorCode = GetLastError();
        puts("Could not get thread context");
        return errorCode;
    }

    if( threadContext.Dr0 || threadContext.Dr1 || threadContext.Dr2 || threadContext.Dr3 ){
        puts("Detected");
    }
    else{
        puts("Undetected");
    }

    return 0;
}