Question: SYSTEM LEVEL PROGRAMMING SYSTEM LEVEL PROGRAMMING 4. Read the following code, and answering the questions. LRESULT CALLBACK WndProc (HWND hwnd, UINT message, WPARAM WParam, LPARAM

SYSTEM LEVEL PROGRAMMING SYSTEM LEVEL PROGRAMMING SYSTEM LEVEL PROGRAMMING 4. Read the following code, and

SYSTEM LEVEL PROGRAMMING 4. Read the following code, and answering the questions. LRESULT CALLBACK WndProc (HWND hwnd, UINT message, WPARAM WParam, LPARAM Param { --- case WM_LBUTTONDOWN: xPos = GET_X_LPARAM(IParam); Pos = GET_Y_LPARAM(Param): GetLocalTime(&systime): sprintf(time, "%4d-%20-%2d %2d:%2d", systime.wYear, systime.WMonth, systime.wDay systime.wHour, systime.wMinute, systime.wSecond): hdc = GetDC (hwnd): TextOut (hdc, xPos, ypos, time, strlen (time)); ReleaseDC (hwnd, hdc); return 0; } Question 1: What is the function of the code? Question 2: Please add notes to each line of the code

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