Что такое "писать в консоли"?

#include "windows.h"
#define ID_BUTTON1 1000
LRESULT CALLBACK WndProc(HWND, UINT, WPARAM,LPARAM);
int WINAPI WinMain(HINSTANCE hInstance,HINSTANCE hPrevInstance,LPSTR IpCmdLine,int nCmdShow )
{
    HWND hwnd;
    HWND button;
    MSG msg;
    WNDCLASS w;
    memset(&w,0,sizeof(WNDCLASS));
    w.style = CS_HREDRAW|CS_VREDRAW;
    w.lpfnWndProc = WndProc;
    w.hInstance = hInstance;
    w.hbrBackground = HBRUSH(COLOR_BTNFACE + 1);
    w.lpszClassName = "Window";
    RegisterClass(&w);
    hwnd = CreateWindow("Window","Window", WS_OVERLAPPEDWINDOW, 10,10,265,268,NULL,NULL,hInstance,NULL);
    button=CreateWindow("button","button",WS_VISIBLE|WS_CHILD,240,205,28,28,hwnd,(HMENU)ID_BUTTON1,NULL,NULL);
    ShowWindow(hwnd,nCmdShow);
    while(GetMessage(&msg,NULL,0,0))
    {
        TranslateMessage(&msg);
        DispatchMessage(&msg);
    }
    return msg.wParam;
}
 
LRESULT CALLBACK WndProc(HWND hwnd, UINT Message, WPARAM wparam,LPARAM lparam)
{
    switch (Message)
    {
    case WM_COMMAND:
    if(wparam==ID_BUTTON1)
        MessageBox(NULL, "Вы нажали на кнопку №1", "Test", MB_OK|MB_ICONEXCLAMATION);
    }
    return DefWindowProc(hwnd,Message,wparam,lparam);
}