[Windows] 기본 윈도우 소스 (Win32API)

1. 코드

#include<windows.h>

LRESULT CALLBACK WndProc(HWND, UINT, WPARAM, LPARAM);
HINSTANCE g_Inst;
LPCWSTR lpszClass = TEXT("Window");

int APIENTRY WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpszClassParam, int nCmdShow)
{
    HWND hWnd;
    MSG Message;
    WNDCLASS WndClass;
    g_Inst = hInstance;

    WndClass.cbClsExtra=0;
    WndClass.cbWndExtra=0;
    WndClass.hbrBackground=(HBRUSH)GetStockObject(WHITE_BRUSH);
    WndClass.hCursor=LoadCursor(NULL, IDC_ARROW);
    WndClass.hIcon=LoadIcon(NULL, IDI_APPLICATION);
    WndClass.hInstance=hInstance;
    WndClass.lpfnWndProc=WndProc;
    WndClass.lpszClassName=lpszClass;
    WndClass.lpszMenuName=NULL;
    WndClass.style=CS_HREDRAW|CS_VREDRAW;

    RegisterClass(&WndClass);

    hWnd=CreateWindow(lpszClass, lpszClass, WS_OVERLAPPEDWINDOW
    	, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT
        , NULL, (HMENU)NULL, hInstance, NULL);
    ShowWindow(hWnd,nCmdShow);

    while(GetMessage(&Message, NULL, 0, 0))
    {
        TranslateMessage(&Message);
        DispatchMessage(&Message);
    }
    return (int)Message.wParam;
}

LRESULT CALLBACK WndProc(HWND hWnd, UINT iMessage, WPARAM wParam, LPARAM lParam)
{

    switch(iMessage)
    {
        case WM_DESTROY:
            PostQuitMessage(0);
            return 0;
    }
    return DefWindowProc(hWnd, iMessage, wParam,lParam);
}