Win 32 SDKウィンドウを作成するプログラムをバックアップします.プログラムをテストするときによく使います.便利です.

#include <windows.h>

LRESULT CALLBACK WndProc(HWND hWnd,UINT uMsg,WPARAM wParam,LPARAM lParam)
{
    switch(uMsg)
    {
    case WM_CREATE:
        return 0;
    case WM_DESTROY:
        PostQuitMessage(0);
        return 0;
    }
    return DefWindowProc(hWnd,uMsg,wParam,lParam);
}

int WINAPI WinMain(HINSTANCE hInstance,HINSTANCE hPrevInstance,LPSTR lpCmdLine,int nShowCmd)
{
    MSG msg;
    WNDCLASSEX wce={0};
    HWND hWnd;

    wce.cbSize = sizeof(wce);
    wce.hbrBackground = (HBRUSH)GetStockObject(WHITE_BRUSH);
    wce.hCursor = LoadCursor(NULL,IDC_ARROW);
    wce.hIcon = LoadIcon(NULL,IDI_APPLICATION);
    wce.hInstance = hInstance;
    wce.lpfnWndProc = WndProc;
    wce.lpszClassName = "MyClassName";
    wce.style = CS_HREDRAW|CS_VREDRAW;
    if(!RegisterClassEx(&wce))
        return 1;
    hWnd = CreateWindowEx(0,"MyClassName","MyWindowName",WS_OVERLAPPEDWINDOW,
        CW_USEDEFAULT,CW_USEDEFAULT,CW_USEDEFAULT,CW_USEDEFAULT,
        NULL,NULL,hInstance,NULL);
    if(hWnd == NULL)
        return 1;

    ShowWindow(hWnd,nShowCmd);
    UpdateWindow(hWnd);

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