WindowsAPI 終了処理

#include LRESULT CALLBACK WndProc(HWND hwnd, UINT msg, WPARAM wp, LPARAM lp) { switch (msg) { case WM_DESTROY: MessageBox(hwnd, TEXT("魔王を倒した"), TEXT("勇者の攻撃"), MB_ICONINFORMATION); PostQuitMessage(0); return 0; } return DefWindowProc(hwnd, msg, wp, lp); } int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, PSTR lpCndLine, int nCmdShow) { HWND hwnd; MSG msg; WNDCLASS winc; winc.style = CS_HREDRAW | CS_VREDRAW; winc.lpfnWndProc = WndProc; winc.cbClsExtra = winc.cbWndExtra = 0; winc.hInstance = hInstance; winc.hIcon = LoadIcon(NULL, IDI_APPLICATION); winc.hCursor = LoadCursor(NULL, IDC_ARROW); winc.hbrBackground = (HBRUSH)GetStockObject(WHITE_BRUSH); winc.lpszMenuName = NULL; winc.lpszClassName = TEXT("勇者"); if (!RegisterClass(&winc))return 0; hwnd = CreateWindow( TEXT("勇者"), TEXT("勇者の攻撃！"), WS_OVERLAPPEDWINDOW | WS_VISIBLE, 100, 100, 200, 200, NULL, NULL, hInstance, NULL ); if (hwnd == NULL)return 0; while (GetMessage(&msg, NULL, 0, 0))DispatchMessage(&msg); return msg.wParam; }