hellogui.zip_cygwin gui_zip

/*-------------------------------------------------*/ /* hellogui.c - gui hello world */ /* build: gcc -mwindows hellogui.c -o hellogui.exe */ /*-------------------------------------------------*/ #include <windows.h> char glpszText[1024]; LRESULT CALLBACK WndProc(HWND, UINT, WPARAM, LPARAM); int APIENTRY WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow) { sprintf(glpszText, "Hello World\nGetCommandLine(): [%s]\n" "WinMain lpCmdLine: [%s]\n", lpCmdLine, GetCommandLine() ); WNDCLASSEX wcex; wcex.cbSize = sizeof(wcex); wcex.style = CS_HREDRAW | CS_VREDRAW; wcex.lpfnWndProc = WndProc; wcex.cbClsExtra = 0; wcex.cbWndExtra = 0; wcex.hInstance = hInstance; wcex.hIcon = LoadIcon(NULL, IDI_APPLICATION); wcex.hCursor = LoadCursor(NULL, IDC_ARROW); wcex.hbrBackground = (HBRUSH)(COLOR_WINDOW+1); wcex.lpszMenuName = NULL; wcex.lpszClassName = "HELLO"; wcex.hIconSm = NULL; if (!RegisterClassEx(&wcex)) return FALSE; HWND hWnd; hWnd = CreateWindow("HELLO", "Hello", WS_OVERLAPPEDWINDOW, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, NULL, NULL, hInstance, NULL); if (!hWnd) return FALSE; ShowWindow(hWnd, nCmdShow); UpdateWindow(hWnd); MSG msg; while (GetMessage(&msg, NULL, 0, 0)) { TranslateMessage(&msg); DispatchMessage(&msg); } return msg.wParam; } LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam) { PAINTSTRUCT ps; HDC hdc; switch (message) { case WM_PAINT: hdc = BeginPaint(hWnd, &ps); RECT rt; GetClientRect(hWnd, &rt); DrawText(hdc, glpszText, strlen(glpszText), &rt, DT_TOP | DT_LEFT); EndPaint(hWnd, &ps); break; case WM_DESTROY: PostQuitMessage(0); break; default: return DefWindowProc(hWnd, message, wParam, lParam); } return 0; }