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#include <windows.h> |
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LRESULT CALLBACK WndProc(HWND, UINT, WPARAM, LPARAM); |
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#define IDM_FILE_NEW 1 |
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#define IDM_FILE_OPEN 2 |
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#define IDM_FILE_QUIT 3 |
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int WINAPI wWinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, |
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PWSTR lpCmdLine, int nCmdShow) { |
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MSG msg;
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WNDCLASSW wc = {0}; |
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wc.lpszClassName = L"Popup menu"; |
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wc.hInstance = hInstance; |
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wc.hbrBackground = GetSysColorBrush(COLOR_3DFACE); |
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wc.lpfnWndProc = WndProc; |
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wc.hCursor = LoadCursor(0, IDC_ARROW); |
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RegisterClassW(&wc); |
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CreateWindowW(wc.lpszClassName, L"Popup menu", |
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WS_OVERLAPPEDWINDOW | WS_VISIBLE, |
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100, 100, 350, 250, 0, 0, hInstance, 0); |
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while (GetMessage(&msg, NULL, 0, 0)) { |
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TranslateMessage(&msg); |
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DispatchMessage(&msg); |
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} |
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return (int) msg.wParam; |
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} |
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LRESULT CALLBACK WndProc(HWND hwnd, UINT msg, |
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WPARAM wParam, LPARAM lParam) { |
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HMENU hMenu; |
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POINT point; |
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switch(msg) { |
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case WM_COMMAND: |
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switch(LOWORD(wParam)) { |
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case IDM_FILE_NEW: |
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case IDM_FILE_OPEN: |
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MessageBeep(MB_ICONINFORMATION); |
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break; |
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case IDM_FILE_QUIT: |
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SendMessage(hwnd, WM_CLOSE, 0, 0); |
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break; |
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} |
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break; |
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case WM_RBUTTONUP: |
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point.x = LOWORD(lParam); |
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point.y = HIWORD(lParam); |
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hMenu = CreatePopupMenu(); |
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ClientToScreen(hwnd, &point); |
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AppendMenuW(hMenu, MF_STRING, IDM_FILE_NEW, L"&New"); |
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AppendMenuW(hMenu, MF_STRING, IDM_FILE_OPEN, L"&Open"); |
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AppendMenuW(hMenu, MF_SEPARATOR, 0, NULL); |
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AppendMenuW(hMenu, MF_STRING, IDM_FILE_QUIT, L"&Quit"); |
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TrackPopupMenu(hMenu, TPM_RIGHTBUTTON, point.x, point.y, 0, hwnd, NULL); |
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DestroyMenu(hMenu); |
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break; |
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case WM_DESTROY: |
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PostQuitMessage(0); |
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break; |
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} |
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return DefWindowProcW(hwnd, msg, wParam, lParam); |
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} |
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