mirror of
https://github.com/janbodnar/Windows-API-examples.git
synced 2024-11-14 15:55:30 +00:00
85 lines
2.1 KiB
C
85 lines
2.1 KiB
C
#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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