Windows-API-examples/menus/submenu.c
2016-02-10 12:21:53 +01:00

86 lines
2.0 KiB
C

#include <windows.h>
LRESULT CALLBACK WndProc(HWND, UINT, WPARAM, LPARAM);
void AddMenus(HWND);
#define IDM_FILE_NEW 1
#define IDM_FILE_IMPORT 2
#define IDM_IMPORT_MAIL 11
int WINAPI wWinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance,
PWSTR lpCmdLine, int nCmdShow) {
MSG msg;
WNDCLASSW wc = {0};
wc.lpszClassName = L"Submenu";
wc.hInstance = hInstance;
wc.hbrBackground = GetSysColorBrush(COLOR_3DFACE);
wc.lpfnWndProc = WndProc;
wc.hCursor = LoadCursor(0, IDC_ARROW);
RegisterClassW(&wc);
CreateWindowW(wc.lpszClassName, L"Submenu",
WS_OVERLAPPEDWINDOW | WS_VISIBLE,
100, 100, 350, 250, 0, 0, hInstance, 0);
while (GetMessage(&msg, NULL, 0, 0)) {
TranslateMessage(&msg);
DispatchMessage(&msg);
}
return (int) msg.wParam;
}
LRESULT CALLBACK WndProc(HWND hwnd, UINT msg,
WPARAM wParam, LPARAM lParam) {
switch(msg) {
case WM_CREATE:
AddMenus(hwnd);
break;
case WM_COMMAND:
switch(LOWORD(wParam)) {
case IDM_FILE_NEW:
MessageBoxW(NULL, L"New file selected",
L"Information", MB_OK);
break;
case IDM_IMPORT_MAIL:
MessageBoxW(NULL, L"Import mail selected",
L"Information", MB_OK);
}
break;
case WM_DESTROY:
PostQuitMessage(0);
break;
}
return DefWindowProcW(hwnd, msg, wParam, lParam);
}
void AddMenus(HWND hwnd) {
HMENU hMenubar = CreateMenu();
HMENU hMenu = CreateMenu();
HMENU hSubMenu = CreatePopupMenu();
AppendMenuW(hMenu, MF_STRING, IDM_FILE_NEW, L"&New");
AppendMenuW(hMenu, MF_STRING | MF_POPUP, (UINT_PTR) hSubMenu, L"&Import");
AppendMenuW(hSubMenu, MF_STRING, IDM_IMPORT_MAIL, L"Import &mail");
AppendMenuW(hMenubar, MF_POPUP, (UINT_PTR) hMenu, L"&File");
SetMenu(hwnd, hMenubar);
}