Method ShowAt

FastCopy/FileContextMenu.cpp:81–124

}

void FileContextMenu::ShowAt(winrt::Microsoft::UI::Xaml::Controls::MenuFlyout& flyout)
{
	if (flyout.Items().Size() != 0)
		return;

	winrt::com_ptr<IShellItem> item = CreateItemFromParsingName(m_path.data()), folderItem;
	item->GetParent(folderItem.put());

	winrt::com_ptr<IShellFolder> folder;
	folderItem->BindToHandler(nullptr, BHID_SFObject, IID_PPV_ARGS(folder.put()));


	LPITEMIDLIST child{ };

	SHGetIDListFromObject(item.get(), &child);
	auto last = ILFindLastID(child);

	LPCITEMIDLIST idl[2]{ last };

	auto hr = folder->GetUIObjectOf(NULL, 1, &idl[0], IID_IContextMenu, nullptr, m_menu.put_void());

	auto hMenu = CreatePopupMenu();
	m_menu->QueryContextMenu(hMenu, 0, 1, 0x7fff, CMF_NORMAL);

	auto const itemCount = GetMenuItemCount(hMenu);
	MENUITEMINFO menuItemInfo{
		.cbSize = sizeof(menuItemInfo),
		.fMask = MIIM_BITMAP | MIIM_FTYPE | MIIM_STRING | MIIM_ID | MIIM_SUBMENU
	};
	for (int i = 0; i < itemCount; ++i)
	{
		TCHAR buffer[500]{};
		menuItemInfo.dwTypeData = buffer;
		menuItemInfo.cch = std::size(buffer);
		GetMenuItemInfo(hMenu, i, true, &menuItemInfo);
		if (!std::wstring_view{buffer}.empty() && m_menu)
		{
			flyout.Items().Append(makeMenuFlyout(menuItemInfo));
			std::wstring command(100, {});
			m_menu->GetCommandString(menuItemInfo.wID - 1, GCS_VERB, nullptr, reinterpret_cast<char*>(command.data()), command.size());
			m_menuData.push_back(MenuData{ .menuId = menuItemInfo.wID - 1, .verb = std::move(command) });
		}
	}
}