Method Refresh

WinArk/DeviceManagerView.cpp:45–90

}

void CDeviceManagerView::Refresh() {
	m_Tree.LockWindowUpdate(TRUE);
	m_Tree.DeleteAllItems();

	CImageList images = DeviceManager::GetClassImageList();
	m_ComputerIcon = images.AddIcon(ImageHelper::GetSystemIcon(SIID_DESKTOPPC));
	auto old = m_Tree.SetImageList(images, TVSIL_NORMAL);
	if (old)
		old.Destroy();

	m_Devices = m_DevMgr->EnumDevices();
	std::unordered_map<GUID, HTREEITEM> devClasses;
	devClasses.reserve(32);
	m_DeviceClasses.clear();
	m_DeviceClasses.reserve(32);

	auto root = m_Tree.InsertItem(L"This PC", m_ComputerIcon, m_ComputerIcon, TVI_ROOT, TVI_LAST);

	for (auto& di : m_Devices) {
		auto& guid = di.Data.ClassGuid;
		if (guid == GUID_NULL)
			continue;
		auto it = devClasses.find(guid);
		if (it == devClasses.end()) {
			// add new device class
			auto name = DeviceManager::GetDeviceClassDescription(&guid);
			int image = DeviceManager::GetClassImageIndex(&guid);
			auto hClass = m_Tree.InsertItem(name.c_str(), image, image, root, TVI_SORT);
			m_DeviceClasses.insert({ hClass,guid });
			devClasses.insert({ guid,hClass });
		}
		auto hClass = devClasses[guid];
		int image;
		auto hIcon = m_DevMgr->GetDeviceIcon(di);
		if (hIcon)
			image = m_Tree.GetImageList().AddIcon(hIcon);
		else
			m_Tree.GetImageList().AddIcon(hIcon);
		auto hItem = m_Tree.InsertItem(di.Description.c_str(), image, image, hClass, TVI_SORT);
		m_Tree.SetItemData(hItem, (DWORD_PTR)&di);
	}

	root.Expand(TVE_EXPAND);

	m_Tree.LockWindowUpdate(FALSE);
}

void CDeviceManagerView::UpdateList() {
	auto hSelected = m_Tree.GetSelectedItem();