//This function builds a tree of nodes given a rootNode and level //A node is represented by an UI element //The function builds the tree with DFS iteration HRESULT listTree(int level, IUIAutomationElement* rootNode, IUIAutomationTreeWalker* walker) { HRESULT hr; IUIAutomationElement* element = nullptr; auto base = std::wstring(level, L'-'); //Get the first element hr = walker->GetFirstChildElement(rootNode, &element); if (FAILED(hr) || element == nullptr) { return hr; } while (element != nullptr) { //Is this a control element? BOOL isControl; hr = element->get_CurrentIsControlElement(&isControl); if (FAILED(hr)) { logToFile(base + L"Failed element is control type"); logToFile(base + L"Error code: " + std::to_wstring(hr)); } else if (isControl) { //Yes it is -> print it's details BSTR controlName; BSTR controlType; CONTROLTYPEID controlTypeId; hr = element->get_CurrentName(&controlName); hr += element->get_CurrentLocalizedControlType(&controlType); hr += element->get_CurrentControlType(&controlTypeId); if (FAILED(hr)) { logToFile(base + L"Failed element control type"); } if (controlName != nullptr) { logToFile(base + L" NAME: " + static_cast<std::wstring>(controlName)); } if (controlType != nullptr) { logToFile(base + L" TYPE: " + static_cast<std::wstring>(controlType)); } if (controlTypeId != NULL) { logToFile(base + L" ID: " + std::to_wstring(controlTypeId)); } } //Continue with children of the current element listTree(level * 2, element, walker); //After that, the next element to be locked at, is it's sibling IUIAutomationElement* next = nullptr; hr = walker->GetNextSiblingElement(element, &next); if (FAILED(hr)) { logToFile(base + L"Failed next element"); logToFile(base + L"Error code: " + std::to_wstring(hr)); } //Free the memory used for the current element SAFE_RELEASE(element); //Update the pointer to continue iteration element = next; } return S_OK; }